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以痛感作为测量根管长度指征的可靠性评价樊劲松乌鲁木齐石油化工总厂医院（８３００１９）对４４名患者、５６个牙、１０６个根管，以痛感作为测量根管长度的指征，用１５号或２０号扩孔钻或锉插入根管内，直至患者有轻微痛感为止，立即用牙科Ｘ线电视图象系统（ＲＶＧ）...
To pain as a measure of the reliability of the indication of the length of the root canal FAN Jinsong Urumqi Petrochemical Plant Hospital (830019) 44 patients, 56 teeth, 106 root canal, the pain as a measure of root canal length indication, Insert a reamer or file # 15 or # 20 into the root canal until the patient has a slight pain, and immediately use the Dental X-ray Video System (RVG) ...