Influence of operator expertise on glide path and root canal preparation of curved root canals with rotary and reciprocating motions
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Australian Society of Endodontology
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Abstract
This study intended to help practitioners selecting the appropriate motionaccording to their level of expertise for glide path and complete root canalpreparation of curved canals in terms of instrument fracture and preparationtime. A total of 160 curved root canals (angle>30°, radius<6 mm) were allo-cated randomly to 4 groups: A/B for expert operators and C/D for nonexpertoperators. A/C were shaped with rotary and B/D with reciprocating instru-ments. Preparation time was registered and compared with Kruskal–Wallisnon-parametric test and Dunn’s post hoc test. Instrument separation was alsoregistered and compared with chi-square test. A fractographic analysis was per-formed with scanning electron microscopy. The use of reciprocation motionsallowed nonexpert operators to avoid instrument breakage during glide pathand to prepare root canals faster. Experts were equally effective in rotary/re-ciprocating root canal shaping and faster with rotary motions than nonexpertoperators, who also fractured significantly more rotary instruments.
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This is the peer reviewed version of the following article: Dablanca-Blanco AB, Arias A, Ginzo-Villamayor MJ, Pérez MC, Castelo-Baz P, Martín-Biedma B. Influence of operator expertise on glide path and root canal preparation of curved root canals with rotary and reciprocating motions. Aust Endod J. 2022 Apr;48(1):37-43, which has been published in final form at https://doi.org/10.1111/aej.12585. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Bibliographic citation
Dablanca-Blanco AB, Arias A, Ginzo-Villamayor MJ, Pérez MC, Castelo-Baz P, Martín-Biedma B. Influence of operator expertise on glide path and root canal preparation of curved root canals with rotary and reciprocating motions. Aust Endod J. 2022 Apr;48(1):37-43. doi: 10.1111/aej.12585. Epub 2021 Oct 26. PMID: 34699669.