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Dental Cariology > Dental Caries Classification And Squlae > Flashcards

Dental Caries Classification And Squlae Flashcards

1
Q

How many signs of dental caries we have?

A

5 signs

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2
Q

What are the signs of dental caries?

A
  1. Opaque enamel surface
  2. Rough tooth surface
  3. Discoloration
  4. Cavitation
  5. Hidden caries
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3
Q

What is the earliest evidence of caries?

A

White spot

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4
Q

How can u describe caries?

A

As an incipient lesion

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5
Q

What are the characteristics of the white spot lesion that is a result of caries?

A
  1. It is an incipient lesion
  2. Chalky white, opaque
  3. Partially or totally disappears visually when enamel is hydrated
  4. Has potential to remineralize
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6
Q

Based on what we classify dental caries?

A
  1. Classification according to site of caries
  2. Classification based on the extend of caries
  3. Classification based on the rate of the spread
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7
Q

What is blacks classification of dental caries?

A

It is a type of classification that classifies caries based on location

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8
Q

How many classes does blacks classification of dental caries has?

A

6 classes

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9
Q

What is class 1 blacks classification?

A

The caries occur in —> pit and fissure
1. Occlusal surfaces of molars and premolars
2. Buccal and lingual surfaces of molars
3. Palatal surface of anterior teeth

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10
Q

What is class 2 blacks classification?

A

Occurs in the smooth surfaces
In the proximal surfaces of the posterior teeth

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11
Q

What is class 3 blacks classification?

A

Smooth surface caries
Proximal surface of anterior teeth
No involvement of incisal angle

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12
Q

What is class 4 blacks classification?

A

They are smooth surface caries
Occur in the proximal surface of anterior teeth with involvment of incisal angle

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13
Q

What is class 5 blacks classification?

A

Cervical portions of teeth
Facial or lingual tooth surfaces

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14
Q

What is class 6 blacks classification?

A

Cavities occur in other areas of these:
Incisal edges of anterior teeth
Cusps of posterior teeth

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15
Q

What other ways we can classify according to site of caries?

A
  1. Pit and fissure caries: most common
  2. Smooth surface caries
  3. Root caries
  4. Recurrent caries ( secondary caries)
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16
Q

How can we classify based on the extend of caries

A
  1. incipient caries - early carious lesion
  2. Enamel caries
  3. Dentinal caries
  4. Cemental caries
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17
Q

How to classify based on the rate of spread

A
  1. acute caries
  2. chronic caries
  3. rampant caries
  4. Nursing caries
  5. Radiation caries
  6. arrested caries
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18
Q

describe acute caries

A
  1. soft
  2. yellow
  3. spread fast
  4. seen in children
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19
Q

describe chronic caries

A
  1. slow
  2. leathery
  3. brownish to black
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20
Q

describe rampant caries

A

involve almost all teeth

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21
Q

describe radiation caries

A

a form of rampant caries

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22
Q

Is there any criteria for visual examination of carious lesions?

A

“ICDAS” criteria for visual examination of carious lesions

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23
Q

How many scores ICDAS criteria for visual examination of carious lesions has?

A

0 to 6 scores

24
Q

what is score “0” of ICDAS criteria for visual examination of carious lesions ?

A

No or slight change in enamel translucency after prolonged air drying (for 5 seconds)

25
Q

what is score “1” of ICDAS criteria for visual examination of carious lesions ?

A

First visual change in enamel (seen only after prolonged air drying or restricted to within the confines of a pit or fissure)

26
Q

what is score “2” of ICDAS criteria for visual examination of carious lesions ?

A

Distinct visual changes in enamel

27
Q

what is score “3” of ICDAS criteria for visual examination of carious lesions ?

A

Localized enamel breakdown in opaque or discolored enamel (without visual signs of dentinal involvement)

28
Q

what is score “4” of ICDAS criteria for visual examination of carious lesions ?

