Dan Zadik

A survey of traumatized primary anterior teeth in Jerusalem preschool children

The prevalence of traumatized primary anterior teeth was studied in 965 5-year-olds attending compulsory kindergartens in West Jerusalem in 1971. The prevalence of children with traumatized teeth was 11.1%. No difference between males and females was found. In most cases only one tooth was affected. The tooth most frequently affected was the maxillary central incisor. The most common type of fracture was that of enamel with or without dentin.

Caries Experience in Deciduous and Permanent Dentition of the Same Individuals

Caries of the permanent first molars of 5-year-old children was found to be associated with caries of their deciduous teeth. The sample consisted of 220 children whose permanent first molars had erupted. They were selected out of 965 children who were a representative sample of children attending compulsory kindergartens in Jerusalem, 1971.