éval S2 Flashcards

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1
Q

buccal caries

A

Caries found on the surfaces of posterior teeth nearest the cheeks.

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2
Q

labial caries

A

Cavities located on the surfaces of anterior teeth, nearest the lips

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3
Q

baby bottles caries

A

mostly found on maxillary anterior teeth

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4
Q

– Rampant caries :

A

suddenly appearing, widespread, rapidly progressing type of caries, with advanced and severe decay on multiple surfaces of many teeth.
be found in people who have an abnormal lack of saliva = xerostomia

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5
Q

radiation-induced caries

A

radiation to the __head______ and _____neck

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6
Q

Incipient caries

A

lesion on a tooth which was previously demineralized but was remineralized before causing a cavitation.

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7
Q

Chronic caries

A

condition that has taken an extended period of time to develop

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8
Q

Recurrent / secondary caries

A

A caries which appears at a location with a previous history of decay (often on the margin of fillings or other dental restorations).

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9
Q

Arrested carie

A

A caries found at a location that has not experienced previous decay

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10
Q

class _I__ caries

A

– Pit and fissure caries

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11
Q

class II caries

A

Proximal /interproximal caries On posterior teeth

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12
Q

class _III__ caries

A

On anterior teeth includes the incisal edge

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13
Q

class _IV__ caries

A

incisal edge is not included

On anterior teeth

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14
Q

Root caries

A

generally due to gingival recession
most commonly located on mandibular molars, followed by mandibular premolars, maxillary anteriors, maxillary posteriors and mandibular anteriors

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15
Q

class __V_ caries

A

any other smooth surfaces of enamel except interproximal areas

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16
Q

class __VI_ caries

A

located on cusp tips of posterior teeth or incisal edges of anterior teeth

17
Q

ordre signs caries

A

1 A chalky white spot The decay is incipient (beginning).

2) Brown spot = reversible
3) cavitatioon = irreversible

18
Q

The lesion is brown and shiny.

A

Dental caries were once present but the demineralization process has stopped, leaving a stain.

19
Q

A brown spot which is dull (terne) in appearance.

A

A sign of active caries

20
Q

Four elements are necessary for caries to form :

A

– 1 – A tooth surface (enamel or dentin)
– 2 – Caries-causing bacteria
– 3 – Fermentable carbohydrates (such as sucrose)
– 4 – Time

21
Q

pH début déminéralisation de l’émail

A

below ____5,5______

22
Q

the two bacteria which are considered responsible for cavities

A

Streptococcus _____________________ mutans

- Lactobacilli ____________________

23
Q

risk factors caries

A

– Reduced saliva + – Reduced saliva

24
Q

four zones caries

A
  • The translucent zone = deepest layer of the enamel + first visible sign of caries
  • The dark zone = slight remineralization of enamel
  • The body of the lesion = greatest demineralization
  • The surface zone = relatively mineralize + present until the loss of tooth structure results in a cavitation.
25
Q

The dentin, unlike the enamel, develops three zones affected by caries

A
  • translucent zone = deepest layer of dentin + advancing front of the carious process and it is where the initial demineralization begins
  • zone of destruction = between the two other zone = where bacteria attack and where the dentin will decompose
  • The zone of bacterial penetration = Surface closest to the enamel
26
Q

If the odontoblasts live long enough to react to the dental caries, the dentin which is then ______produced_______ is named

A

« reactionary » dentin

27
Q

, if the odontoblasts are killed, the dentin produced is called

A

« reparative » dentin

28
Q

palatal caries

A

Caries located on the lingual surfaces of maxillary teeth and are located beside the hard palate.