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April 19, 20260 citations

The Effect of Different Rotary Systems on Creating Intracanal Dentinal Defects: An Ex Vivo Study.

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AAAbbas AbbaszadeganAAAlireza AdlFNFateme Nemati

Key Points

  • To examine the effects of various rotary systems on the creation of dentinal defects in extracted teeth.
  • Ex vivo study design using extracted teeth.
  • Different rotary systems applied to prepare intracanal surfaces.
  • Assessment of dentinal defect incidence for each rotary system.
  • All rotary systems tested resulted in dentinal defects.
  • One-curve system resulted in a 26% incidence of defects.
  • One-shape system resulted in a 53% incidence of defects.

Abstract

All tested rotary systems induced dentinal defects. The lowest and highest incidence of dentinal defects occurred in teeth prepared using the One-curve (26%) and One-shape (53%) rotary instruments, respectively.

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Cite This Study

Abbaszadegan et al. (2026) studied this question.

synapsesocial.com/papers/69e47376010ef96374d8f338https://doi.org/10.30476/dentjods.2025.103410.2449
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