Refined simple line closure for macrostomia repair: designing a mucosal triangular flap on the commissure region.

Congenital macrostomia is a relatively rare deformity. A number of different methods for its correction have been reported in the past. Here, we report our refined method of correcting macrostomia. Our method is characterized by creation of a small triangular mucosal flap on the cleft region of the lower red lip where the tissue appears identical to the normal commissure. Adequate advancement of this flap into the mouth along with proper reconstruction of muscle continuity and simple line closure of the skin enable correction of macrostomia with a natural-looking commissure in a symmetric position with an acceptable scar.