endo perio wells Flashcards

1
Q

which of the ff pulpal cell types is a reservoir of multipotential cellscapable of responding in an effective defensive manner ff irritation?

a. polymorphonuclear leukocytes
b. odontoblast
c. lymphocytes
d. undeffiretiated mesenchymal cells
e. histiocytes

A

undifferentiated mesencymal cells

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2
Q

a common change seen in pulpal tissue during the aging process is

a. an increase in the cellular components
b. the develpment of new capillary buds in the apical portion of the pulp
c. an increase in the number and thicknessof collagen fibers
d. a decrease in pulp rresponse to thermal changes
e. loss of the dystropc mineralization

A

an increase in the number and thicknessof collagen fibers

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3
Q

which of the ff structues are integral components of normalpulp tissue?

a. osteoclast
b. odontoblast
c. myelinated nerves
d. pulp stones
e. collagen fibers

  1. a, b,c
  2. a, b, d, e
  3. b and c
  4. a, c, and e
  5. b, c, and e
A

b, c, and e

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4
Q

the most common route for microorganisms and their toxic by-products to rreach pulp tissue is

a. hematogenous anachoresis
b. dirrect extension through open cavity or carious lesion
c. through exposed dentinal tubules following cavity prearation
d. from the extension od periapical infection from adjacent , infected teeth
e. through the pulpal lymphatic system

A

direct extension through open cavity or carious lesion

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5
Q

althrough microorganisms posses speific virulence factors, the ultimate pthogenicity of a specific organism depends on

a. ground substance spreading factors
b. the ability of the organism to alter its metabolic activity
c. the host-parasite relationship
d. antigen-antibody complex formation
e. proteolytic enzymes

A

the host-parasite relationship

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6
Q

during endodontic therapy, appropriate clinical management of infection may include

a. thorough biomechanical cleansing of the root canal
b. using intracanal medicaments
c. incision and drainage if fluctuant swelling is present
d. antibiotiv administration
e. tooth extraction
1. a. c and d
2. c and d
3. a, b and d
4. d
5. all of thr above

A
  1. all of thr above
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7
Q

effective root canal sterilization relied solely in the use of intracanal medicaments in the canal between appointments because long periods of medicaments and root wall contact ensure tor bacterial desth and tissue neutralization

  1. bonth statemente and reason are correct and relsted
  2. both statement and reason are correct but not related
  3. the statement is correct but the reasin is not
  4. the statement is not correct, bit the reason is an accurate staement
  5. neither statement nor reasin is correct
A
  1. neither statement nor reasin is correct
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8
Q

in an culture procedure it is common practice to use an enriched culture meduim ant to incubatw it at 37 degrees celcius for 48-96 hours because thorough incubation under the right conditions permits organism identification, appropriate antibiotic administration and successfull root canal therapy

  1. both statement and reason are correct and related
  2. both statement and reason are correct but not related
  3. the statement is correct but the reason is not
  4. the statement is not correct but the reason is
  5. neither statement nor reason is correct
A
  1. the statement is correct but the reason is not
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9
Q

a methid used both to detect and identify the microorganism present in root canals is (are)

a. gram staining
b. blood test
c. phase microscopy
d. culture for 48-96 hours and plating of positive findings
e. antibiotic sensitivity test
1. a, b and c
2. a, d and e
3. c, d and e
4. d
5. a and d

A
  1. d
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10
Q

struct anaerobes commontly isolated ffrom root canals include

  1. veillonella
  2. A-hemolytic streptococci
  3. bacteriodes
  4. candida
  5. lactobacilli
A
  1. bacteriodes
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11
Q

a 24. yeat ols male presents with continous diffuse pain in teh maxillary left canine region. upon visual examination the tissue in the mucobuccal vestibule apprears inflamed and slightly swollen. palpation reveals a tenderness over the aex of the lteral incisor and the xanine. both teeth are slightly percussion sensitive. radiographically no pathology is noted. further evaluyion and/or treatment should consist of

  1. initiating root canal therapy on both teeth because irreversible pulpal ds is present
  2. further diagnostic testing, specifically thermal or electric pul testing
  3. test cavity on each of pain of nondental origin
  4. evaluation of pain of nondental origin
  5. dismissing the patient until the pain localizes
A
  1. further diagnostic testing, specifically thermal or electric pul testing
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12
Q

a patients presents with an occlusal vague pain in the lower left forst molar. the pain began 2 weeks ago and is present upon chewing. hot and cold stimuli donot bring on discomfort. radiographically there is bone loss evident in the immediate bifurcation of the tooth. further diagnostic testing may consist of

a. lited periodontal probing around the tooth in question
b. periodontal probing and radiographic evaluation of the entire dentition
c. evaluation of occlusal discreancies
d. evaluation for the resence of a cracked tooth
e. electric pulp testing
1. a, d and e
2. a, b and e
3. b, c d, and e
4. b, d, and e
5. a and e

A
  1. b, c d, and e
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13
Q

a 14 yeat old patient present with severe ain in tooth #7 and relates a history of trauma in that reguon. a visual examination revelas a large carious lesion on the distal surface of #7. tooth #7 is tender to percussion. raduographically a periapical lesion is present at the apex of #8. the initial consideration should be

  1. immediate initiation of root canal therapy on tooth #8
  2. excavation of tooth #7, placemrnt of an indirect pulp capand initiation of root canal therspy on #8
  3. thermal and electric pulp cap test of #6, #7, #8 and #9
  4. immediate intitiation of root canal therapy on #7 and #8
  5. excavation anf pulpectomy on #7
A
  1. excavation anf pulpectomy on #7
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14
Q

an 8 year old patient presents woth mild doscomfort in teeth #9 and #10. the teerh were traunatized the day before in a fall from a bicycle. both teeth are slighly per ussion sensitive and tge crowns are intact. electric pulp test indicate that neither tooth is responsive to electric stimulation. treatment of choice is

a. pulpectomy on borh #9 and #10
b. pulpotomy on #9 and #10
c. thermal testing
4. observation of the patient over the next fee weeks
5. referral to pedodontist

A
  1. observation of the patient over the next fee weeks
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15
Q

a 40 year old female patient presents with vague pain that radiates fron the lower right mandible into th right ear and sometimes is located in the uper right ear and sometimes is located in th upper right maxillary teeth. tha pain is apontaneous may last for 1-2 hours and has been present for 3 weeks. the patient relates that she cannot identify any specific stimulus that brings on the pain. Oral examination reveals large but intact restoration throughout the mouth radiographically #29,#30 and #31 all have deep restorations with bases and #2 and #3 have full crown coverage no periapical pathology is present the next step in the diagnosis and treatment of these patients should consist of

  1. Referral to an ear nose and throat physician
  2. Anesthetic testing when the patient is an experiences pain
  3. Dismissal of the patient until the pain localizes
  4. Excavation of the mandibular teeth in an attempt to identify a purpal exposure
  5. Test cavities in a maxillary teeth
A
#15
2.2. Anesthetic testing when the patient is an experiences pain
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16
Q

an excited patient comes into your office complaining of continous tooth pai . she relates tht she cannot chew or drink cold liquids and has had little if any sleep i the past 48hours. the first question you should ask to determine the specificity of the patients problem is,

  1. has therre been any swelling
  2. is the pain spontaneous?
  3. how long does the pain last?
  4. can you identify the source of the pain?
  5. is the pain severe?
A
  1. can you identify the source of the pain?
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17
Q

a 34 year old black female presents for a rutine oral examination . she only has the six mandibular anterior teeth remining in her mouth. there is no evidence of decay or tooth destruction , although slight periodontal disease is present. she is totally asymptomatic . radiographically there are periapical radiolucencies present on the two lower central incisors . electric pulp testin indicates all teeth are responsive in a similar fashion. the treatment of choice is

