Epidemiology Flashcards
What is DMFT/DMFS?
Measurement of # of teeth or # of tooth surfaces that are Decayed, Missing, or Filled due to caries
DMFT = ?
Decayed, Missing, Filled, Tooth
DMFS = ?
Decayed, Missing, Filled, Surfaces
DEFT = ?
Decayed, Extraction of carious tooth, Filled, Tooth -> primary dentition
DEFS = ?
Decayed, Extraction of carious tooth, Filled, Surfaces -> primary dentition
Gingival index is scored how?
Scale of 0-3 (0=normal, 3=Spontaneous bleeding and ulcerated tissue)
Gingival index is graded how?
M, D, B, and L surfaces
Gingival index has 4 category qualitative assessments, what are they?
Normal, Mild, Moderate, Severe
What is the main cause of early childhood caries?
Improper feeding practices affecting the B & L surfaces of maxillary anteriors
Adults >20 yo have what occurrence of caries?
At least one tooth decayed or filled
Root surface caries is __ x higher in adults >__ yo
3x higher
60
Ethnicity: highest incidence of untreated caries?
Blacks
Ethnicity: highest incidence of dental caries?
Hispanic
Gingivitis rates for school-age children?
40-60%
Gingivitis rates for adults >20 yo?
53%
Chronic periodontitis in adults >30 yo?
47.2%
Chronic periodontitis in adults 30-34 yo?
24.4%
Chronic periodontitis in patients >65 yo?
70.1%
Oral cancer is uncommon before what age?
40
What increases oral cancer risk?
Age
Alcohol
Tobacco
Most common site for oral cancer?
Tongue
Median age for oral cancer positive?
62
Median age of death for oral cancer patients?
67
5 year survival rate for oral cancer patients?
63%