PubMed · 283811
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E C Fox, H C Fox. 1979-03-06. A modification to the Blake gingivectomy knife.. https://doi.org/10.1038/sj.bdj.4804215
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It has been suggested that dental instruments can be used as bridging instruments to facilitate electric pulp testing of teeth with extensive restorations. This study reports a clinical investigation to evaluate the effectiveness of this procedure. One hundred seventeen vital teeth in 20 volunteers were tested. Ten endodontically treated teeth functioned as controls. Following appropriate isolation and asepsis technique, baseline recordings of the threshold response with the electric pulp tester were taken. With the use of dental explorers and endodontic files to bridge between the probe tip and the tooth surface, recordings were made of the threshold responses. Findings indicate that electrically conductive dental instruments can be reliably used as bridging instruments with the electric pulp tester.
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