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目的:观察临床治疗中下颌侧切牙双根管的发生几率。方法:临床需要根管治疗的下颌侧切牙102颗,拍X线片,术中配合使用牙科手术显微镜及小号K锉探查并扩通根管,确定根管是否为双根管。用Pro Taper镍钛锉进行根管预备,垂直加压技术充填根管。结果:102颗下颌侧切牙中双根管牙26颗。结论:下颌侧切牙双根管发生几率较高,临床治疗中应引起注意,必要时应拍摄偏位X线牙片及CBCT检查。
Objective: To observe the incidence of double root canal in clinical treatment of mandibular lateral incisor. Methods: 102 cases of mandibular lateral incisors undergoing root canal therapy were clinically taken and X-ray films were taken. The patients were treated with dental surgery microscope and small-scale K-file to explore and expand the root canal to determine whether the root canal was double root canal. Root canal preparation with a Pro Taper Nickel Titanium File and vertical compression filling of the root canal. Results: There were 26 teeth with double root canal in 102 mandibular lateral incisors. Conclusions: The incidence of double root canal of mandibular lateral incisor is high, which should be paid attention to during clinical treatment. If necessary, radiographs of partial radiographs and CBCT should be taken.