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My Operative Dentistry > Dental Caries > Flashcards

Dental Caries Flashcards

1
Q

What is dental caries according to Shafers?

A

Dental caries is irreversible microbial disease of the calcified tissues of the teeth characterised by demineralisation of inorganic portion and the destruction of the organic substances of the tooth which often may lead to cavitation.

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2
Q

What is dental caries according to sturdevent?

A

Dental caries is an infectious microbial disease of the tooth that results in localised dissolution and destruction of calcified tissue.

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3
Q

Dental caries according to WHO?

A

It is defined as localised post eruptive pathological process of external origin involving softening of the hard tissue and proceeding to the formation of cavity.

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4
Q

GV Blacks classification

A 
A. Class I
B. Class II
C. Class III
D. Class IV
E. Class V
F. Class VI
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5
Q

Class I GV Black

A
  • pits and fissures of molars and premolars
  • occlusal 2/3rd of Buccal and lingual surface of molars
  • lingual surface of maxillary incisors
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6
Q

Class II GV Blacks

A

Cavity in proximal surface of molar and premolar

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7
Q

Class III GV Blacks

A

Proxima surface of anterior teeth that do not involve incisal edge

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8
Q

Class IV GV Black

A

Restoration on the proximal surface of anterior teeth that do involve the incisal edge.

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9
Q

Class V GV Black

A

Restoration on the cervical third of the facial or lingual surfaces of all teeth(except pits and fissure)

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10
Q

Class VI GV Black

A
  • incisal edge of anterior teeth
  • cusp of posterior teeth
  • usually start in a traumatic or a formative defect
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11
Q

Clinical forms of caries based on severity

A
  • Incipient caries
  • occult caries
  • cavitation
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12
Q

Caries based on progression.

A
  • Arrested
  • recurrent
  • radiation
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13
Q

Caries based on chronology

A
  • infancy
  • adolescent
  • adult
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14
Q

Caries based on hard tissues

A
  • enamel
  • dentin
  • cementum
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15
Q

Caries based on WHO

A

D1- clinically detectable enamel lesions with intact surface
D2- clinically detectable cavity limited to enamel
D3- clinically detectable cavities in dentin
D4- lesions extending to the pulp

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16
Q

Interproximal caries based on radiography

A

Incipient caries
Moderate caries
Advanced caries
Severe caries

17
Q

Interproximal caries-Incipient caries

A
  • less than 1/2 of the thickness of enamel
  • usually not restored
  • treat with fluoride
18
Q

Interproximal caries- Moderate caries

A
  • greater than 1/2 enamel

- not including DEJ

19
Q

Interproximal caries- Advanced caries

A
  • involves enamel and dej

- less than 1/2 distance to pulp cavity

20
Q

Interproximal caries-severe caries

A

More than 1/2 distance of dentin to pulp cavity

21
Q

Newer classification

A

enamel caries

Divided as per tissue involve

  • enamel noncavitated(e-nc)
  • enamel cavitation (e-c)
  • enamel extensive(e-ext)
  • dentinal superficial(d-s)
  • dentinal deep(d-d)
  • dentinal extensive(d-ext)
22
Q

All the cavitation caries is subdivided..

A

OAL- occusally approachable lesion
PAL- proximally approachable lesion
BAL/LAL- bucally or lingualy approachable lesion

23
Q

Highest caries susceptibility teeth? What%?

A

Upper and lower first molar -95%

24
Q

Lowest caries susceptibility teeth? What %?

A

Lower CI & LI-3%

Lower canine -3%

25
Q

Caries classification based on severity and rate of caries progression?

A 
Class 1- very mild caries
Class 2- mild caries
Class 3- moderate caries
Class 4-severe caries
Class 5-rampant/ very severe caries
26
Q

Tooth and surface affected in class 4

A

1234567
————
4567

Proximal, occlusal, cervical

27
Q

Tooth and surface affected in class 1?

A

Lower 6,7

Occlusal pits and fissure

28
Q

Tooth affected in class 5

A

1234567
————
1234567

Proximal 1 2 3
Occlusal

29
Q

Tooth and surface affected in class 3

A

5,6,7

Occlusal and proximal
Buccal and lingual pits (2)
Proximal (1,2)

30
Q

Tooth affected in class 2

A

6,7

Occlusal pits and proximal contact

31
Q

Root caries based on extent of lesion

A
  • grade 1 (initial)
  • grade 2 (shallow)
  • grade 3 (cavitation)
  • grade 4 (pulpal)
32
Q

Grade 1 surface texture,depth, pigmentation

A

Soft, no surface defect, light tan brown

33
Q

Grade 2 surface texture,depth, pigmentation

A

Soft-irregular rough, <0.5mm, tan dark brown

34
Q

Grade 3 surface texture,depth, pigmentation

A

Soft, > 0.5mm-no pulp involvement, light dark brown

35
Q

Grade 4 surface texture,depth, pigmentation

A

-, deeeply penetrated , brown dark brown

36
Q

2nd most caries susceptibility tooth?? %

A

Upper and lower 2nd molar-75%

My Operative Dentistry (6 decks)

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