Prevalence of dental caries among primary school children in Thamar Governorate in Republic of Yemen

الملخص EN

The aim of the study was to det-ermine the prevalence of dental caries among primary school children in Tamar Governorate, Republic of Yemen.

A ran-dom sample of 494 primary school child-ren was examined.

The sample was divided into 3 age groups; namely, 6, 9, and 12 years old.

The WHO methodology (1997) was used to assess the individual tooth status.

Results of dental caries in the primary den-tition showed that the mean dmft for the total sample was 3.40 + 0.15 which was decreased with increasing age from 3.59 to 3.57 to 2.19 for the age groups 6, 9 and 12 years respectively with significant sex difference (males was higher than females) as total, 3.93 for the total males, 2.84 for the total females.

For the permanent dentition, the mean DMFT was 3.35 + 0.12 which was incr-eased with increasing age with statistically significant age difference as it was 2.39, 2.98, 3.85 for the age groups 6, 9 and 12 years respectively with no sex variation.