2种根尖定位仪诊断牙根纵裂的实验研究_专利技术_牙科资讯_牙科器材网 关键词】 牙根纵裂，根尖定位仪，诊断 [gap=1400]Key words] vertical root fracture; root apex locator; diagnose
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Obiective to study the application of root apex locator to diagnose vertical root fracture.
目的研究应用根尖定位仪诊断牙根纵裂。
Methods We used the root apex locator to measure work length of each root canal of 36 cases and compared the measured results.
方法用根尖定位仪测量36例患牙的每个根管工作长度，并进行比较。
ConclusionTRI AUTO Zx root canal apex locator is not a reliable tool for detection of the working length of root canal in the aged with lesion on root tip.
结论根管测量仪不能作为确定老年人有根尖病变根管工作长度的最终手段。
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