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Dental Hygiene > Dent 1010 T#2 > Flashcards

Dent 1010 T#2 Flashcards

1
Q

Extrinsic stain that can become an EXOGENOUS INTRINSIC stain due to DEMINERALIZATION:
A) Yellow
B) Black
C) Green

A

C) Green

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2
Q

Mature (14-21 DAYS) bacterial plaque has the following microorganisms:
A) Rods and cocci
B) Vibrios and spirochetes
C) Lactobacillus and filamentos

A

B) Vibrios and spirochetes

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3
Q

The only ACELLULAR soft deposit is:
A) Materia alba
B) Pellicle
C) Calculus

A

B) Pellicle

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4
Q

The following are factors INCREASING plaque accumulations EXCEPT:
A) Crowded teeth
B) Carious lesions
C) Smooth surfaces

A

C) Smooth surfaces

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5
Q

A pocket formed by GINGIVAL ENLARGEMENT without apical migration of the junctional epithelium is which of the following?
A) Absolute pocket
B) Pseudopocket
C) Periodontal pocket

A

B) Pseudopocket

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6
Q

The source of minerals for SUBGINGIVAL calculus is:
A) Saliva
B) Blood
C) Gingival sulcular fluid

A

C) Gingival sulcular fluid

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7
Q

Which of the following structures is NONKERATINIZED?
A) Hard palate
B) Interdental papillae
C) Sulcular epithelium

A

C) Sulcular epithelium

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8
Q

Caries that progress very RAPIDLY and can result in PULP involvement:
A) Arrested
B) Chronic
C) Acute

A

C) Acute

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9
Q

Decay located UNDERNEATH a restoration is classified as:
A) Acute
B) Chronic
C) Recurrent

A

C) Recurrent

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10
Q

BLACK-LINE stains have the following characteristics EXCEPT:
A) Highly retentive
B) Prominent in females
C) Poor oral hygiene

A

C) Poor oral hygiene

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11
Q

The DEPRESSION between the lingual and facial papillae that conforms with the proximal CONTACT area is termed:
A) Col
B) Papillae
C) Embrasure

A

A) Col

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12
Q

EARLY bacterial biofilm is associated with
A) Gram-positive cocci and rods
B) Gram-negative filamentous forms
C) Anaerobic microflora

A

A) Gram-positive cocci and rods

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13
Q 
Bacterial BIOFILM causesL
A) Caries
B) Periodontal disease
C) Gingivitis
D) All of the above
A

D) All of the above

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14
Q

A pocket in which the base of the pocket is below or APICAL to the CREST OR THE ALVEOLAR BONE is called a:
A) Suprabony pocket
B) Infrabony pocket
C) Occlusabony pocket

A

B) Infrabony pocket

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15
Q

Which one of the following micro-organisms has been implicated in the dental caries process mainly as INITIATORS?
A) Streptococcus salivarius
B) Streptococcus mitis
C) Streptococcus mutans

A

C) Streptococcus mutans

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16
Q

A mesial cavity in a PREMOLAR tooth is an example of a:
A) Class I restoration
B) Class II restoration
C) Class III restoration

A

B) Class II restoration

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17
Q

NARROW SLIT like areas of gingival recession over the roots of teeth are know as:
A) Clefts
B) Craters
C) Festoons

A

A) Clefts

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18
Q

All of the following describe SUPRAGINGIVAL calculus EXCEPT:
A) Its nutrients sources are gingival crevicular fluid and inflammatory exudate
B) Its color can vary depending on agents that pigment it
C) It’s commonly located on the facial of maxillary molars

A

A) Its nutrients sources are gingival crevicular fluid and inflammatory exudate

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19
Q 
Which of the following local factor(s) are implicated in the ETIOLOGY of periodontal disease?
A) Calculus
B) Mouth breathing
C) Tooth malposition
D) Faulty restorations
E) All of the above
A

E) All of the above

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20
Q

The ATTACHMENT APPARATUS includes all of the following periodontal tissues EXCEPT:
A) Dental pulp
B) Periodontal ligament
C) Cementum

A

A) Dental pulp

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21
Q

Clinically, the LABIAL ATTACHED GINGIVA is identified coronally by the free gingival groove and apically by the:
A) Lamina dura
B) Basal lamina
C) Mucogingival junction

A

C) Mucogingival junction

22
Q

Gingival recession is a RISK factor for all of the following EXCEPT:
A) Occlusal caries
B) Loss of cementum
C) Loss of tooth structure

A

A) Occlusal caries

23
Q

The most plentiful INORGANIC component of CALCULUS is:
A) Magnesium phosphate
B) Calcium phosphate
C) Hydroxyapatite