A

underlying dark shadow from dentine

29
Q

what is score “5” of ICDAS criteria for visual examination of carious lesions ?

A

distinct cavity with visible dentine

30
Q

what is score “6” of ICDAS criteria for visual examination of carious lesions ?

A

extensive distinct cavity with visible dentine (involving more than half of the surface)

31
Q

what class of caries Is this according to blacks classification and why?

A

this is class 1
because it is located in pits and fissures

32
Q

what class of caries Is this according to blacks classification and why?

A

class 2
it is located on the smooth surfaces of caries

located in the –> proximal surfaces of posterior teeth

33
Q

This is a radiological image of which class of Black’s classification of caries?

A

class 2

34
Q

This is a radiological image of which class of Black’s classification of caries?

A

class 5 and 6

35
Q

This is a radiological image of which class of Black’s classification of caries?

A

class 3 and 4

36
Q

This is a radiological image of which class of Black’s classification of caries?

A

class 2

37
Q

This is a radiological image of which class of Black’s classification of caries?

A

class 1

38
Q

what are clinical manifestations of pulp disease?

A
  1. pain
  2. pulp hyperemia
  3. pain disappears after cessation of the stimulus
  4. Hyperalgesia
    5.Pulp hyperemia (reversible pulpitis)
  5. Acute pulpitis (irreversible pulpitis)
  6. sharp localized pain, outlasts the stimulus
  7. spontansous dull pain with exacerbations precipitated by external stimuli
  8. pulp necrosis
39
Q

Describe the clinical manifestations of pulp disease “pulp necrosis”?

A
  1. non-responsive to stimuli
  2. non-vital
  3. acute apical periodontitis
  4. chronic apical periodontitis
  5. tooth discoloration
40
Q

Describe the clinical manifestations of pulp disease “pulp hyperemia”?

A

is reversible pulpitis:
pain disappears after cessation of the stimulus

41
Q

Describe the clinical manifestations of pulp disease “Hyperalgesia”?

A

lower threshold of stimulus on pulp vitality test

42
Q

what type of dental lesion is this?

A

pulp necrosis

43
Q

what does the caries lesion progression and morphology follows?

A

it follows the inclination of enamel rods and/or dentinal tubules

44
Q

what are the sites of origin of pits and fissure lesions?

A

pit- and fissure lesions have small sites of origin visible on the occlusal surface but have a wide base

45
Q

what is the shape of the pit and fissure lesion?

A

overall shape of a pit- and - fissure lesion is an inverted V

46
Q

what is the shape of smooth surface lesion?

A

In contrast, a smooth- surface lesion is V shaped with wide area of origin and apex of the the V directed toward pulp

47
Q

where do root caries begins?

A

root caries begins directly on dentin

48
Q

why root-surface lesions can progress rapidly?

A

root-surface lesions can progress rapidly because dentin is less resistant to caries attack

49
Q

can we see dentin and pulp changes?

A

yes, Dentin and pulp changes in dentin can be seen even before the lesion reached the dentin

50
Q

what does the bacterial invasion of lesion results in?

A

bacterial invasion of lesion results in extensive demineralization and proteolysis of the dentin

51
Q

Clinically, how the necrotic dentin appears?

A

appears
a. soft
b. wet
c. mushy

52
Q

so, clinically –> this necrotic dentin appears soft, wet, and mushy
what we see deeper pulpally?

A

deeper pulpally, dentin is demineralized and structurally intact.
This tissue appears to be dry and leathery in texture

53
Q

what are reactions of the dental pulp?

A
  1. chronic inflammatory changes
  2. tertiary dentin formation
  3. acute inflammation
54
Q

reaction of dental pulp
“chronic inflammatory changes “
when does it occur?

A

start very early

55
Q

why tertiary dentin formation starts?

A

start early as a defense mechanism

56
Q

when acute inflammation of the dental pulp starts?

A

when bacteria invade the reparative dentin

Dental Cariology (2 decks)

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