Incidences Flashcards
Percentage of Class 1 malocclusions
60%
Percentage Class 2 Div 1 Malocclusion
20%
Percentage of Class 2 Div 2 malocclusion
10-18%
Percentage of Class 3 malocclusion
5%
Percentage of AOBs
2-12% children
4% Adults
Percentage of Deep Bites
15-20%
Percentage of marked asymmetries
20%
Percentage of Hypodontia
6.4% (excluding 8s)
Percentage of missing lateral incisors
2%
Percentage of missing Lower second premolars
2.6%
Percentage of impacted canines
2-3%
Percentage of ectopic canines palatal &
Percentage of ectopic canines Buccal
Pal 85%
Buc 15%
Percentage of supernumerary teeth
1-2%
Percentage of untrusted permanent incisors
0.13%
Percentage of transposition & percentage of double teeth
Trans 0.33%
0.03-1.9%