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PEDODONTICS & ORTHODONTICS > SET 2 > Flashcards

SET 2 Flashcards

1
Q

Diagnosis of ankylosis in primary molars

A

increase density of lamina dura radiographically

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2
Q

What age group is a space maintainer difficult to manage?

A

5 year old child with loss of primary mandibular second molar

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3
Q

For the retention form is Class III among maxillary teeth

A

lingual dovetail

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4
Q

Best time to treat diastema between 2 maxillary anterior teeth, if the result is a low and fan-shape frenum

A

until permanent canine erupt

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5
Q

Formocresol pulpotomy for healthy children is not a health hazard to them but caution should be observe for children who have _______

A

rheumatic fever or nephritis

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6
Q

An anatomic crossbite, contrasted with a functional crossbite usually demonstrate ________

A

smooth closure to centric occlusion

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7
Q

Absence of the dental lamina

A

congenital absence of the third molars

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8
Q

Most reasonable restoration for the grossly broken down anterior primary tooth

A

stainless steel crowns

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9
Q

Inhibits normal growth and development

A

dysplasia

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10
Q

As a generalist, you can perform the phases of orthodontics like:

A

prophylactic orthodontics

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11
Q

Maxillary width increases is greater than mandibular because ______

A

the maxillary alveolar process diverge while mandibular processes as are parallel

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12
Q

What changes in soft tissue profile are affected orthodontic treatment?

A

thickness of the upper lip

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13
Q

Uprighting of tooth is difficult if not slow in progress because ______

A

occlusion is not relieved

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14
Q

An understanding of the development of human behavior requires a knowledge of the basic concept of ______

A

maturation and learning

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15
Q

Active growth sites of the maxilla

A

fronto-nasal process
maxillary tuberosity
midpalatal and transpalatal suture

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16
Q

Cause of crossbite in the maxillary permanent incisor

A

over retention of a maxillary primary incisor

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17
Q

Level of caries reduction that is associated with optimal fluoridation of community water supplies

A

55%

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18
Q

Premature exfoliation of the primary canine may indicate ______

A

arch length deficiency

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19
Q

Avitominosis A & D

A

systemic cause of malocclusion

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20
Q

Causes of ectopic or delayed eruption of permanent teeth in the anterior segment

A

teeth migration
presence of supernumerary teeth
premature loss of primary teeth

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21
Q

Example of simple anchorage

A

diastema closure by elastic fraction tipping the crowns together

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22
Q

In order to restore the original broad and flat contact in primary molars, the class 11 matrix material should be placed with ________

A

greater curvature that in the permanent

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23
Q

Microorganism commonly found in delta caries

A

streptococci mutans and lactobacillus

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24
Q

Fundamental design of the human masticatory mechanism

A

geodesic design

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25
Q

Growth in height of the face results in _______

A

an increase in vertical dimension

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26
Q

Advantage in the use of extraoral anchorage

A

permits posterior movement of teeth in one arch without disturbing the opposite arch

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27
Q

Other name for Franfurt horizontal plane

A

eye-ear plane

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28
Q

A 7 year old patient demonstrates unilateral buccal crossbite in centric occlusion, deviation of the mandibular midline, bilateral constriction of the maxillary arch and a lateral deviation from centric relation to centric occasion. What is the most likely treatment for this case?

A

bilateral palatal extension

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29
Q

Process of resorption of the roots of the primary teeth is confined to the ______

A

any part and/or surface of the roots

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30
Q

A primary second molar is in infraocclusion and its occlusal surface is level with the gingival margin of the permanent first molar which is beginning to tip mesially. Radiographs indicate a developing permanent second premolar is present. The dentist should:

A

extract the primary molar and place a space maintainer

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31
Q

Simple anterior crowding may be corrected by _______

A

disking or stripping the medial or distal surfaces of the anterior

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32
Q

A model cast would give the ff information EXCEPT:

a) arch, shape and symmetry of the maxillary mandible
b) an individual tooth malposition
c) depth of the palatal vault
d) inclination of the roots

A

d) inclination of the roots

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33
Q

Cleidocranial dysostosis is of interest of the dentist because of __________

A

multiple supernumerary teeth

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34
Q

What appliance should not be used to upright a permanent mandibular second molar before constructing a fixed partial denture?

A

acrylic removable segment with facial elastics

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35
Q

Rectangular wire is used in orthodontics appliances in order to ________

A

prevent buccal and lingual tooth movement

36
Q

Sequence of histologic changes after pulpotomy

  1. new odontoblastic layer at wound site
  2. bridge of denim formed
  3. necrosis of superficial part of pulp nearest calcium hydroxide
  4. acute inflammatory changes from immediate tissue beneath
A

3-4-1-2

37
Q

Most prevalent group of malocclusion Angle classification

A

Class I

38
Q

Following premature loss of the primary second molars unerupted first molar will migrate and cause space loss in the _______

A

maxilla or mandible

39
Q

In absolute necessity, the role is _________

A

take time in explaining the procedure of dental treatment he needs

40
Q

Growth may result in the following EXCEPT

a) continuous increase in size
b) change in form or proportion
c) change in texture or in quantity
d) increase or decrease in size

A

a) continuous increase in size

41
Q

Treatment for a child with open bite. The posterior teeth are the only ones that contact the antagonist

A

refer the child to an orthodontist

42
Q

During the primary dentition, pseudo Class III is managed by orthodontic forces EXCEPT

a) manual movement
b) headcap and chincap
c) tongue blade therapy
d) skullcap and chincap

A

a) manual movement

43
Q

What part of the primary molar will fracture in Class II restoration?

