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两种机用镍钛器械对下颌第一磨牙远舌根管预备效果的评价 被引量:1

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摘要 目的:评价两种机用镍钛器械对下颌第一磨牙远舌根管预备的效果。方法:选择30颗具有独立远舌根的下颌第一磨牙离体牙,随机分为两组,分别采用两种机用镍钛器械进行根管预备,对比预备前后根管弯曲度、根尖弯曲度的变化、预备时间、侧穿,以及器械折断的情况。结果:两组预备前后根管弯曲度比较差异均有统计学意义(P<0.001),根尖弯曲度的变化差异无统计学意义(P>0.05)。两组机用镍钛器械均具有较好的预备效果,没有器械折断的发生,但Mtwo预备更加省时(P<0.05)。结论:ProTaper和Mtwo两种机用镍钛根管预备系统对于下颌第一磨牙远舌根管具有较好的成形效果,Mtwo效率更高。
作者 陈宁
出处 《吉林医学》 CAS 2011年第3期434-435,共2页 Jilin Medical Journal
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同被引文献39

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