  1. test cavities
  2. transillumination to identify dark , potentially necrotic , pulp chabers
  3. initiate root canal therapy
  4. extract and replace these teeth when fabricationg a lower partial denture
  5. no treatment is necessary
A
  1. no treatment is necessary
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18
Q

an elderly male patient presents with vague diffuse pain i nthe lower mandibular anterior teeth. the pai comes and goes and has ben resent for 3 months . although the medical history is noncontributory , the patient has not had a physical exam in 5 years. you are unable to elicit any positive findings through diagnostic testign. your next consideration should be to

  1. present an analgeic and dismiss the patient
  2. set up another appointent to reevaluate the situation in 2 weeks
  3. refer the patient to a physician for full examination and consultation prior to any further dental treatment
  4. extract the teeth and relace them with a denture
  5. in vestigate possible pain referral from the posterior mandibular teeth
A
  1. refer the patient to a physician for full examination and consultation prior to any further dental treatment
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19
Q

a 13 year old female present withintermittent pain in the tootn #31 that beun 2 weeks ago, the pain comes and goes sometimes severe, nd last more than 2 hours. the tooth hurts slightly on biting, and she has oticed a tenderness onthe vestibule next toth teh tooth. radograph shows a large restoration with deep base and presence of immature root development. your diagnosis and treatment consist of

  1. reversible pupal ds; excavation and lacement of a sedative dressing
  2. irreversible pulpal ds; pulp extirpation and initiation of root canal therapy
  3. reversible pulpal ds; occlusal adjustment and observation
  4. reversible pulpal ds; open for drainage
  5. irreversible pulpal ds; pulpotomy and apexification procedures
A
  1. irreversible pulpal ds; pulpotomy and apexification procedures
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20
Q

a 36 year old male resents with severe pain to biting on tooth #18. i the past 2 days the pain has increased to the point where it constantly hurts and the patient cnnot or does not ant to eat. clinically a recently placed mesial-occlusal-distal-inlay is present in #18 and a mesial -occlusal- distal onlay is present in tooth #19. RAdiographically no pathology is noted. the patient refuses to let you touch the tooth until an nanesthetic is administered . possible diagnsis and etiology maybe

a. reversible pulpal ds; hyperocclusion
b. reversible pulpal ds; restorative procedures
c. irreversible pulpal ds; marginal leakage
d. irreversible pulpal ds; vertical fracture
e. irreversible pulpal ds; restorative procedures
1. a
2. a and b
3. c and d
4. c and e
5. d and e

A
  1. d and e
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21
Q

a 50 yer old male presents with pain in the area oftooth #30. the pain has been present off and on for 3 months with increasing severity that is now botherig his sleeping. there are no medical problems. on radiographic examinaion there are no apparent lesions; however a deep distao-occlusal amalgam is present. Palpation is negive and percussion evokes a positive response. the electric pulp test gives a reaing of 4 . the treatment of choice is to
1. perform pulpotomy or pulpectomy
2. wait for further symptoms or remission
3. prescribe analagesics and adjust the occlusion
4,. remove the amalgam and replace with a zinc oxide-eugenol temporary
5. refer the patien to a periodontist

A
  1. perform pulpotomy or pulpectomy
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22
Q

a 22 year old male presents with contius mild to moderate pain in the area of tooth #3. you ascertain the ff information history of rheumatic fever and hay fever, pain of 2 days durtion, no caries or restoration , no abnormal visual or rdiographic findings, a weakly positive percussion test, and an normal response to thermal and electric pulp test. the most probble diagnosis is

  1. irreversible pupa disease in #3
  2. reversible pupa disease in #3
  3. sinusitis
  4. referred pain
  5. fracture
A
  1. sinusitis
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23
Q

a 12 ear old patient arrives at your office complaining of pain in tooth #7. yesterday he was hit in he mounth during basketball preactice. the tooth is slighly mobile but not tender to percussion. thermal changes donot affect the tooth and the electric pulp tester registers a response at 8. diagnosis and treatment concsist of

  1. irreversible pulpal ds; pulpectomy
  2. necrotic pulp; open ad debride
  3. reversible pulpal ds; reduce occlusion and place a sedative dressing
  4. acute abscess formation; open and drain
  5. an accurate diagnosis cannot be made at this point; treat palliatiely and observe
A
  1. an accurate diagnosis cannot be made at this point; treat palliatiely and observe
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24
Q

contraindications to endodontic therapy may include

a. untreatable periodontal ds
b. the presence of wide open apex
c. vertical root fracture
d. nonstrategic tooth
e. ncipient internal resorption
1. a, b, and c
2. b, c, and e
3. a, c, and d
4. b,d and e
5. all of the above

A
  1. a, c, and d
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25
Q

when endodontically treated teeth are evaluated for an appropriate restoration, the factors which must be considered are

a. periodontal status of the tooth
b. amount and quality of remainin tooth structure
c. position of the tooth in the arch
d. endodontic prognosis for the tooth
e. patient economics
1. a and b
2. a, b and c
3. a, d and e
4. d and e
5. all of the above

A
  1. all of the above
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26
Q

due to clinicalsuccess and patient acceptability , endodontic therapy has been advocated as the treatment of choice in cases of

a. periodontal lesions of short duration due to pulpal infection
b. teeth planned for overdentures
c. teeth havingb complete coronal fractures
d. teeth misaligned and planned for full crown coverage
1. b, d and e
2. b, c, and d
3. c, d nd e
4. a, b, c and d
5. a, c, d and e

A
  1. a, b, c and d
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27
Q

you have just completed root canal therapy on a patient whose lower left second molar had a pulpal periodontal disease. prognosis for the endodontic therapy is good but the periodontal prognosis is guarded. the tooth is missing the two buccal cusps and the distal marginal ridge due to caries. you want to begin restoraton of the tooth nextweek. your ttreatment of choiceis

  1. full cast crown
  2. post-core with full porcelain to gold crown with margins above the gingival crest
  3. pin amalaam core with full cast crown
  4. amalgam build up and reevaluation of periodontal status at later date
  5. reverse three-quarter cron with margins bellow the gingival crest
A
  1. amalgam build up and reevaluation of periodontal status at later date
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28
Q

effective management of pulpal periodontal diease process is accomplished by

a. early recorgnition of the combine disease process
b. accurate identification of the etiologic agent
c. determination of the duration of the disease process
d. identification of the microorganism responsible for the disease process
e. initial periodontal surgical intervention
1. a, b and d
2. b, d and e
3. a, b, and e
4. a, b and c
5. all of the above

A
  1. a, b and c
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29
Q

during the preparation of tooth #31 to receive a MO amalgam you find that you have inadvertently created a mechancal exposure of the mesiobuccalpulp horn. the tooth had been properly isolated with a rubber dam and the decay has been removed. the patient is 13 years old and has n history of symptoms with this tooth,. the radiograph reveals no apparent pathology although the root apices arenot fully formed. treamtnent of choice consist of

  1. an indirect pulp cap with calcium hydroxide followed by an amalgam restoration
  2. an indirerct pup cap with zinc oxide eugenol followed by an amalgam restoration
  3. an dirrect pulp cap with calcium hydroxide followed by an amalgam restoration
  4. an dirrect pulp cap with ZOE followed by an amalgam restoration
  5. a pulpotoy with calcim hydroxide placed over the vita stmps to allow for continued root growth.
A
  1. an dirrect pulp cap with calcium hydroxide followed by an amalgam restoration
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30
Q

a new pateint comes to you for totl dental care. during treatment planning you find a radiolucency asso. with the apex of the tooth #12. endodontic threrapy has had no symptoms or problems with the tooth since then. you are unable to locate previous x-rays. your treatment would be to

