Lecture 1 Flashcards

1
Q

Surface condition code for partial sealant:

A

1

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2
Q

Surface condition code for stainless steel crown:

A

5

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3
Q

Surface condition code for provisional restoration:

A

8

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4
Q

Surface condition code for a tooth that is not restored or sealed:

A

0

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5
Q

Surface condition code for a full sealant:

A

2

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6
Q

Surface condition code for amalgam restoration:

A

4

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7
Q

Surface condition code for lost or fractured restoration:

A

7

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8
Q

Surface condition code for metal or ceramic crowns and veneers:

A

6

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9
Q

Surface condition code for tooth colored restorations:

A

3

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10
Q

The first code is _____ and the second code is _______.

A

surface condition, caries code

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11
Q

Caries code for a sound tooth, no evidence of caries after air drying the tooth for five seconds

A

0

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12
Q

Caries code for a tooth with:

  • First visual change in enamel
  • Seen ONLY AFTER AIR DRYING for 5 sec
A

1

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13
Q

Caries code for a tooth with:

  • distinct visual change in enamel
  • see on WET OR DRY TOOTH SURFACE
  • presents as white opacity or brown discoloration
  • Lesion base is wider than pit and fissure area
A

2

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14
Q

Main coding system we focus on in video:

A

ICDAS

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15
Q

This type of caries is difficult to see in the wet condition:

A

1

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16
Q

The lesions are wider than the pit and fissures in this type of caries:

A

2

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17
Q

Caries code for a tooth with:

  • Localized ENAMEL BREAKDOWN due to carries with NO VISIBLE DENTINE
  • Presents as white opacity or brown discoloration when wet
  • Drying and gently examining with ball-end probe confirms the surface discontinuity of enamel:
A

3

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18
Q

This caries code codes for a tooth with the first sign of enamel breakdown:

A

3

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19
Q

Caries of this code have no underlying shadow:

A

3

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20
Q

Caries code for a tooth with underlying discolored DENTINAL SHADOW (gray, blue, brown) through enamel:

A

4

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21
Q

Caries code for a tooth with a distinct cavity with VISIBLE DENTINE and a lesion that extends LESS THAN HALF of the tooth surface

A

5

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22
Q

Caries code for a tooth with EXTENSIVEC distinct cavity with visible dentine and that extends MORE THAN HALF of the tooth surface:

A

6

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23
Q

Father of Operative Dentistry:

A

G V Black

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24
Q

What is Blacks Classifiction of Caries based on?

A

intended operative outcome, cavitated lesions only, not non-cavitated bc there was no preventative dentistry

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25
Q

Class I:

A

Affecting pits and fissures of posterior tooth, lingual pits of anterior tooth

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26
Q

Class II:

A

Proximal surface of posterior teeth involving 2 or more surfaces

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27
Q

Class III:

A

Proximal surface of anterior teeth without involving the incisal edge

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28
Q

Class IV:

A

Proximal surface of anterior teeth involving incisal edge

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29
Q

Class V:

A

Cervical 1/3 of the facial surface of tooth, gingival 1/3 of the lingual surface of the tooth

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30
Q

Class VI:

A

incisal edge of anterior tooth, cusp tip of posterior tooth

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31
Q

Year that Blacks classification system came out:

A

1896 - no preventative dentistry, not addressing non-cavitated legions

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32
Q

American Dental Assoc Caries Classification System:

A

Includes non-cavitated legions and cavitated

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33
Q

4 groups w/in ADA Caries Classification System:

A

Sound
Initial
Moderate
Advanced

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34
Q

Which Black Classifications are categorized under the sound group of the ADA Caries Classification System?

A

Class 0

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35
Q

Which Black Classifications are categorized under the initial group of the ADA Caries Classification System?

A

Class I and Class II

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36
Q

Which Black Classifications are categorized under the moderate group of the ADA Caries Classification System?

A

Class III and Class IV

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37
Q

Which Black Classifications are categorized under the advanced group of the ADA Caries Classification System?

A

Class V and Class VI

38
Q

T or F? We typically see infected dentine in the initial lesion.

A

F. Typically do not see infected dentine

39
Q

Moderate demineralized dentine and possibly infected dentin is found in this category of the ADA Caries Classification System:

A

Moderate

40
Q

This group shows infected dentine:

A

Advanced

41
Q

Dental caries is localized _____ dissolution of tooth surface.

A

chemical

42
Q

Dental caries is caused by:

A

acid produced from metabolic actions of cariogenic bacteria in biofilm or dental plaque

43
Q

2 most cariogenic bacteria:

A

Streptococcus mutans and Streptococcus sobrinus

44
Q

6 cariogenic bacteria:

A
Streptococcus mutans
Streptococcus sobrinus
Streptococcus sanguis
Streptococcus salivarius
Lactobacilius
Actinomyces
45
Q

composition of biofilm:

A

bacteria, their byproduct, extra-cellular matrix and water

46
Q

When does acquired pellicle formation occur in biofilm formation?

