[一种电子根尖定位仪的实验评估：100例临床病例研究]
[Experimental evaluation of an electronic apical locating instrument: study of 100 clinical cases].
作者信息
Ferrand N, Claisse A
机构信息
Faculté de Chirurgie Dentaire de Lille II.
出版信息
Rev Fr Endod. 1990 Dec;9(4):9-16.
PMID:2077579
Abstract
A statistical study has been conducted in order to study the efficiency of an "R.C.M. apex locator" in endodontometry. The study is based on 97 electronic measurements in vivo, all samples being controlled in vitro by X-Ray examination after extraction of the teeth, the instrument remaining in the canal. Results showed that the "R.C.M. apex locator" allows a success rate of 85% length recorded being short of beyond the apex by 0.5 mm.
摘要
为研究“R.C.M.根尖定位仪”在根管长度测量中的效率进行了一项统计研究。该研究基于97次体内电子测量，所有样本在牙齿拔除后通过X射线检查进行体外对照，仪器留在根管内。结果显示，“R.C.M.根尖定位仪”的成功率为85%，记录的长度比根尖短或超出根尖0.5毫米。
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