  1. perform endodontic surgery as the patient radiolucency indicates a failurre
  2. wait, and observe , checking for clinical signs or symptoms of pathology or changes in the radiolucency at recall visits
  3. retreat the endodontic fill and observe for 6 months
  4. adjust the occlusion because continual trauma to thee tooth may cause the lesion to persist
A
  1. wait, and observe , checking for clinical signs or symptoms of pathology or changes in the radiolucency at recall visits
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31
Q

the primary purpose of the endodontic accesss opening is to

  1. remove the coronal pulpla tissue
  2. allow for removal of canal contents
  3. allow for thepreparation of the dentinal walls
  4. establish a straight line acess to the apical foramen
  5. allow the enlargement of he coronal orifice
A
  1. establish a straight line acess to the apical foramen
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32
Q

a 10year old boy comes to your office with a coronal fracture o #8 . the accident happened about 1 hour ago , and there is a large pulp exposure. on x-ray you see the apex of #8 is still not closed. treatment would consist of

  1. direct pulp cap with calcium hydroxide
  2. pulpectomy and later gutta ercha fill
  3. pulpotomy with Ca (OH)2
  4. pulpectomy and fill with Ca (OH)2
  5. smoothing edges and placing ZOE over the exposure
A
  1. pulpotomy with Ca (OH)2
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33
Q

objectives in root canal preparation include

a. establishment of a sound apical seat
b. complete obturation of the apical one-third of the canal
c. creation of the tapered funnel
d. preparation of the canal in wet environment
e. establishment of a working length 0.5-0.75mm from the radiogaphic apex
1. a, c and e
2. a, d and e
3. a, c, d and e
4. a, b, c, and d
5. all of the above

A
  1. a, c and e
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34
Q

a patient presents with localized , fluctuant swelling asso. with tooth #28. the patient complains of extreme pain on biting. you ope the tooth and establish good drainage. you should also consider

  1. prescribing saline rises
  2. relieving occlusion
  3. closing the tooth
  4. incising and draining soft tissue
  5. all of the above
A
  1. all of the above
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35
Q

yesterday you did a pulpotomy on an emergency patient with pain on tooth #30 caused by irreversible infammation of a vital pulp. today the pateint has called with moderate-severe pain. you should

  1. prescribe antibiotics
  2. prescribe antibiotics and analgesics
  3. inform the patient it will probably go away
  4. have patient return and perform complete pulpectomy
  5. have patient return , open the tooth and leave it open
A
  1. have patient return and perform complete pulpectomy
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36
Q

from a histoogic standpoint a Phoenix abscess or recrudescence would consist of

a. PMN’s
b. macrophages
c. plasma cells
d. lymphocytes
e. circumpherential areas of bone resorption
1. a, c and e
2. b, c and d
3. a and e
4. c, d and e
5. all of the above

A
  1. all of the above
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37
Q

you have completed all the biomechanical preparation of the root canal of tooth #8. th epatient return in 24 hours with severe pain to iting on #8. you open the tooth and uopn x-ray you find that your final file size (#55) is right at the radiographic apex. treatment of choice is to

  1. enlarge the canal one or two sizes, irrigate and close the tooth
  2. trehinate at the apex
  3. enlarge the canal two or three sizes to remove any pulpal remnants
  4. decrese you working length . open, irrigate and close the tooth, reduce the occlusion and prescribe analgesics
  5. open the tooth for drainage and leave open
A
  1. decrese you working length . open, irrigate and close the tooth, reduce the occlusion and prescribe analgesics
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38
Q

during the exvacation of a very deep lesio on tooth #30 on an 8 year old patient you initially find large amounts of mushy, decayed tooth structure ovr a leathery , dimeneralized dentin. the tooth is asymptomatic and has given all signs that it is vital . treatment contemplated should include

  1. total excavation; if no exosure is present , appy a base and restore
  2. total ecavation; if a pulp exposure is present, do a direct pulp cap
  3. total excavation; if a pulp exposure is present, perform pulpotomy
  4. application of acavity sealer over the leathery dentin, followed by a restoration with amalgam
  5. application of calcium hydroxide and/or zinc oxide eugenol over the leathery dentin and restoration
A
  1. application of calcium hydroxide and/or zinc oxide eugenol over the leathery dentin and restoration
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39
Q

a 21 year old female presents with slight discomfort on tooth #7 .she complains that it is tender o biting and occasionally gives her an ache neat the apex. a radiograph reveals a previous root filling (silver cone) which extends 1mm past the apex. around the silver cone is a 3x5mm periaical lesion. The crown of the tooth is partilly broken down and you can see the coronal end of the silver cone . Treatment of choice is

  1. periapical surgery, retrofilling and restoration of the tooth with a synthetic material
  2. extraction of the tooth and replacement with a three unit fixed partial denture
  3. trephination of the lesion and prescription of antibiotics
  4. retreatment , removing the silver point and preparation of the tooth for a post-core restoration
  5. periapical curettage and simple cutting off of the extended silver point
A
  1. retreatment , removing the silver point and preparation of the tooth for a post-core restoration
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40
Q

in preparing the root canal of tooth #9 you have achieved the ff sizes: #50 file to the apex, a #70 file in the body of the canal, and #90 file in the coronal aspect of the canal. Upon seating your master cone with seaer and placing a spreader down the canal you find that it is difficult to get any apicl depth with the spreader or to place more than one or two accessory cones in the prepared canal. Reflecting upon the situation you identify the potentil reason for your problem as

a. too much hardened sealer in the canal
b. too large a spreader
c. failure to flare the body of the root canal adequately
d. too large accessory cones
e. failure to flae the occlusal accesss opening adequately
1. a, b and d
2. a, c and e
3. b, c, and d
4. b, c, and e
5. all of the above

A
  1. b, c, and d
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41
Q

whichof the ff staements about medical and dental history is NOT accurate?

  1. at the initial interview , the therapist should elicit the chief complaint , medical history and dental history
  2. the patient should be allowed to describe the cheif complaint in his or her own words
  3. a thorough dental history should be obtained from all patients
  4. use of a standard written questionaire maybe a helpfull outline for gathering both the medical and dental history
  5. the medical history althught often useful, is still considered optionl information for the dental patient
A
  1. the medical history althught often useful, is still considered optionl information for the dental patient
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42
Q

which of the ff statements about the medical history is MOST accurate?

  1. No dental work should be beginuntil the history is taken and evaluated
  2. the medical history may provide insight into the etiology of an existing dental problem
  3. systemic ds may alter the response to therapy
  4. a medical history may alert the therapist to any disease status that requires special treatment of the patient.
  5. all of the above are accurate statements
A
  1. all of the above are accurate statements
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43
Q

the role of the radiographs as a tool for diagnosis maybe BEST describes by which of the ff statements?

  1. periapical radiogaphs by themselves serve as a definitive tool for diagnosing periodontal ds
  2. althought the radiograph is a valuable diagnostic tool, it maybe used only to corroborate clinial findings and by itself is not definitive diagnostically
  3. although it is best o have clinical findings available accurate diagnoss of periodontal disease can be made with radiographs alone
  4. one bite-wing radiographs are needed for the diagnosis of the periodontal ds
  5. when the bite-wings , a full periapical series and a panograph are available, it is possible to make definitive diagnosis of periodontal ds from the radiographs alone without clinical data
A
  1. althought the radiograph is a valuable diagnostic tool, it maybe used only to corroborate clinial findings and by itself is not definitive diagnostically
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44
Q

which of the ff stamements best describes the diagnostic information provided by a proper radiographic series?

  1. radiographs provide a two dimensional visualization of the position of the septal bone
  2. radiographs provide informatiom aboit the crown :root ratios
  3. radiographs provide information about the thickness of the periodontal ligament space
  4. radiographs may reveal such etiologic factors as subgibgival calculus and faulty restorations
  5. all of the above
A
  1. all of the above
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45
Q

which of the ff statements cannot be considered a limitstion of the radiographix examination?

