1.Methods After designs the trefoil flap in the prolabium, the displaced tissuce is replaced and the columnella is lengthened, the sill is raised by the application of the trefoil flap.
法前唇设计出三叶瓣后,先对移位组织进行游离及复位,再将三叶瓣小柱起,延长小柱及抬高底。
2.The prolabium of complete BCL operated on with straight line suture method had muscle fibers proliferated from the lateral lips, but the fibers were sparse and also had ultra structure variations.