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  • Title: [Experimental evaluation of an electronic apical locating instrument: study of 100 clinical cases].
    Author: Ferrand N, Claisse A.
    Journal: Rev Fr Endod; 1990 Dec; 9(4):9-16. PubMed ID: 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.
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