英语语法分析

The only way that the tooth can be saved is by endodontic treatment.

把这颗牙保住的唯一办法就是进行牙髓治疗。

Observation two groups 'therapeutic effect in the endodontic treatment.

观察两组在牙髓治疗中的疗效。

Objective To study and cure the pain during endodontic interappointment treatment.

目的探讨牙齿根管治疗期间疼痛的原因和对策。