Various Modification of the Millard' s rotation-advancement lip repair

In the treatment of the cleft lip, Millard rotation-advancement lip repair is usually adopted in many clinics for the focusing on the repair of the muscle layer continuity and preservation of natural landmarks, But there is a limitation in the wide cleft because of the asymmetry of the lip due to the vertical contracture of the scar and the shortness of the ala to commissure distance, so many modifications are proposed, This object of this study is to help in the cleft lip surgery with investigating its features and design respectively and compared its merits and demerits each other