Endodontictherapy is a routinely practised clinical procedure with few reported complications.
牙髓治疗是一个经常进行临床程序很少报道并发症。
2
Furcation perforation often leads to a very perplexing and frustrating problem in endodontictherapy, often have a doubtful prognosis.
髓室底穿孔的治疗是临床上的棘手问题，预后常不理想。
3
Objective To study the shape and location of root canal orifice in maxillary first permanent molar and provide a morphological basis for locating canal orifice in endodontictherapy.