ArticleJournal of conservative dentistry and endodontics2026
Influence of contemporary nickel-titanium rotary systems on root canal dentin preservation: A cone-beam computed tomography-based
Article in Journal of conservative dentistry and endodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Context: Preservation of canal dentin during rotary root canal instrumentation is essential to maintain structural tooth strength and prevent procedural mishaps. Limited data exist comparing dentin changes between contemporary nickel-titanium (NiTi) rotary systems using three-dimensional imaging. Aims: This study aims to evaluate and compare canal dentin changes following instrumentation with three NiTi rotary file systems using cone-beam computed tomography (CBCT). Materials and Methods: Sixty-six extracted human mandibular premolars with single straight canals were decoronated and randomly allocated to three groups ( Statistical Analysis Used: One-way analysis of variance followed by Tukey's Results: Significant intergroup differences in dentin reduction were observed at all root levels ( Conclusions: Different NiTi rotary systems result in varying canal dentin changes. Among those evaluated, GenEndo preserved dentin most effectively, while ProTaper Gold resulted in greater dentin reduction. CBCT is a reliable tool for non-destructive assessment of dentin changes after instrumentation.
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