This article presents a case with left mandibular first molar with radix entomolaris (RE).It had 3 roots and 4 canals,th......

目的:应用CBCT测量分析下颌第一磨牙区颌骨的倾斜度,为该区域牙种植手术设计方案提供依据. 方法:测量分析68例136侧单侧下颌第一磨......