The sliding door flap for repair of vermilion defects.

The sliding door flap raised on the surface of the vermilion to the oral mucosa has been used for reconstruction of soft-tissue defects of the lower lip. The blood supply to this flap comes from the bilateral inferior labial artery. Utilizing both sides of the arteries, bilateral flaps allow for safe and easy transfer of the vermilion tissue to partial defects of the red lip. These flaps have been used in cases of lower lip defects with complete survival. The sliding door flap has increased mobility by at least 1 cm more than by the other style of flap reported by Goldstein. Moreover, this flap contributes to excellent cosmetic results. Our technique and clinical experiences are presented.