Brazilian Journal of Oral Sciences (Nov 2018)
Association between hypertelorism and nonsyndromic oral clefts
Abstract
Hypertelorism is characterized by the increased distance between the orbits, measured from the most medial portion of its inner walls. It represents a signal found in sev eral craniofacial defects, and oral clefts. Nonsyndromic oral clefts (NOC) are the most common orofacial birth defect, occurring in 1 in 500-2,500 live births worldwide. NOC is caused by a complex interplay between environ mental exposures and genetic factors.