A chord with the root at the bottom is said to be in root position.
底部有根音的和弦为本位和弦。
And there is no significant change in root length.
牙根长度的变化无统计学意义。
The primary site of Al toxicity locates in root apices.
铝毒害的最初作用位点在根尖。
The nutritional demand of bacteria in root plane was of amino acid type.
根面细菌在营养需求分类上可归为氨基酸需求菌群。
AIM: To establish an evaluating mode for difficulty in root canal therapy.
前言：目的：建立根管治疗难度的评估模式。
Conclusions: Microwave radiation has the effect of sterilization in root canal.
结论：微波消毒根管有满意效果。
Conclusions: Microwave radiation has the effect of sterilization in root canal.
结论：微波消毒根管有满意效果。
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