Prevalence of malocclusion in 9-12 years old schoolchildren in Tikrit city

Abstract

The aim of this study is to evaluate the prevalence of malocclusion in a population of Iraqi children aged 9-12 _years old .A sample of 558(294 boys and 264 girls ) school children from the schools of Tikrit City were examined for malocclusion using Angles classification .Only 10 .5 % had no malocclusion, (17 % class II div 1 , 1 % class II div 2 and 2 % class III malocclusion ),also 23 % of the sample had crowding , 11 .8 % had rotation , 10.3 % had diastema and 7.7 % had spacing , while deep bite ,open bite , impaction and edge to edge were found in low percent 0.1 % . our findings suggest that (89.4 % )of children have malocclusion. These results were compared
with other ethnic groups.