Seven hundred and twenty school children of primary school grades 5 and 6 in Hadba Sargia area in Tripoli were examined for dental caries. The mean DMFT index for the whole sample of children was 1.58. The D T component comprised 1.34 and M T component 0.21 of DMFT score, which made 42.22% and 13.33% of total children sample, respectively. The amount FT component was 0.03 (1.39%) of all children with DMFT examined. The number of children with at least one DMFT score was 410 (56.94%) of the total study sample. In children with poor oral hygiene, DMFT score was significantly higher (1.91) than in those with good oral hygiene (0.85) (P<0.01). Children whose mothers had low education exhibited a higher total DMFT score (1.85) than those whose mothers had high education (1.16).