  1. a proper radiographic series is very coatly and time-consuming
  2. a proler radiographic series does not provide any information about the presence or answnce of soft tissue pockets
  3. a proper radiographic seroes does not accuratelt depict the morphology of intraosseous defects
  4. radiographs donot depict the buccal and lingual bony aslects because of the inherent radiopacity of the teeth
  5. the radiographicimgae of bone loss is generally less severe than the degree of loss that actually exist.
A
  1. a proper radiographic series is very coatly and time-consuming
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46
Q

which of the ff statements best describes the roper interval for a post -periodontsl treatment radiographic survey?

  1. a full series of radiographs should be taken every 6 months
  2. a bitewing survey should bw performed every 6 months and a panoramic film should be taken
  3. a full radiographic series along with panoramic film should be taken every year
  4. a bitewing series and panoramic film should be taken every year
  5. the frequency of posttreatment radiographic surveys depends upon the complexity and problems of each individual caaw
A
  1. the frequency of posttreatment radiographic surveys depends upon the complexity and problems of each individual caaw
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47
Q

the radiographicchanges asso. with gingivitis may best be decribed by which of the ff statements?

  1. there is often a fuzziness or break in the crestal lamina dura
  2. there is often an increase in the width of the periofontsl ligamdnt space
  3. there is often loss of alveolae bone height in the interdentsl septum
  4. there are no rsdiographic changes asso. with gingivitis
  5. there is often loss of trabeculatiom and widening of the medullary spaces
A
  1. there are no rsdiographic changes asso. with gingivitis
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48
Q
  1. the normal color of gingiva (marginal, attached, ans interproximal) may best be described by which one of the ff statements?
  2. normal gingival color is described as coral pink
  3. normal gingival color is described as bright red
  4. normal gingival color is described as reddish blue
  5. normal gingival color is described as reddish pink
  6. normal gingival color may vary from coral pink to varying shades of red or reddish blue.
A
  1. normal gingival color is described as coral pink
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49
Q

the only accurate way to determine the presence or absence of pocket is by

  1. radiographic examination
  2. occlusal examination
  3. pocket probing
  4. visual examination for gingival enlargement
  5. vjsual examinatiom for color change
A
  1. pocket probing
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50
Q
which of the ff signs and symptoms is not usuallt asso.  with chronic gingival inflammtaion? 
1. suppuration
2. bleeding
3. color change
4. pain
5 spongy,  swollwn gingiva
A
  1. pain
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51
Q

which of the ff statements about the gingiva is not true?

  1. normal gingiva is firm and resilient
  2. normal gongival surface is either kararinized or parakeratinized
  3. gingical enlaegement may cause a coronal positioning of the gingival margin
  4. bleeding of the gingiba during toothbrishing usually is not consoderef an abnormal finding
  5. fibroedematous gingival consistensy indicates the presence of an increase in connective tissue fibers and cells along with the edema of inflammation
A
  1. bleeding of the gingiba during toothbrishing usually is not consoderef an abnormal finding
52
Q

which of the ff statements about the clinical
findingd of normal gingival is not true?
1. depending upon the number of areas of the mouth affected, color change may be chatacterized as localized and generalized
2. often in dark -skinned individuals the gingivsl contains patches of brown pigmenttion anfd these athces are considered normal finding
3. gingival contour is normally described as having a parabolic form with blunted margins
4. whwn color changes ass. with gingival inflammation have occured in the interdentla papilla and have spread to the marginal and attached gingiva, these changes are describes as diffuse
5. changes in gingival contour maybe the result of cleft formation or recession

A
  1. gingival contour is normally described as having a parabolic form with blunted margins
53
Q

a true periodonral pocket is best defined by which one of the ff statememts?

  1. a true peridontal pckets is one formed by a coronal shift of the gingival margin, without migration of the epithelial attachment
  2. a true periodontal pocket is one which is over 5mm in depth
  3. a true periodontal pocket is one which is over 7mm in depth
  4. a true periodontal pocket is one which is asso. with apical migrtion of the epithelial attachment and loss of bone
  5. a true periodontal pocket is one which is ass. with loss of bone without any migration of the epithelial attachment
A
  1. a true periodontal pocket is one which is asso. with apical migrtion of the epithelial attachment and loss of bone
54
Q

which one of he ff statements BEST describes the significance of pocket probing in the dagnosis of periodontitis?

  1. the level of the epithelial attachment (position of the base of the pocket) is greater significance than the depth of the pocket
  2. the greater the pocket depth probings, the more the severe the periodontal ds
  3. the position of the gingival margin detemines whether the diagnosis of periodontitis can be made
  4. bleeding elicited by gentle probing is indicative of periodontitis
  5. when suppuration of the pocket is evident during pocket probing, a diagnsis of periodontitis is automatic.
A
  1. the level of the epithelial attachment (position of the base of the pocket) is greater significance than the depth of the pocket
55
Q

which one of the ff statements BEST describes the value of stippling as a diagnosic aid in gingiva ; inflammation?

  1. the presence of stippling always indicates a total lack of gingival inflammation
  2. the absence of stiplling is always indiative of gingival inflmation
  3. the absence of stippling is never the sign of gingival inflammation
  4. the lack of stiplling may not be considered a sign of inflammation unless stiplling is known to have bee present previously.
  5. in order for gingiva to be truly healthy , stippling must always be present.
A
  1. the lack of stiplling may not be considered a sign of inflammation unless stiplling is known to have bee present previously.
56
Q

occlusal analysis would not usually include examination for which one of the ff parameters?

  1. the presence of parafunctional mvements
  2. soreness in the temporomandibular joint
  3. the resence of gingival inflammation
  4. thr initil contact in retruded centric position
  5. overbite, overjet and angel classification
A

3.the resence of gingival inflammation

57
Q

which one of the ff statements best describes the role of excessive occlusal forces in the etiology of periodontal disease?

  1. excessive oclusal forces cause the formtion of periodontal pockets
  2. excessive occlusal forces may slter the psthway of inflammaion causing an alteration in the morphology of periodontal pockets
  3. excessive occlusal forces cause a more rapid horizontal bone loss
  4. excessive occlusal forces cause the formation of “pseudo-pockets”
  5. excessive ocllual forces increase the severity of gingival inflammation
A
  1. excessive occlusal forces may slter the psthway of inflammaion causing an alteration in the morphology of periodontal pockets
58
Q

parafunctional movements during brixism or clenching have been described as potentially very destruptive. this destruction may manifest itself by

  1. tooth mobility
  2. excessive wear of theteeth
  3. muscle spasms
  4. temporomandibular joint discomfort
  5. all of the above
A
  1. all of the above
59
Q

when conducting an occlusal analysis, the therapist should elicit information from the patient about all the ff clinical signs except

  1. clenching or bruxism
  2. soreness of the TMJ
  3. bleeding of th gums when chewing or brushing
  4. speech problems
  5. looseness of any teeth
A
  1. bleeding of th gums when chewing or brushing
60
Q

which of the ff staements is not a correct sign and symptom of a periodontal abscess?

