情景中学 情景中练——安徽版《小学英语》第三册第一单元第三课
Published in 中小学教学研究 • Jan 1, 2008
Authors:
叶海霞
Abstract
The purpose of this study was to evaluate and compare the effect of Reciproc Blue (RPCB), XP-endo Shaper (XPS), and WaveOne Gold (WOG) single-files on dentinal microcrack formation using micro-computed tomography (micro-CT). Twenty-four mesial roots (24 mesio-buccal and 24 mesio-lingual canals) of m...
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