Root anatomy structure 根系解剖特征
root canal anatomy 根管形态
root furcation anatomy 根分叉解剖
anatomy of root 根的解剖学
The anatomy of a gadget is very simple: the root document node is a "module" containing a "moduleprefs" element, "userpref" elements, and "content". Gadgets provide several interesting features, e.g.
Gadget的内部构造非常简单：文档的根节点“module”包含一个“moduleprefs”元素，若干“userpref”元素和一个“content”元素。
PURPOSE: to investigate the effect of root canal anatomy in maxillary first premolars on root canal treatment difficulty.
目的：探讨上颌第一前磨牙的根管解剖形态对根管治疗术难度的影响。
However, some research data show that mandibular incisors' root canal anatomy is comparatively complex, and root canal system has many variations.
但有资料表明下颌切牙的根管解剖形态较为复杂，变异较多。
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