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根尖切除术是把牙根尖截除一部分,并除去牙根尖周感染灶,从而使患牙得以保留的手术。据一般文献报导,其成功率可高达96%,一般只要病例选择适当,常可保留很多过去认为不能治疗的牙齿。但是,由于解剖条件的限制,本法的应用范围还是比较局限的。磨牙由于位置较后且多为复根,在操作时有一定的困难,而上领磨牙根尖接近上颌窦,下颌磨牙的根尖接近
Apical resection is to cut off part of the root tip, and remove the apical week of infection, so that the teeth can be retained surgery. According to the general literature, the success rate can be as high as 96%, generally as long as the appropriate choice of cases, often can retain a lot of previously considered incurable teeth. However, due to the limitations of anatomical conditions, the scope of application of this Law is still relatively limited. Molar teeth due to the location and more for the complex root, the operation has some difficulties, while the collar teeth close to the maxillary sinus, the proximal root tip of mandibular molars