A. AU - Relvas, João Bosco Formiga AU - de Carvalho, Fredsom Marcio Acris AU - Marques, André Augusto Franco AU - Sponchiado, Emílio Carlos AU - Garcia，卢卡斯塞卡Roberti PY - 2013 da - 2013/12/03 TI -牙髓学的治疗上颌前磨牙和三个牙根使用光学显微镜和镍钛旋转文件系统SP - 710408六世- 2013 AB -的目的本研究报告的临床病例治疗上颌第一前磨牙的三个牙根使用光学显微镜和旋转仪器技术。病人是一名16岁的女孩，主诉是14号牙疼痛。经临床及影像学检查，诊断为不可逆牙髓炎。在牙髓腔的中间三分之一处，x线照片显示存在三个根管。使用10号k文件进行髓腔穿刺和初始置管。光学显微镜和放射学检查证实了三个根管的存在。使用pathfile #13、#16和#19进行插管，ProTaper文件S1和S2进行宫颈准备。使用F1锉在颊管和F2锉在腭管进行根尖预备，直至工作长度。 The root canals were filled with Endofill sealer by thermal compaction technique using McSpadden #50. The case has been receiving follow-up for 12 months and no painful symptomatology or periapical lesions have been found. The use of technological tools was able to assist the endodontic treatment of teeth with complex internal anatomy, such as three-canal premolars. SN - 2090-6447 UR - https://doi.org/10.1155/2013/710408 DO - 10.1155/2013/710408 JF - Case Reports in Dentistry PB - Hindawi Publishing Corporation KW - ER -