1.Objective To discuss the adaptivity of microtrauma incisal opening in chest surgery of elder patients.

1.摘要目壁微创小切口在高龄外科手术中治疗效果。

2.Space for restorations was created by intruding and uprighting the worn and migrated teeth and developing the correct incisal angle (Figure 8).

2.复空间被通过压低前和直立磨耗和移位获得。并且形成了正确切角。