下颌恒切牙根管解剖因素与根管治疗难度的相关分析

黄定明;高小洁;谭红;周学东

Association of Root Canal Therapy Difficulty with Canal Anatomic Factors in Mandibular Permanent Incisors

HUANG Ding-ming1, GAO Xiao-jie2, TAN Hong2, ZHOU Xue-dong1

华西口腔医学杂志 . 2006, (04): 366 -369 .