Caries Experience among (7-12) years old children

Tooth caries or tooth decay it a breakdown of teeth due to microorganisms produce acids lead to cavities, which dissolving the hard tissues of teeth (enamel, dentine and cementum) . (1,2) Research was done to determine the incidence of dental decay in deciduous and permanent teeth between children visited Al – Zahrawi University college in Karbala, city . The sample consist of 150 children (70 girls and 80 boys) with an age range (7-12) years which classified into (7-9)years and (10-12)years. Study started from June 2019 to January 2020,oral exam according (W.H.O).Which is using a dental chair with a good lighting. In this study finding the incident of dental decay in deciduous teethwas more in (7-9) years and less in (10-12) years, dental decayin (7-9) years higher from low socioeconomic status.