Compared to free gingival graft, subepithelial connective tissue graft or guided tissue regeneration, the indication of semilunar coronally positioned flap in root coverage is more limited.

• 摘要在牙根覆盖的术式中，目前最常见的包括游离牙龈移植、牙龈结缔组织移植，以及引导组织再生术。