A

30min-1hr

47
Q

When does a cocci covering surface formation occur in biofilm formation?

A

12 hrs - 1 day

48
Q

When does filamentous bacteria formation occur in biofilm formation?

A

1-3 days

49
Q

When does a complex colony of cocci and filamentous bacteria occur in biofilm formation?

A

1 wk

50
Q

When do “corn cobs” occur in biofilm fomration?

A

3 wks

51
Q

What forms the pellicle?

A

salivary glycoproteins

52
Q

function of the pellicle:

A

helps bacteria attach to tooth surface

53
Q

To where does filamentous bacteria attach?

A

to the cocci (i.e., streptococci)

54
Q

What is required for metabolic activity when a thick biofilm is present?

A

carbs

55
Q

metabolically produced acids start demineralization after how long after accumulation of biofilm?

A

2 days

56
Q

This model is used to model the factors controlling caries:

A

Keyes’ Triad

57
Q

According to Keyes’ Triad, what is required for the formation of caries?

A

Host (tooth surface) and teeth, microflora (bacteria) , and substrate (fermentable carb) or diet - all 3

58
Q

Strictly biological model of caries formation:

A

Keyes’ Triad

59
Q

4 major additional factors beyond Keyes’ Triad affecting the formation of caries:

A

salivary flow
buffering capacity
sugar clearance rate
socio-behavioral factors

60
Q

Model of factors controlling caries that includes all of Keyes’ factors as well as numerous additional:

A

Fejerskov and Manji Model - 1990
attitude, behavior, social class, income, education, knowledge, salivary composition, fluoride, diet, microbial species, salivary flow, buffering capacity, sugar clearance rate, socio-behavioral factors

61
Q

Why does more salivary flow help prevent cavity formation?

A

it washes the acidity away

62
Q

Would we prefer to have a high or low buffering capacity of our saliva?

A

high

63
Q

how does an increased sugar clearance rate help prevent caries formation?

A

lowers microbial metabolism bc the bacteria won’t have the required nutrients

64
Q

T or F? Both salivary composition and flow rate can vary.

A

T

65
Q

Instruments for caries exam:

A

mirror, explorer, perio brobe

66
Q

T or F? Teeth should be wet for the caries exam.

A

F. Dry

67
Q

Example of pattern to always follow while examining each tooth:

A

O, B, L, M, D

68
Q

T or F? The tip of the explorer should be used to remove the biofilm that has accumulated on the tooth structure.

A

F. The side of a sharp explorer

69
Q

T or F? During the caries exam you should poke or stick the sharp edge of the explorer into the pit and fissure.

A

F

70
Q

What could happen if you used the sharp explorer in the caries exam?

A

non-cavitated lesion may be turned cavitated

71
Q

Addition exam aid

A

Fiberoptic transillumination (FOTI)

72
Q

At what angle should the FOTI be placed against the contact points of the teeth?

A

45’

73
Q

What color light is used with FOTI?

A

white

74
Q

What absorbs and scatters more light, the carious legion or sound enamel/dentin?

A

carious legion, creating a shadow

75
Q

How to do exam bw 2 adjacent teeth that are very tight:

A

orthodontic elastic separator are placed for 2-3 days

76
Q

Limitations to placing orthodontic elastic separators

A

pt discomfort and additional appt.

77
Q

Caries are diagnosed as _______ areas on radiographs.

A

radiolucent

78
Q

Major Caries Lesion Detection Systems:

A
WHO (1979)
WHO basic
NIDRC/ NHANES
BASCD
NYVAD et al
ICDAS
79
Q

This Caries Lesion Detection Systems is (used with?) incipient lesions and Frank lesions:

A

NIDRC/ NHANES

80
Q

This Caries Lesion Detection Systems is (used with?) arrested decay, caries in dentine, and decay with plural involvement:

A

BASCD

81
Q

This Caries Lesion Detection Systems is (used with?) inactive lesion with intact surface, surface discontinuity, cavity ; active lesion with intact surface discontinuity, cavity:

A

NYVAD

82
Q

ICDAS stands for:

A

International Caries Detection and Assessment System

83
Q

T or F? ICDAS is used only for non-cavitated teeth.

A

F. Both caveated and non-cavitated

84
Q

How many stages of caries extension are there?

A

6

85
Q

The use of a sharp explorer can cause ____ defects on _______ lesions.

A

iatrogenic, incipient

86
Q

How should you explore incipient lesions?

A

with the ball-end of a perio probe

87
Q

What does a tooth that has a partial sealant look like?

A

??

88
Q

PFM crown, ceramic crowns and veneers are coded as what for surface condition?

A

6

89
Q

How would you classify a carious legion bw 2 adjacent posterior teeth that does not cover 2 surfaces?

A

Is this even possible?

90
Q

Another name for early carious legion:

A

non-cavitated legion

91
Q

How many groups is the ADA classification system broken down to?

A

4