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Cleft lip is a birth defect that occurs when the tissues of the upper jaw and nose do not join as expected during fetal development, resulting in a split (cleft) in the lip. An incomplete cleft lip can range from a slight indentation to a notch in the upper lip on one or both sides. A complete cleft lip is a deep split in the lip that extends into one or both sides of the nose. This birth defect can be corrected with one or more surgeries.
ByHealthwise Staff Primary Medical ReviewerJohn Pope, MD - Pediatrics Specialist Medical ReviewerAdam David Schaffner, MD, FACS - Plastic Surgery, Otolaryngology
Current as ofSeptember 9, 2014
WebMD Medical Reference from Healthwise
September 09, 2014
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