下颌第一磨牙根管直径和锥度的锥形束CT测量分析

李文妙, 邢莉, 潘英瑜, 黄滢, 杨国访, 刘德达

Cone-beam CT measurement of root canal diameter and taper for mandibular first molar

LI Wenmiao, XING Li, PAN Yingyu, HUANG Ying, YANG Guofang, LIU Deda

图2 测量方法 Note： A. Method of measuring root canal length. The root canal was divided into three equal segments with four levels shown in the figure. B. Method of measuring root canal buccolingual diameters. The lines represent buccolingual diameters of the root canals. C. Method of measuring root canal mesiodistal diameters. The lines represent mesiodistal diameters of the root canals.

Fig 2 Methods of measurement