Which of the following is the most frequently occurring congenital anomaly affecting the face and jaw?

Show Answers

Enlarged mouth (Macrostomia)Birth defects caused by prenatal alcohol exposureCleft lip combined with cleft palateDisorders involving abnormal development of the skin and its appendages

Explanation

The most prevalent congenital deformity involving the facial and jaw structures is cleft lip and palate. Other conditions listed, such as macrostomia, fetal alcohol syndrome, and ectodermal dysplasia, are less common or involve different clinical features.