Bhayat, A. Ahmad, M.S. 2014 Studies from Saudi Arabia have reported that the prevalence of dental caries among children is relatively high compared with other developing countries. The aim was to determine the oral hygiene status and significant caries SiC index of 12 year old males in Medina. In a cross sectional, analytical study 360 students participated from 4 boys' schools. Dental caries, plaque, gingivitis, fluorosis and malocclusion were recorded using standard methods and indices. The mean DMFT score was 1.53 SD 1.88 . Caries prevalence was low 57.2 but the ...