Comparison of the severity of caries attack in permanent first molars in Iraqi and Sudanese schoolchildren

Abstract
Severity of caries attack of the permanent 1st molars was investigated on 2 population groups of Arabian origin, i.e., 1617 Iraqi and 725 Sudanese primary schoolchildren ranging in age from 6-12 yr. A high DMF [decayed, missing and filled] rate in the Iraqis in all the age groups studied, reaching a maximum of 83% at age 11, whereas the maximum level was 60% in Sudanese children at age 10.