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成人磨牙根管多为多根多根管,但资料表明磨牙根管解剖形态有较大变异,且和种族有一定的关系,因此在根管治疗中应高度重视。作者就姐妹两人多数磨牙单根单根管做一报道。某女,32岁,2011年1月24日因右下后牙充填物脱落1周就诊,临床检查发现,右下第二恒磨牙大面积龋坏,髓腔暴露,探诊无疼痛,叩痛(-),松动Ⅰ度,诊断为慢性牙髓炎,X线片检查发现47髓腔未行根充,且显示为单根管,同时发现患者16、26、36、46、17、27、37、47均为单根管,其中17、27为
Most adult root canals are multiple root canal, but the data show that there is a large variation in the anatomy of molars root canal, and have a certain relationship with race, so root canal treatment should be highly valued. The author made a report on the single root canals of most siblings. A female, 32 years old, January 24, 2011 due to lower right posterior teeth toothfill shed 1 week treatment, clinical examination found that the lower right second permanent molars large carious lesions, medullary cavity exposure, exploration no pain, percussion pain (-), Ⅰ degree loosening, the diagnosis of chronic pulpitis, X-ray examination found 47 root canal not root canal filling, and showed a single canal, at the same time found that patients 16,26,36,46,17,27, 37,47 are single canals, of which 17,27 is