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Operative Dentistry > Cariology > Flashcards

Cariology Flashcards

1
Q

Classification according to anatomical site or location:
Occurs on occlusal surface of posterior teeth and buccal

Lingual surfaces of molars and on lingual surface of maxillary incisors

A

Pit and fissure caries

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2
Q

Classification according to anatomical site or location:
Occurs on gingival third of buccal and lingual surfaces and on proximal surfaces

A

Smooth surface caries

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3
Q

Classification according to anatomical site or location:
When the lesion starts at the exposed root cementum and dentin

A

Root caries

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4
Q

Classification according to whether it is a new lesion or recurrent carious lesion:
Denotes lesions on the unrestored surfaces

A

Primary caries

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5
Q

Classification according to whether it is a new lesion or recurrent carious lesion:
Occurs at the junction of a restoration and the tooth and may progress under the restoration

A

Secondary caries/ Recurrent caries

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6
Q

Classification according to whether it is a new lesion or recurrent carious lesion:
Left either intentionally or accidentally during cavity preparation

A

Residual caries

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7
Q

Classification according to the activity of carious lesion:
A progressive lesion is described as an

A

Active carious lesion

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8
Q

Classification according to the activity of carious lesion:
A lesion that may have formed earlier and then stopped is referred to as an

A

Inactive carious lesion/ Arrested carious lesion

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9
Q

Classification according to the activity of carious lesion:
Characterized by a large open cavity which no longer retains food and becomes self-cleansing

A

Inactive carious lesion/ arrested carious lesion

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10
Q

Classification according to speed of caries progression/rapidity of progress:
Common among young adults and children because of wide open dentinal tubules

A

Acute caries/ Rampant caries

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11
Q

Classification according to speed of caries progression/rapidity of progress:
Common characteristic is pain because of the early involvement of the pulp

A

Acute caries/ Rampant caries

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12
Q

Classification according to speed of caries progression/rapidity of progress:
Less painful because it has no longer opening resulting to less food retention; greater washing action of saliva is possible

A

Chronic caries/ Arrested caries

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13
Q

Classification according to speed of caries progression/rapidity of progress:
Caries which become stationary/ static showing no sign of further progress

A

Chronic caries/ Arrested caries

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14
Q

Classification according to speed of caries progression/rapidity of progress:
Occurs usually due to poor oral hygiene and taking frequent cariogenic snacks and sweet drinks between meals

A

Rampant caries

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15
Q

Classification according to speed of caries progression/rapidity of progress:
A name given to multiple active carious lesions occurring in the same patient, frequently involving surfaces of teeth that are usually caries free

A

Rampant caries

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15
Q

Classification according to pathway of caries spread:
When the spread of caries along the DEJ exceeds the caries in the contiguous enamel, caries extends into this enamel from the junction

A

Backward caries

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15
Q

Classification according to pathway of caries spread:
Whenever the caries cone in enamel is larger or at least the same size as that in dentin

A

Forward caries

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16
Q

Classification according to the extent of caries/severity:
Presence of white spot lesion

A

Incipient caries/ Reversible

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17
Q

Classification according to the extent of caries/severity:
It involves less than half the thickness of enamel

A

Incipient caries

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18
Q

Classification according to the extent of caries/severity:
It involves more than half of the thickness of enamel, but does not involve dentinoenamel junction

A

Moderate caries

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19
Q

Classification according to the extent of caries/severity:
It involves the dentinoenamel junction and less than half distance to pulp cavity

A

Advance caries

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20
Q

Classification according to the extent of caries/severity:
Involves more than half distance to pulp

A

Severe caries

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21
Q

Radiographic caries classification:
No visible radiographic lesion

A

E0

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22
Q

Radiographic caries classification: Lesion in outer one-half of enamel

A

E1

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23
Q

Radiographic caries classification:
Lesion in inner one-half of enamel

A

E2

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24
Q

Radiographic caries classification:
Lesion in outer third of dentin

A

D1

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25
Q

Radiographic caries classification:
Lesion in middle third of dentin

A

D2

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26
Q

Radiographic caries classification:
Lesion in inner third of dentin

A

D3

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27
Q

Classification according to the no. of tooth surfaces involved:
Caries involving only one tooth surface

A

Simple caries

28
Q

Classification according to the no. of tooth surfaces involved:
If two surfaces are involved

A

Compound caries

29
Q

Classification according to the no. of tooth surfaces involved:
If more than two surfaces are involved

A

Complex caries

30
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Pit and fissure caries occur in the occlusal surfaces of premolars and molars, the occlusal two third of buccal and lingual surface of incisors

A

Class I

31
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Caries in the proximal surface of premolars and molars

A

Class II

32
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Caries in the proximal surface of anterior teeth (incisors and canines) and not involving the incisal angles

A

Class III

33
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Caries in the proximal surface of anterior teeth also involving the incisal angles

A

Class IV

34
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Caries on gingival third of facial and lingual or palatal surfaces of all teeth

A

Class V

35
Q

Classification according to G.V. Black’s caries classification/ Based on treatment and restoration design:
Caries on incisal edges of anterior and cusp tips of posterior teeth without involving any other surface

