Evaluation of the risk of a stripping perforation with Gates-Glidden drills: serial versus crown-down sequences.

Abstract

The aim of this study was to evaluate the remaining dentine/cementum thickness using Gates-Glidden burs in serial and crown-down sequences and to observe which of the two sequences is the safest for preparing mesial roots of molars. Thirty-six left and right human mandibular first molars were selected. Standard access cavities were made and initially… (More)

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