Influence of Parental Exposure to Risk Factors in the Occurrence of Oral Clefts.

Statement Of The Problem: Non-syndromic cleft lip and palate are the most frequent craniofacial abnormalities in humans. The genetic, environmental and behavioral factors involved in this malformation must be clarified in different parts of the globe in the view of implementing preventive measures.

Purpose: To analyze the influence of parental exposure to risk factors on the occurrence of oral clefts.