Cleft lip changes the anatomical structure and aesthetic shape of the face, causing many consequences, especially functional disorders in eating, breathing, and pronunciation in young children, and severely affecting the psychology of the patient and family. There are many types of cleft lip and jaw, the most common of which is cleft lip and maxilla.

Cleft lip and palate account for the highest rate of common body defects (10%), in which oblique cleft is a very rare complex craniofacial abnormality that severely affects the psychology, aesthetics and function of the patient.