clinical presentation of caries Flashcards
what factors are required for dental caries to occur
plaque
carbohydrate- sugar
time
susceptible tooth
how long does it take for a tooth to drop below critical PH?
20 minutes
what are the main micro organisms involved in caries?
streptococcus mutans
lactobacilli
where are stagnation sites?
enamel pits and fissures approximal areas cervical areas root surface margins of restorations
when should caries be treated operatively?
when defect reaches EDJ- seen radigraphically
visable cavitation
how often should BWs be taken for low risk child?
every 2 years
how often should BWs be take for med risk child?
yearly
how often should BWs be taken for high risk children
every 6 months
from what age should BWs be taken?
5
what are main factors of deciduous caries
progresses to ADJ and pulp more rapidly
pulp is larger in ratio to rest of tooth tissues
what is smooth surface caries
only on smooth surfaces, including approximal
what is rampant caries
nursing bottle caries
what are the earliest signs of caries?
white spot lesion
what are the four layers of a white spot lesion?
outersurface
body of lesion
dark zone
advancing front
what do inactive lesions present as?
brown and glossy