  1. there is a localized swelling of th gingiva
  2. there is an abnormal response to electric and thermal pulp testing
  3. pain in the area of abscess
  4. tooth or teeth very sensitive to pressure
  5. heavy depositis of subgingivl calculus in the affected area
A
  1. there is an abnormal response to electric and thermal pulp testing
61
Q

appearing almost immediately after the cleansing of a tooth , the film of salivary origin which coats the surface is called

  1. plaque
  2. materia alba
  3. peliccle
  4. levans
  5. lipoproteins
A
  1. peliccle
62
Q

the predominant microorganism in the first 2 hours of plaque formation are

  1. vibrios
  2. filaments
  3. spirochettes and vibrios
  4. rods and cocci
  5. cocci and filaments
A
  1. rods and cocci
63
Q

plaque microorganisms are organized into a matrix which is composed of

a. dextrans
b. lipoproteins
c. monosaccharides
d. levans
1. a
2. b
3. a and c
4. a and d
5. b and d

A
  1. a and d
64
Q

plaque is differentiated from materia alba by which of the ff characteristics?

a. plaque consist of an organized matrix while materia alba is not organized
b. plaque adheres firmly to the tooth surface while materia alba is easuly disloged
c. plaque can be removed with a waer spray while material alba must be mechaniclly removed
d. plaque cannot be differentialted from materia alba because they are the same entity
1. a
2. c
3. d
4. a and c
5. a and b

A
  1. a and b
65
Q

the importance of an overhanging margin on a crown as an etiologic agent in periodontal disease is primarily related to which of the ff factors?

  1. it serves to retain plaque
  2. it seves as a mechanical irritant
  3. it causes poor food deflection
  4. it tears the gingival fibers
  5. it leaves an unaesthetic result
A
  1. it serves to retain plaque
66
Q

which of the ff staements is true of dental calculus?

  1. it is comosed entirely of inorganic materials
  2. it is the primary etiologic agent in periodontal ds
  3. it is classified according to the degree of the inflammatory response it creates
  4. it s dental plaque which has become mineralized
  5. it is precipitated saliva
A

4.it s dental plaque which has become mineralized

67
Q

in regard to pregnancy gingivits, which of the ff stateents is correct?

  1. the hormonal imbalance creates the inflammatory changs in the tissue
  2. bacterial plaque creates a greater than usual inflammatory response
  3. it can be modified by hormonal therapy to bring the body back o a state of equilibrium
  4. it occurs in women with a hereditary predisposition to homonal imbalance
  5. bacterial plaque accumultion is accelerated by the hormonal changes in pregnancy
A
  1. bacterial plaque creates a greater than usual inflammatory response
68
Q

trauma from occluion leads to alteration in the

a. periodontal ligament
b. cementum
c. alveolar bone
d. epithelial attachment
1. a
2. c
3. a and b
4. a, c and d
5. a, b and c

A
  1. a, b and c
69
Q

the stages of ttrauma from occlusion include

a. injury to the periodontium
b. chnage in the morphology of the periodontium
c. stimulation of the periodontium
d. repair of the periodontium
1. a and b
2. a and c
3. a, b and d
4. a, c and d

A
  1. a, c and d
70
Q

histologic changes found in trtauma from occlusion include

a. inflammation in the periodontal ligament
b. hemorrhage and thrombosis of blood vessels in the periodontal ligament
c. apical migration of the epithelial attachement
d. replace of the collagenous fibers in the periodontal ligament with elastic tissue fibers.
1. a
2. b
3. a and c
4. band d
5. a, b and d

A
  1. b
71
Q

which of the ff statements best describes the treatment plan?

  1. the tretment plan is the result of the analysis of al data gathered during the examination
  2. the treatment plan is the orderly plan of action based on diagnosis and prognosis of the particular ds
  3. the treatment plan is the orderly plan of action for resolving the pateints problem
  4. the periodontal treatment plan is usually devided into the broad categories of 1.) initial therapy, 2. ) surgical therapy, 3.) maintenance
  5. all of the above
A
  1. all of the above
72
Q

the major role of the initial therapy is the

  1. alleviation of all emergency probles
  2. elimination or control of all etiologic factors
  3. establishment of a functional physiologic occlusion means of selective ginding and orthodontic therapy where indicated
  4. removal of calculus
  5. none of the above
A
  1. elimination or control of all etiologic factors
73
Q

initial therapy does not include

  1. alleviation of all emergencies , rampant caries, chief complaint, iatrogeic restoration
  2. scaling and root planning
  3. bone grafting
  4. occlusal adjustment
  5. temporary stabilization
A
  1. bone grafting
74
Q

select fro theff the objetives of periodontal therapy

a. eliminaion of inflammation
b. extension for prevention
c. establishment of adequate zones of attached gingiva
d. motivation of the patint to perform plaque control
1. a and b
2. a and c
3. b, c and d
4. a, c and d
5. all of the above

A
  1. a, c and d
75
Q

root planning and curretage are perforemd to chieved which of the ff gingival tisue changes?

  1. remission of inflammation and reduction of fibrotic tissue
  2. remission of inflammation and soft tissue shrinkage
  3. remission of inflammation and conversion from fibrotic to edematous tissue
  4. eradication of deep pockets and conversion from fibotic to edematous tissue
  5. reduction of 7mm pockets to 3mm pockets and retacchement to edematous tissue
A
  1. remission of inflammation and soft tissue shrinkage
76
Q

which of the ff staements are true of root planning?

  1. Root planning is frequently a presurgical technique when shallow pockets are present
  2. root planning is used etntirely as a presurgical technique
  3. root planning with or without a curretage may reduce edematous 4mm pockets to normal sulci.
  4. 1 and 3
  5. none of the above
A
  1. root planning with or without a curretage may reduce edematous 4mm pockets to normal sulci.
77
Q

root planning is performed as presurgical techniue to achieve which of the ff alterations?

a. to reduce bleeding during surgery
b. to provide an insight into the patients healing response
c. to provide a better tissue consistensy for incision
d. to resolve edema and exudation
1. a and c
2. a and d
3. a, c, and d
4. b, c and d
5. all of the bove

A
  1. all of the bove
78
Q

in some circumstances root planning will resolve theperiodontal problem, root planning can be expected to

a. reduce shallow edematous pockets to normal sulci
b. reduce shallow fibrotic pockets to normal sulci
c. cause shrinkage and/or reattachment of a three walled bony defect
d. increase the zone of attached gingiva in edematous tissue
1. a and c
2. a and d
3. b and c
4. b and d
5. none of the above

A
  1. a and c
79
Q

gingivectomy can be performed under which of the ff conditions?

a. to eliminte pockets when the alveolar crest is normal or bone loss is horizontal
b. when the adequate zone of attached gingiva is present
c. to eliminate three-walled infrabony defects
d. when the gingival margins are rolled
1. a nd b
2. a and c
3. a, b and c
4. a, b and d
5. all of the above

A

4.a, b and d

80
Q

mucogongival surgery is performed for which of the following purposes?

a. to deepen the vestibule
b. to cover denuded root surfaces
c. to decrease the zone of attached gingiva
d. to relocate frena and high muscle attachment
1. a and b
2. a and c
3. a, b and c
4. a, b and d
5. all of the above

A

4.a, b and d

81
Q

select from the ff those procedures which are consideref mucogingival surgery.

a. apical repositioned flap
b. free gingival graft
c. gingivectomy
d. curettage
1. a and b
2. a and c
3. a, b and c
4. a, c and d
5. all of the above

A
  1. a and b
82
Q

select from the ff the osseos changes which can occur in peridoontal ds

a. osseous craters
b. osseous bulges
c. hemisepta
d. infrabony defects
1. a and b
2. a and c
3. a, b and c
4. a, c and d
5. all of the above

A
  1. a, c and d
83
Q

select from the following statements about splinting those which are true

a. splinting of a permanent nature is the treatmrnt of choice for mobile teeth
b. splinting should be performed as the forst treatment procedure in mobile teeth
c. splinting is usuallyperformed after the local factors causing inflammation have been eliminated
d. splintingwith a removable acrylic splint can aometimes be used in a permanent basis
1. a and b
2. a and c
3. c and d
4. b and d
5. a, b and d

A
  1. c and d
84
Q

occlusal correction is performed in which of the ff circumstances?

a. when the patient exhibit migration of anterior teeth
b. when patients radiographs exhibit thickening of the periodontal lihament space
c. when patients have abnormal occlusal relationship which may lead to future damage
d. when atients have temporomandibular joint and disorders
1. a and b
2. b and c
3. a, b and c
4. a, b and d
5. all of the the above

A
  1. a, b and d
85
Q

occlusl correction can be accomplished by which of the ff types of procedures?

a. repositioning the teeth with orthodontic tooth movement
b. repositioning the teeth with periodontal surgical procedures
c. reshaping the teeth with restorations
d. reshaping the teeth by grinding
1. a and b
2. a and c
3. a, b and c
4. a, c and d
5. all of the above

A
  1. a, c and d
86
Q

select from the ff statements the one which is true of periodontal maintenance

  1. periodontal maintenance therapy is an active part of treatment which is concerned with pocket elimination
  2. periodontal maintenance appointments occur at 6 month intervals
  3. periodontal maintenance visits should include a full series of radiographs of each appointments
  4. periodontal maintenance is necessary only in patients who have demonstrated poor plaque control
  5. periodontal maintenance is a definite phase of therapy, and the recall intervals vary according to patient needs
A

5.periodontal maintenance is a definite phase of therapy, and the recall intervals vary according to patient needs

87
Q

Recurrence of periodontal disease is minimized in which of the following circumstances?