A

Class VI

36
Q

Zone of incipient enamel caries that is the deepest portion of carious lesion, advancing part of lesion

A

Zone I - Translucent Zone

37
Q

Zone of incipient enamel caries wherein voids are present when exposed to polarized light, they reflect giving a translucent appearance

A

Zone I - Translucent Zone

38
Q

Zone of incipient enamel caries that has a pore volume of 1% or 10X of sound enamel

A

Zone I - Translucent Zone

39
Q

Zone of incipient enamel caries that is also called the positive zone

A

Zone II - Dark Zone

40
Q

Zone of incipient enamel caries that does not transmit polarized light

A

Zone II - Dark Zone

41
Q

Zone of incipient enamel caries that is formed due to demineralization

A

Zone II - Dark Zone

42
Q

Zone of incipient enamel caries that has a pore volume of 2-4%

A

Zone II - Dark Zone

43
Q

Zone of incipient enamel caries that is the largest portion of incipient caries

A

Zone III - Body of Lesion

44
Q

Zone of incipient enamel caries where most formation of voids is found because of the dissolution of the content

A

Zone III - Body of Lesion

45
Q

Zone of incipient enamel caries that is the greatest area of demineralization

A

Zone III - Body of Lesion

46
Q

Zone of incipient enamel caries that has a pore volume of 5-25%

A

Zone III - Body of Lesion

47
Q

Zone of incipient enamel caries that is fully intact because surface is harder than subsurface enamel

A

Zone IV - Surface of the Lesion

48
Q

Zone of incipient enamel caries that is not or least affected by caries

A

Zone IV - Surface of the Lesion

49
Q

Zone of incipient enamel caries that has greater resistance probably due to greater degree of mineralization and greater fluoride concentration

A

Zone IV - Surface of the Lesion

50
Q

Zone of incipient enamel caries where its pore volume is <5%

A

Zone IV - Surface of the Lesion

51
Q

Zone of dentinal caries that is the zone of fatty degeneration of Tome’s Fibers

A

Zone 1 - Normal Dentin

52
Q

Zone of dentinal caries that is formed by degeneration of the odontoblastic process

A

Zone 1 - Normal Dentin

53
Q

Zone of dentinal caries wherein dentin is normal and produces sharp pain on stimulation

A

Zone 1 - Normal Dentin

54
Q

Zone of dentinal caries wherein intertubular dentin is demineralized

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin)

55
Q

Zone of dentinal caries where dentinal sclerosis, i.e. deposition of calcium salts in dentinal tubules take place

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin)

56
Q

Zone of dentinal caries where damage to the odontoblastic zone process is apparent

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin)

57
Q

There are no bacteria in this zone of dentinal caries. Hence, this zone is capable of remineralization

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin)

58
Q

Zone of dentinal caries where there is further demineralization of intertubular dentin leading to softer dentin

A

Zone 3 - Zone of Decalcification of Dentin (Transparent Dentin)

59
Q

No bacteria is present in this zone of dentinal caries

A

Zone 3 - Zone of Decalcification of Dentin (Transparent Dentin)

60
Q

This zone of dentinal caries is capable of self-repair

A

Zone 3 - Zone of Decalcification of Dentin (Transparent Dentin)

61
Q

There is widening and distortion of the dentinal tubules which are filled with bacteria in this zone of dentinal caries

A

Zone 4 - Zone of Bacterial Invasion (Turbid Dentin)

62
Q

In this zone of dentinal caries, dentin is not self-repairable because of less mineral content and irreversibly denatures collagen

A

Zone 4 - Zone of Bacterial Invasion (Turbid Dentin)

63
Q

These zones of dentinal caries should be removed during tooth preparation

A

Zone 4 - Zone of Bacterial Invasion (Turbid Dentin) and Zone 5 - Zone of Decomposed Dentin Due to Acids and Enzymes (Infected Zone)

64
Q

This is the outermost zone of dentinal caries

A

Zone 5 - Zone of Decomposed Dentin Due to Acids and Enzymes (Infected Zone)

65
Q

This zone of dentinal caries consists of decomposed dentin filled with bacteria

A

Zone 5 - Zone of Decomposed Dentin Due to Acids and Enzymes (Infected Zone)

66
Q

Infected dentin

A

Zone 4 - Zone of Bacterial Invasion (Turbid Dentin) and Zone 5 - Zone of Decomposed Dentin Due to Acids and Enzymes (Infected Zone)

67
Q

These zones are significantly discolored and can be removed by excavators, stained with caries detector, and need to be removed unless judged to be within 0.5mm of pulp

A

Zone 4 - Zone of Bacterial Invasion (Turbid Dentin) and Zone 5 - Zone of Decomposed Dentin Due to Acids and Enzymes (Infected Zone)

68
Q

Affected dentin

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin) and Zone 3 - Zone of Decalcification of Dentin (Transparent Dentin)

69
Q

These zones are softened, demineralized dentin that is not yet invaded by bacteria, not significantly discolored, feels hard already, and are capable of remineralization

A

Zone 2 - Zone of Dentinal Sclerosis (Subtransparent Dentin) and Zone 3 - Zone of Decalcification of Dentin (Transparent Dentin)

Operative Dentistry (5 decks)

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