A

isthmus

44
Q

The last primary teeth to undergo resorption of the roots at nine years

A

canines

45
Q

A 14 year old female has deep vertical pockets with bone loss on the mesial aspect of first molars and some drifting of maxillary incisor. However, only minimal inflammation and minimal plaque are present. What is the probable diagnosis?

A

juvenile periodontitis

46
Q

A mother brings her daughter to the dental office for dental treatment. Clinical examination reveal normal occlusion after losing a primary mandibular second molar. What must the dentist do?

A

evaluate the radiograph and base his treatment with high findings

47
Q

What is the best space maintainer?

A

a pulpotomized primary molars

48
Q

Purpose of Synder test

A

predict the nature of the combined acidogenic organisms in the oral cavity

49
Q

Essential criteria for orthodontic diagnosis

A

radiographic analysis
cast analysis
clinical examination

50
Q

What condition is present in a Class II Division 2 malocclusion?

A

lingual inclination of maxillary central incisor

51
Q

Loss of space is most rapid following the premature extraction of what primary teeth?

A

maxillary second molar

52
Q

Treatment of root fractures in primary dentition

A

extraction

53
Q

As an orthodontist, how will you treat a child with a slight crowding of mandibular anterior and exfoliation of primary molar teeth?

A

take an impression
prepare and study cast
make an arch length analysis

54
Q

Best diagnostic tool to identify the offending tooth in children with dental pain and multiple carious teeth

A

ask the patient to identify the tooth

55
Q

Loss of space if most rapid premature extraction of what primary teeth?

A

maxillary second molar

56
Q

Behavioral problem in children can be managed by familiarization if the basis of the problem is ________

A

fear

57
Q

Dental restoration involving the proximal surfaces in the primary dentition, particularly molars, should restore the full mesiodistal diameter for __________

A

maintenance of arch length

58
Q

Why do boys and girls differ in behavior in the dental office? What is related to this difference?

A

learning

59
Q

What indicates an anterior crossbite in primary dentition?

A

skeletal growth problem

60
Q

Primary molars demand extension of the preparation to remove potentially carious areas by following the ________

A

occlusal groove patterns

61
Q

To reduce the length of the body of the mandible by surgery if it is _________

A

the treatment plan for a Class III malocclusion

62
Q

Slow progress in molar uprighting is usually due to __________

A

occlusion not being relieved

63
Q

Will there be a change in the size of the intercanine space if the primary masriiar/central incisor with incisal spring be extracted?

A

no change will occur in the size of intercanine space

64
Q

When is the distal shoe space maintainer indicated?

A

when a primary second molar is lost before eruption of a permanent first molar

65
Q

Favorable results can be obtained when treating anterior crossbite if __________

A

proper space in the arch is present where to move teeth in their proper relationship witht he otherst

66
Q

General facial profile of an infant

A

convex

67
Q

Teeth will move occlusally when it reaches stage of Noila’s classification

A

Stage 6

68
Q

What criteria will differentiate between a true class III and a pseudo class III malocclusion?

A

the presence of a forward shift of the mandible during closure

69
Q

Shell teeth is associated with developmental disturbance in _________

A

structural formation

70
Q

Most important dental tissue to an orthodontist

A

periodontal ligament

71
Q

Why are band loop space maintainer not indicated for premature loss of primary second molar?

A

normal eruption sequence is disturbed following extraction and space loss occurs ff premature eruption of the second premolars and removal of the band and loop

72
Q

Interceptive orthodontics is prescribed to collect crowding or incisors which is done by serial extraction of what teeth?

A

deciduous canines, deciduous first molars, including first premolars

73
Q

A modified class III preparation for an amalgam restoration in a primary canine is characterized by its __________

A

facial or lingual dovetail

74
Q

Characteristics of juvenile diabetes mellitus

A

blindness

75
Q

An archal dimension completed earlier among girls at age 10 the in boys

A

intercanine width

76
Q

Prognosis ff fracture of the root of a permanent maxillary incisor is most favorable if the fracture is in the _________

A

apical third of the root

77
Q

A poor man’s cephalogram refers to facial evaluation because of, EXCEPT

a) skeletal jaw relationship can be observed
b) posterior crossbites are revealed
c) jaw to jaw relation can be identified
d) mandibular protrusion can be detected

A

b) posterior crossbites are revealed

78
Q

Loops and helices are used in arch wires primarily to __________

A

holds soft tissues away from orthodontic brackets

79
Q

Buccal coil spring have its undesirable side effects such as _________

A

tendency of premolar to rotate

80
Q

Complete excavation or decay on a Class I cavity of a deciduous molar, the pulp was exposed. Following pulpotomy using calcium hydroxide to treat the remaining pulp, dentin will form ____________

A

slightly below the amputated pulp

81
Q

When avulse tooth is replanted, the following are correct EXCEPT

a) hard scrubbing should be avoided to preserve periodontal membrane
b) curette lie alveolar socket before insertion
c) 90% successful if avulsion occurs less than 30 minutes
d) don’t remove loose tissue

A

b) curette lie alveolar socket before insertion

82
Q

What changes in soft tissue profile are effected by orthodontic treatment?

A

thickness of upper lip

83
Q

What effect will office dental prophylaxis at regular 6 month intervals have on children’s oral health?

A

provide a short-term improvement in oral hygiene

84
Q

What primary teeth are most severely involved with nursing caries?

A

maxillary incisors

85
Q

Cause or failure in Class II amalgam restorations in primary molars

A

narrow isthmus which eventually can fracture

86
Q

Attempt to restrain the excessive growth and development forward of the maxilla if it is __________

A

for Class II malocclusion the treatment stated below

PEDODONTICS & ORTHODONTICS (4 decks)

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