  1. Recurrence is minimized when the patient demonstrates proper plaque control
  2. recurrence is minimized when periodic radiograph are taken at recall appointments
  3. Recurrence is minimized when the occlusion is adjusted at recall appointment
  4. Recurrence cannot be minimized since people are either susceptible or not susceptible to . Ontal disease
  5. Recurrence is not a concern in patients who have received periodontal therapy
A
  1. Recurrence is not a concern in patients who have received periodontal therapy
88
Q

Treatment of ANUG consists of which of the following procedures

a. removal of deposits usually in a series of appointments
b. peroxide injected into the oc rated lesion
c. antibiotics when a fever is present
d. antibiotics when a lymphadenopathy is presen
1. a&b
2. a&c
3. a b and c
4. a c and d
5. all of the above

A
  1. a c and d
89
Q

Select from the following situations those in which gingival hyperplasia may occur

a. diphenylhydantoin
b. Familial fibromatosis
c. pregnancy
d. chronic irritation
1. a&b
2. a&c
3. a b and c
4. a c and d
5. all of the above

A
  1. all of the above
90
Q

Which of the following statements about black control is not accurate ?

  1. there must be a regular disruption of bacterial colonization on the surface of the teeth
  2. plaque removal is difficult because it is transparent sticky and covers very hard to reach surfaces
  3. Plaque products left undisturbed will cause inflammation of the periodontal tissues
  4. currently theory is that plaque causes gingivitis which left untreated will become periodontitis
  5. adequate plaque control can readily be obtained without patients cooperation and individual effort
A
  1. adequate plaque control can readily be obtained without patients cooperation and individual effort
91
Q

Which of the following statements about patient motivation for oral hygiene is notaccurate ?

  1. motivating and educating the patient about etiology and proper removal of a etiologic factors is usually a straightforward and simple procedures
  2. Motivating the patients toward proper oral hygiene is most difficult because it is concerned with the patient’s physiologic makeup intelligence and manual dexterity
  3. The use of such aids as plaque disclosants and phase contrast microscopy are often valuable tools in efforts to educate and motivate a patient’s
  4. The Passing on of information is of little value if the patient does not perform the necessary procedures
  5. The therapist must still in a patient not only knowledge about oral hygiene but also the desire to perform the necessary hygiene procedure
A
  1. motivating and educating the patient about etiology and proper removal of a etiologic factors is usually a straightforward and simple procedures
92
Q

Which of the following statements about prevention of periodontal disease is not true?

  1. Patience neglect is only a minor reason for the wide distribution of chronic inflammatory periodontal disease
  2. The therapist is greatly limited in the treatment of periodontal disease because it is necessary to rely upon the patient to remove the primary etiologic agent(plaque)
  3. Plaque removal which is a major portion of any preventive program is most difficult to perform
  4. There are many techniques to achieve the proper level of plaque control but no single one has been proven best
  5. Black products bring about the onset of inflammation which when left uncontrolled progresses to more advanced periodontal disease
A
  1. Patience neglect is only a minor reason for the wide distribution of chronic inflammatory periodontal disease
93
Q

Which of the following statements best describes the therapist role in a prevention of dental diseases?

  1. The therapist is primary force in prevention of pre-dental disease although a strong supportive role is allocated to the patient
  2. If the patient will not put forth the necessary effort for plaque control then the therapist must assume the responsibilities
  3. The therapist can only work toward establishing an environment that can be maintained with proper hygiene proper oral hygiene can only be achieved by the patient
  4. Since black control is a difficult task for the patient to accomplish adequately this responsibility rests with the therapist
  5. For plaque control can be compensated for by careful control of nutrition
A
  1. The therapist can only work toward establishing an environment that can be maintained with proper hygiene proper oral hygiene can only be achieved by the patient
94
Q

which of the following statements best describes the place of adequate oral hygiene in control of diseases?

  1. Oral hygiene is usually considered a prophylactic modality
  2. Oral hygiene is usually considered a therapeutic modality
  3. Oral hygiene is considered both a therapeutic and prophylactic modality
  4. periodontal health is maintain in a different manner post-treatment 10 pretreatment
  5. Meticulous oral hygiene on a daily basis is not compatible with general health because of potential damage to the soft tissue
A
  1. Oral hygiene is considered both a therapeutic and prophylactic modality
95
Q

The only orally effective means of control of periodontal disease is by?

  1. Daily rinse with warm salt water
  2. A daily use of commercial mouth rinses
  3. A daily regimen of black control via mechanical removal
  4. A weekly regiments of plaque control via mechanical removal
  5. Yearly professional removal of plaque and calculus
A
  1. A daily regimen of black control via mechanical removal
96
Q

The most effective method of toothbrushing is

  1. Roll
  2. Stillman’s
  3. Charters
  4. fones
  5. No one method has been shown to be the best
A
  1. No one method has been shown to be the best
97
Q

Which of the following is the most important aspect of toothbrushing?

  1. the design of the brush head
  2. the method of toothbrushing
  3. toughness on the part of the patient
  4. frequency
  5. the use of toothpaste containing fluoride
A
  1. the method of toothbrushing
98
Q

Which of the following statements best describes the popularity of the soft nylon toothbrush?

  1. Soft nylon brushes are the most readily available
  2. Soft nylon brushes are cheaper
  3. Soft nylon brushes last longer
  4. Soft nylon brushes are not irritating to the gingiva
  5. Soft nylon brushes do not scratch dental restoration
A
  1. Soft nylon brushes are not irritating to the gingiva
99
Q

Which of the following statements about dental flossing is not accurate?

  1. It is not proper for individuals with out periodontal disease to use dental flossing
  2. The most efficient method of interproximal plaque removal is the use of dental floss
  3. Unlock dental floss has not been shown definitely superior to waxed floss
  4. The primary purpose of dental floss is the removal of plaque from the interproximal tooth surface
  5. Dental floss can be used in on areas of splints and bandages with the aid of plastic needles
A
  1. It is not proper for individuals with out periodontal disease to use dental flossing
100
Q

Patients who have been undergone . On tell therapy may no longer have interdental spaces filled with tissue these areas can now be clean by means other than dental floss which of the following is a flaw substitute?

  1. proxa-brushes
  2. perio-aids
  3. rubber tips
  4. stimudents
  5. all of the above
A
  1. all of the above
101
Q

Which of the following statements most accurately reflects the use of adjunctive homecare procedures?

