clinical presentation of caries Flashcards

1
Q

what factors are required for dental caries to occur

A

plaque
carbohydrate- sugar
time
susceptible tooth

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2
Q

how long does it take for a tooth to drop below critical PH?

A

20 minutes

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3
Q

what are the main micro organisms involved in caries?

A

streptococcus mutans

lactobacilli

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4
Q

where are stagnation sites?

A
enamel pits and fissures
approximal areas
cervical areas
root surface
margins of restorations
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5
Q

when should caries be treated operatively?

A

when defect reaches EDJ- seen radigraphically

visable cavitation

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6
Q

how often should BWs be taken for low risk child?

A

every 2 years

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7
Q

how often should BWs be take for med risk child?

A

yearly

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8
Q

how often should BWs be taken for high risk children

A

every 6 months

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9
Q

from what age should BWs be taken?

A

5

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10
Q

what are main factors of deciduous caries

A

progresses to ADJ and pulp more rapidly

pulp is larger in ratio to rest of tooth tissues

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11
Q

what is smooth surface caries

A

only on smooth surfaces, including approximal

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12
Q

what is rampant caries

A

nursing bottle caries

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13
Q

what are the earliest signs of caries?

A

white spot lesion

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14
Q

what are the four layers of a white spot lesion?

A

outersurface
body of lesion
dark zone
advancing front

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15
Q

what do inactive lesions present as?

A

brown and glossy

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16
Q

what reacts to caries to protect a tooths vitality?

A

pulp-dentine complex

17
Q

what is a periapical/periradicular abscess?

A

progression of irreversible pulpitis where exudate extends into adjacent soft and hard tissues

18
Q

what is cellulitis?

A

swellings of soft tissues of mouth and face from spread of infection

19
Q

what is Ludwig angina?

A

progression of severe cellulitis
floor of mouth swells
tongue raised
airway blocked