METHODS: A groove about 3 mm wide and 0.7 mm deep on the approximal point of labial lingual or on the center occlusal of molar was made. Followed 1-4 years effects after completed the periodontal splint. 方法:在需要固定的前牙舌侧邻接点处(后牙为牙合面)开一条约3mm宽,0.7mm深的沟,完成超强玻璃纤维加流动树脂牙周夹板治疗,经1~4年的随访观察。