  1. The most effective adjunctive interproximal cleaner has been proven to be the rubber tip
  2. There are many effective mouthwashes available for the clinical use
  3. The water irrigating devices available today when used properly make adequate substitute for the use of loss
  4. Water irrigating devices should usually be utilized prior to dental flossing
  5. No matter which adjuncts are used the most important feature for oral hygiene is patient to thoroughness
A
  1. No matter which adjuncts are used the most important feature for oral hygiene is patient to thoroughness
102
Q

The basic assumption of concerning the pathogenesis of chronic inflammatory periodontal disease is that

  1. The onset of gingival inflammation is closely linked to the hereditary
  2. The onset of gingival inflammation follows the radiographic signs of alveolar bone loss
  3. Chronic inflammatory . Dental disease is initiated by the products of plaque
  4. The products of black play only a minor role until bread dental disease has been initiated usually by occlusal trauma
  5. Before migration of the epithelia catchment lock products are not capable of causing any damage to the gingiva
A
  1. Chronic inflammatory . Dental disease is initiated by the products of plaque
103
Q

The relationship of periodontitis and gingivitis is best described by which of the following statements?

  1. Gingivitis is the result of inflammation initiated by the plot products which periodontitis is the result of inflammation initiated by trauma from occlusion
  2. Gingivitis is always associated with bone loss while periodontitis is usually is not
  3. There is no relationship between gingivitis and periodontitis
  4. Gingivitis is a disease of the epithelium while periodontitis is a disease of the connective tissue
  5. The difference between gingivitis and periodontitis the degree of destruction associated with the chronic inflammatory lesion
A
  1. The difference between gingivitis and periodontitis the degree of destruction associated with the chronic inflammatory lesion
104
Q

Which of the following statements concerning the spread of inflammation in the periodical disease is least accurate?

  1. The junctional epithelium is a week barrier to plaque products and the onset of inflammation
  2. Inflammation usually begins in the connective tissue just below to the junctional epithelium
  3. Inflammation is believed to spread to the deeper tissues by following along the collagen fibers of the gingival fiber apparatus
  4. Inflammation is believed to spread to the deeper tissues by following the connective tissue immediately surrounding the blood vessels
  5. The spread of inflammation results in a destruction of gingival fiber and apical migration of the epithelial attachment
A
  1. Inflammation is believed to spread to the deeper tissues by following along the collagen fibers of the gingival fiber apparatus
105
Q

Which of the following statements accurately reflects the population shift of inflammatory cells as the inflammatory lesion advances?

  1. There is a shift from neutrophils in the earliest lesion , to mast cells in the established lesions and macrophages in the more advanced lesion
  2. There is a shift from neutrophils in the earliest lesions ,to plasma cells in the established lesion and to lymphocytes in the more advanced lesion
  3. There is a shift from plasma cells in the earliest lesion , to lymphocytes in the stablish lesions and to neutrophils in the more advanced lesion
  4. There is a shift from neutrophils in the earliest lesion to lymphocytes in the stablish lesion and to plasma cells in the advanced lesion
  5. The population of inflammatory cells remains constant
A
  1. There is a shift from neutrophils in the earliest lesion to lymphocytes in the stablish lesion and to plasma cells in the advanced lesion
106
Q

which of the ff statements about inflammatory periodontal disease is most accurate?

  1. the periodontal lesion does not usually reveal a straight line progression; many patient reveal periods of active ds and period of remission.
  2. the inflammatory process is protective , but has a destructive component.
  3. plaque substances seen to be activate various host defense mechanisms
  4. there is strong relationship between immunopathology and the inflammatory destruction associated with periodontal ds
  5. all of the above are accurate satemtns
A
  1. all of the above are accurate satemtns
107
Q

which f thr statements about excessive occlusalforces is not accurate?

  1. excessive occlusal forces may damage the attachment apparatus
  2. damage asso. with excessive occlusal fores resuls in sterile necrosis
  3. the damage ass. with excessive occlual forces does not cause a loss of horizontal bone hieght.
  4. the damage ass. with excessive occlusal forces does not cause any alteraton i the soft tissue attachement of the tooth.
  5. the damage asso. with excessie occlusal forces is not reversible even when the excessive forces are eliminated.
A
  1. the damage asso. with excessie occlusal forces is not reversible even when the excessive forces are eliminated.
108
Q

which of theff statements concerning ulcerative lesions of the gingiva is correct?

  1. these lesion have the same pathogenesis as chronic inflammatory gingival ds
  2. these lesions are primarily caused by plaque products
  3. these lesions alter the resistance of the tissue to the plaque products
  4. these lesions have a different etiology, but the same pathogenesis as chronic inflammatory gingival ds
  5. these lesions have a different eiologyand pathogenesis from th chronic inflammatory gingival ds
A
  1. these lesions have a different eiologyand pathogenesis from th chronic inflammatory gingival ds
109
Q

which of the stements concerning epidemiology is not accurate?

  1. Epidemiology is concerned with the study of the disease stte of large populations
  2. in oder to conduct epidemiologic studies effectively, the development of indices has been necessary
  3. indices are the reduction of clinial observations to numerical values.
  4. PMA, PI, PDI are designations for commonly used periodontal indices.
  5. the fact that periodontal ds incidence is very high can be readly interpreted to mean that thhe need for active treatment is very high
A
  1. the fact that periodontal ds incidence is very high can be readly interpreted to mean that thhe need for active treatment is very high
110
Q

which of the ff statemetns concerning the results of the epidemiologic studies of periodontal disease is true?

  1. there is only a weak relationship between plaque, home care and gingivitis
  2. poor oral hygience does not seen to be a major factor in the prevalence and severity of gingivitis
  3. there is a strong relationship between plaque , home care ang gingivitis
  4. there is a strng relationship between plaque and destruction asso. with periodontitis
  5. there is strong correlation between severity of the sign of the inflammation and the amount of destruction asso. with periodontitis.
A
  1. there is a strong relationship between plaque , home care ang gingivitis
111
Q

which of the ffstatements is true of osseos surgery?

  1. reshaping of the bone is referred to as osteotomy or osteoplasty
  2. implantation of bone is referred to as ostectomy or osteoplasty
  3. implantation procedures are utilized with increasingly greater frequency since the surgical results are seasonable predictable.
  4. reshaping of bone should not be performed when the supporting bone will have to be removed to eliminate the defect
  5. bone swaging and osseous coagulum are ostectomy procedures
A
  1. reshaping of the bone is referred to as osteotomy or osteoplasty
112
Q

which of the ff statements concerning the prognosis of periodontal therapy is not accurate?

  1. prognosis depends heavily upon proper diagnosis and the therapist clinical experience
  2. prognosis is concerned with the ability to the practitioner to recognize or eliminate or control the factors causing periodontal ds
  3. the ability to correct the resultant damage of periodontal ds does not relate to prognosis
  4. the ability to achieve goals of a specific treatment plan determines a prognosis is good and guarde or hopeless
  5. the individual patients ability to maintainan adequate level of plaque control has great bearing upon the prognsis
A
  1. the ability to correct the resultant damage of periodontal ds does not relate to prognosis
113
Q

which of the ff statements regarding periodontal prognosis is true?

  1. the presence of a pseudo pocket makes the prognsis far more guaded than thee presence of a true periodontal pocket
  2. the pattern of bone loss does not affect the prognosis ,while the amount of bone loss definitely does.
  3. a distal maxillary molar furcation involvement has a poor prognosis because the acces of cleaning is poor.
  4. generally the wider and broader the roots, of the tooth, the poorer the prognosis.
  5. a younger person with severity of disease equivslent to that of an older person has a better prognosis tha latter.
A
  1. a distal maxillary molar furcation involvement has a poor prognosis because the acces of cleaning is poor.
114
Q

which of the ff statements concerning prognosis is true?

