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Resto 3 > 1. Cariology > Flashcards

1. Cariology Flashcards

1
Q

Caries classified by… (5)

A
  • location
  • activity
  • development stage
  • mode of appearance
  • location and size
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2
Q

Caries classification by location? (3)

A
  • Fissures, groove, pits
  • Free enamel surfaces: Proximal, buccal, lingual
  • Root
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3
Q

Caries classification by activity? (3)

A
  • Active
  • arrested
  • Rampant/ Early childhood caries.
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4
Q

Caries classification by development stage? (5)

A
  • White spot
  • Dentin affected, no cavity
  • Cavity
  • Pulp exposure
  • Crown destruction
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5
Q

Caries classification by mode of appearance? (3)

A
  • Primary
  • Recurrent, secondary
  • Residual
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6
Q

Caries classification by location and size? (2)

A
  • Blacks classification (dissused)

- Hume and mount

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7
Q

Hume and mounts classification: location (3)

A 
1: pits, fissures,
grooves and all
surface defects
(except in the
proximal areas)

• 2:Proximal
caries below
contact area in
all teeth

• 3:Caries in the
gingival 1/3 or in
the exposed root
when recession

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8
Q

Hume and mounts classification: stages (5)

A
  • Stage 0: White spot. Can be remineralized.
  • Stage 1: Minimal cavitation, dentine is affected, it cannot be remineralized.

• Stage 2: Moderate loss. Remaining tooth can
support a restoration.

• Stage 3: Large caries, weakened cusp or incisal
angle. (Restoration must protect the remain tooth
structure)

• Stage 4: Very extensive caries, close to the pulp,
affecting most of the tooth (more than one cusp,
incisal edge, root caries affecting two or more
adjacent walls)

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9
Q

Treatments for hume and mounts stages (3)

A

o Stage 0: (white spot) remineralization techniques.
o Stage 1: Minimally invasive restorative treatment.
o Stage 2, 3, and 4 more complex restorative
treatment

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10
Q

How to write hume and mounts classifications?

A

1st number: location
2nd number: stage
ex. lesion 3/0

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11
Q

What is ICDAS?

A

Evaluation and detection of dental caries. Used for early detection or assess caries severity

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12
Q

What was ICDAS designed for? (2)

A
  • to inform decisions about appropriate diagnosis, prognosis and clinical management
  • individual and public
    health levels
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13
Q

What is ICDAS 0?

A
  • Sound tooth surface

- not demineralized

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14
Q

What is ICDAS 1?

A
  • First visual change in enamel (dry)

- 1/2 out enamel

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15
Q

What is ICDAS 2?

A
  • Distinct visual change in enamel (wet)

- 1/2 inner enamel and 1/3 outer dentin

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16
Q

What is ICDAS 3?

A
  • localized enamel breakdown due to carries with no visible dentin (small cavitation)
  • 1/3 mid dentin
17
Q

What is ICDAS 4?

A
  • Underlying dark shadow from dentin (with or without enamel breakdown)
  • 1/3 mid dentin
18
Q

What is ICDAS 5?

A
  • distinct cavity with visible dentin

- 1/3 inner dentin

19
Q

What is ICDAS 6?

A
  • extensive distinct cavity with visible dentin

- 1/3 inner dentin

20
Q

How do you write an ICDAS code?

A

first digit = restoration/sealant code

second digit = caries code?

21
Q

What is assessed on CAMBRA?

A 
disease indicators / risk factors: 
o Caries activity.
o History of caries (number of restorations present).
o Eating habits/disorders.
o Medication/Medical conditions
o Salivary flow.
o Oral hygiene habits.
22
Q

Reccomendations for CAMBRA high risk patients?

A

mouthwashes, gels, gum and
sprays. They must wait for the definitive and aesthetic
dental work until the risk level has decreased.

23
Q

Reccomendations for CAMBRA low risk patients?

A

preventive care at home to keep it
at low risk, permanent treatment can be done if
needed.

24
Q

Diagnostic methods for caries? (7)

A
  • Visual and tactile diagnosis
  • Xray
  • Transillumination
  • quantitative light-induced flourescence
  • laser flourescence
  • ultrasonic techniques
  • electrical measurement
25
Q

What is the sound enamel refractive index?

A

RI = 1.62

26
Q

Whats the reflective index of water accumulation in demineralized enamel?

A

1.33

27
Q

Whats the reflective index of demineralized enamel after water dried?

A

RI=1.0. opaque lesion = caries

28
Q

Sensitivity & specificity of visual inspection?

A 
Low sensitivity (lots of undiagnosed)
high specificity 
*= no over treatment and less number of false +
29
Q

Sensitivity & specificity of Xrays?

A
  • high number of false positives

- false negatives in snall caries

30
Q

Problems with occlusal caries and xrays? (2)

A
  • thick layer of enamel covering the dentin of
    the buccal and lingual cusps , which , in an X-ray masks
    any incipient occlusal demineralization inside the
    occlusal fissures, decreasing sensitivity.
  • enamel - dentin junction is difficult to
    appreciate at the occlusal level when we take a
    bitewing xray, leading to false (+).

Resto 3 (6 decks)

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