Prevalence of Class I malocclusion?
60 %
Prevalence of class II div 1?
20%
Prevalence of class II div 2?
10-16 %
Prevalence of class III malocclusion?
5%
Prevalence of impacted upper canines?
2-3%
Prevalence of hypodontia?
6.4%
Prevalence of missing upper lateral incisors?
2%
Prevalence of missing second premolars?
3%
Prevalence of supernumeraries?
1-2%
Prevalence of deep bites?
15-20%
Prevalence of missing lower incisors?
Less than 1%
Prevalence of infra occlusion of primary teeth?
8-14%