  1. A long-standing periodontal disease that progresses slowly has a poorer prognosis than a disease states that progresses more rapidly but it is of shorter duration
  2. if the cause offered on the disease is directly and clearly related to plaque, then the prognosis is much more favorable than it is in cases where the etiologic agent is not obvious
  3. Patient motivation on normal dexterity place only a minor role in the prognosis
  4. The overall prognosis is a less important consideration than the individual tooth prognosis
  5. The greater the need for a prosthesis following parental therapy, the better the prognosis
A
  1. if the cause offered on the disease is directly and clearly related to plaque, then the prognosis is much more favorable than it is in cases where the etiologic agent is not obvious
115
Q

Which of the following statements concerning treatment planning is not accurate

  1. Initial therapy is that phase of treatment where etiologic factors are removed or control
  2. The surgical phase of the treatment plan is in at correction of the damage to the periodontal structures resulting from periodontal disease
  3. The maintenance phase of the treatment plan is as important or more important than the active phase of the treatment plant
  4. Peruodontically treated patients should be kept in the maintenance phase for up to 6 months after treatment
  5. One of the most important aspects of the treatment plan is the removal of plaque and plaque control program
A
  1. Peruodontically treated patients should be kept in the maintenance phase for up to 6 months after treatment
116
Q

Primary occlusal traumatismcan be differentiated from secondary traumatism by which of the following

  1. Excessive occlusal forces in primary traumatism lead to mobility but in secondary traumatism they may lead to tooth wear
  2. Primary traumatism is more likely to occur in a patient with advanced periodontal disease than secondary traumatism
  3. Primary traumamatism can lead to insufficient stimulation of the period until ligament whereas in secondary traumatism there is excessive stimulation of the periodontal ligament
  4. Primary traumatism occurs in teeth with decreased bone support where a secondary traumatism occurs in teeth with normal bone support
  5. Misdirected or excessive occlusal forces in on at tooth with normal bone support may lead to primary traumatism and normal occlusal forces on a tooth cannot be withstand them because of decrease support may lead to secondary traumatism
A
  1. Misdirected or excessive occlusal forces in on at tooth with normal bone support may lead to primary traumatism and normal occlusal forces on a tooth cannot be withstand them because of decrease support may lead to secondary traumatism
117
Q

Predisposing factors have been described as those conditions which modify the host response to plaque. Which of the following factors may not be considered a predisposing factor?

  1. . hormonal imbalance
  2. Gingival enlargement
  3. Temporomandibular joint disorders
  4. Blood dyscrasia
  5. Inadequate nutrition
A
  1. Temporomandibular joint disorders
118
Q

Which of the following signs or symptoms bestest differentiates periodontitis from gingivitis

  1. The presence of pocket depth in excess of 3 mm
  2. The severity of gingival inflammation
  3. The presence of pocket depth where the epithelia attachment has migrated apicaly pass the cementoenamel junction with radiographic evidence of bone loss
  4. Radiographic evidence of a widening of periodontal ligament space
  5. The presence of gingival recession
A
  1. The presence of pocket depth where the epithelia attachment has migrated apicaly pass the cementoenamel junction with radiographic evidence of bone loss
119
Q

Juvenile periodontitis (periodontosis) is best described by which of the following statements

  1. Juvenile periodontitis is a rapidly advancing severe periodontitis in individuals of an adolescent age
  2. A diagnosis of juvenile periodontitis is a condition that always clearly manifest signs and symptoms of degenerative process
  3. Juvenile periodontitis is not associated with the presence or absence of bacterial microorganism
  4. Juvenile periodontitis never reveals any signs of suppuration or bleeding
  5. Juvenile periodontitis is best described as a rapidly advancing ulcerative conditions affecting the periodontium of younger individuals
A
  1. Juvenile periodontitis is a rapidly advancing severe periodontitis in individuals of an adolescent age
120
Q

Which of the following statements most accurately describe the plaque flora of individuals afflicted with juvenile periodontitis

  1. The fplaqueform in cases of juvenile periodontitis has been shown to calcify more rapidly
  2. The plaque form in cases of juvenile periodontitis is believed to be identical to the plaque form with cases of adult periodontitis
  3. There is some evidence that the plaque form in the cases of juvenile periodontitis as it is associated with a floral that is different from the associated with adult periodontitis
  4. There is a little or no plaque form in cases of juvenile periodontitis
  5. The plaque formation associated with juvenile periodontitis is far more tenacious and more difficult to remove with standard homecare procedures
A
  1. There is some evidence that the plaque form in the cases of juvenile periodontitis as it is associated with a floral that is different from the associated with adult periodontitis
121
Q

Which of the following statements best describes the clinical appearance of desquamative gingivitis

  1. Desquamative gingivitis is a diffuse involvement of the gingiva where the epithelium tends to desquamate in patches living an expose underlying connective tissue base
  2. Desquamative gingivitis is characterized by the formation of discrete ulcers that tend to last up to two weeks
  3. Desquamative gingivitis reveals the formation of vesicles which tend to be rupture and leave a painful ulcerated surface
  4. Desquamative gingivitis is characterized by ulcerated soft-tissue craters in the tips of papillae
  5. Desquamative gingivitis reveals no clinically evident changes whoever patients general report a painful burning sensation in the gums
A
  1. Desquamative gingivitis is a diffuse involvement of the gingiva where the epithelium tends to desquamate in patches living an expose underlying connective tissue base
122
Q

When there is an elevated temperature associated with a suspected ANUGwhich of the following statements best describes a possible clinical significance of this finding

  1. With an elevation in temperature the disease entity is in a very advanced ate and antibiotic therapy should be constituted immediately
  2. When there is a temperature elevation with an ANUG or another disease entity( herpes) or as superimposed systemic infection should be suspected
  3. A temperature elevation is pathognomonic of ANUG
  4. When there is an elevation in temperature treatment of ANUG should be postponed
  5. When there is an elevation in temperature in ANUG local debridement should begin immediately
A
  1. When there is a temperature elevation with an ANUG or another disease entity( herpes) or as superimposed systemic infection should be suspected
123
Q

Which of the following statements is not correct sign of or symptoms of periodontal abscess

  1. There is a localized swelling of the gingiva
  2. There is an abnormal response to electric and thermal pulp testing
  3. Pain in the area of the abscess
  4. Tooth or teeth very sensitive to pressure
  5. Heavy deposits of subgingival calculus in the affected area
A
  1. There is an abnormal response to electric and thermal pulp testing
124
Q

Acute necrotizing ulcerative gingivitis is best described by which of the following statements

  1. ANUG is characterized by a sudden onset and is often associated with periods of psychologic stress
  2. ANUG is rarely seen in the adult population
  3. ANUG is characterized by the presence of discrete ulcers on the lips chicks or gingiva that persist for up to two weeks
  4. ANUG is often a precipitated by the manipulation of the oral tissues during dental treatment
  5. ANUG is often associated with patches of this committed tissue that has an extremely painful expose connective tissue surface
A
  1. ANUG is characterized by a sudden onset and is often associated with periods of psychologic stress
125
Q

Which of the following statements concerning treatment planning is not accurate

  1. Initial therapy is that phase of treatment where etiologic factors are removed or control
  2. The surgical face of the treatment plan is aimed at correction of the damage to the periodontal structures resulting from periodontal disease
  3. The maintenance phase of the treatment plan is as important or more important than the active phase of the treatment plant
  4. Period on tickly treated patients should be kept in the maintenance phase for up to 6 months after treatment
  5. One of the most important aspects of the treatment plan is the removal of plaque and plaque control program
A
  1. Period on tickly treated patients should be kept in the maintenance phase for up to 6 months after treatment
126
Q

Select from the following instruments which are correctly matched with their function in periodontal therapy

a. Ultrasonic instruments for sounding pocket depth
b. curretes for the cleansing of root surfaces
c. Fine scalers for the removal of subgingivall calculus
d. Explorer for the location of deposits on the teeth
1. A & b
2. a & c
3. c & d
4. a b and d
5. all of the above

A
  1. c & d