“…However, in the case of minor asymmetry, the appearance and function of the lower lip will be abnormal. For the repair of lower lip defects, the ABBE flap, 1–3 direct primary closure, 4 advancement flap, 5,6 myomucosal flap, 7,8 and free flaps, 9–11 are typically employed. Among these, the ABBE flap is the most widely used and reliable method, despite some shortcomings.…”