The present study of orofacial clefts, especially unilateral cleft lip and palate (UCLP), is based on the cephalometric analysis of lateral X-ray films of 23 ten-years-old females and 18 ten-years-old males.This study is aimed as evaluation of sexual dimorphism in the human skeletal and soft tissue profile at the age of ten years approximately. The results reveal that in girls, contrary to boys, more marked basic abnormalities of the cranium and soft tissue profile can be observed.