A

C) Hydroxyapatite

24
Q

The two EARLIEST signs of gingival inflammation preceding established gingivitis are:
A) Increased collagen fibers and vascularity
B) Increased gingival fluid and bleeding on probing the sulcus
C) Gingival recession and increased bleeding on probing the sulcus

A

B) Increased gingival fluid and bleeding on probing the sulcus

25
Q

An ENLARGEMENT of the marginal gingiva with the formation of a LIFESAVER-LIKE gingival prominence is:
A) Stillman’s crest
B) McCall’s festoon

A

B) McCall’s festoon

26
Q
  1. “White spot” or INCIPIENT caries lesions may be visualized by drying the tooth in question.
  2. These lesions may be REMINERALIZED.k
    A) The first statement is true, and the second statement is false
    B) The first statement is false, and the second statement is true
    C) Both statements are true
    D) Both statements are false
A

C) Both statements are true

27
Q

The critical PH at which DEMINERALIZATION of the enamel occurs is:
A) 2.0
B) 5.5
C) 7.0

A

B) 5.5

28
Q

The principal site for the growth of spirochetes, fusobacteria, and other ANAEROBES is:
A) Supragingival dental plaque
B) The gingival margin
C) The gingival sulcus

A

C) The gingival sulcus

29
Q

The protocol of REMINERALIZATION inludes:
A) Fluoride
B) Chlorohexidine
C) Both A and B

A

C) Both A and B

30
Q

CAVITATION can be detected by:
A) Scratching the surface of areas with slight roughness
B) Using gentle air blasts to loosen biofilm
C) Bitewing radiographs for cavities in proximal surfaces

A

C) Bitewing radiographs for cavities in proximal surfaces

31
Q

DENTAL DECAY is dependent on the following, EXCEPT:
A) Host topography
B) Microorganisms
C) Age

A

C) Age

32
Q

Objectives for CARIES MANAGEMENT consists of:
A) Determining the patient’s restorative treatment needs
B) Determining the areas that require remineralization
C) Identifying risk factors
D) All of the above

A

D) All of the above

33
Q

The microorganism prevalent in JUVENILE PERIODONTITIS is:
A) AAA
B) ABC

A

A) AAA

34
Q

CLASS II FURCATION is characterized by:
A) Exposure of the root surface resulting from gingival recession
B) Probe passing from buccal to lingual between the roots
C) Probe enters but does not pass through furcation

A

C) Probe enters but does not pass through furcation

35
Q

Each of the following is a FUNCTION OF SALVIVA, EXCEPT:
A) The protective factors can balance or reverse the destruction of the tooth structure
B) Its buffering properties neutralize the acid produced by the bacteria
C) The minerals in the saliva an go back into the tooth for remineralization
D) One of the naturally occurring mineral components of saliva is fluoride

A

D) One of the naturally occurring mineral components of saliva is fluoride

36
Q

TRUE or FALSE

TETRACYCLINES are responsible for endogenous intrinsic stains.

A

True

37
Q

TRUE or FALSE

CLASS IV cavities are found in pits and fissures

A

False

38
Q

TRUE or FALSE

JUVENILE PERIODONTITIS is caused by impaired neutrophil function.

A

True

39
Q

TRUE or FALSE

A patient with DENTAL FLUOROSIS will tend to have less decay.

A

True

40
Q

TRUE or FALSE

Chewing gum containing XYLITOL has been shown to help the reversal of decalcification.

A

True

41
Q

TRUE or FALSE

FREQUENCY OF SUCROSE ingestion will have no bearing or effect on tooth decay.

A

False

42
Q

TRUE or FALSE

SUBGINGIVAL calculus is primarily related to the development and progression of periodontal disease.

A

True

43
Q

TRUE or FALSE

The JUNCTIONAL EPITHELIUM is not keratinized.

A

True

44
Q

TRUE or FALSE

CHLOROHEXIDINE can cause a brown stain.

A

True

45
Q

TRUE or FALSE

Patients having FIBROTIC GINGIVA do not have deep pockets.

A

False

46
Q

TRUE or FALSE

CAL is solely determined by the probing depth.

A

False

47
Q

TRUE or FALSE

Fluorosis causes an EXTRINSIC STAIN.

A

False

48
Q

TRUE or FALSE

PYROPHOSPHATE is present on patients that develop calculus quickly.

A

False

49
Q

TRUE or FALSE

CALCULUS can be dried by using the air/water syringe and looks chalky white.

A

True

50
Q

TRUE or FALSE

MATERIA ALBA can be removed by rinsing with water.

A

True

Dental Hygiene (15 decks)

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