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牙髓治疗之牙的牙根纵折的诊断对牙髓病和牙周病医师来说都是困难的。为了探讨牙根纵折的诊断指征和可能的原因,作者对经外科和彩色照片证实有牙根纵折的32例病案进行了研究。采用的方法包括常规探查龈沟和骨质缺损情况,对所有患牙施行了翻瓣术,仔细观察了四个典型纵折牙齿的横断面,对因牙折而拔除的牙齿或牙根进行了分析和照相,大多数病人在术前、术中、每年的复查和拔牙前均摄了X线照片。
The diagnosis of tooth root fracture of endodontic tooth is difficult for both endodontic and periodontal physicians. In order to investigate the diagnostic indications and possible causes of longitudinal root fracture, the authors studied 32 cases of longitudinal root fracture confirmed by surgery and color photographs. Methods used include routine exploration of the gingival sulcus and bone defects, flap revision of all affected teeth, careful observation of the cross-section of four typical sagittal teeth, and analysis of the tooth or root extracted from the tooth fold And photography, most patients in preoperative, intraoperative, annual review and tooth extraction were taken before the X-ray.