Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study

<b>Objectives:</b> The aim of this study is to investigate how Adaptive Torque Control motion influences the shaping efficiency of Neolix EDMax (Neolix SAS, Évron, France) and its ability to reach working length with or without a pre-existing glide path. <b>Methods:</b> A tot...

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Main Authors: Vlad Mircea Lup, Carlo Gaeta, Ashkan Tavakkoli, Andreas Louloudiadis, Simone Grandini, Gabriela Ciavoi
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Dentistry Journal
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Online Access:https://www.mdpi.com/2304-6767/13/6/262
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author Vlad Mircea Lup
Carlo Gaeta
Ashkan Tavakkoli
Andreas Louloudiadis
Simone Grandini
Gabriela Ciavoi
author_facet Vlad Mircea Lup
Carlo Gaeta
Ashkan Tavakkoli
Andreas Louloudiadis
Simone Grandini
Gabriela Ciavoi
author_sort Vlad Mircea Lup
collection DOAJ
description <b>Objectives:</b> The aim of this study is to investigate how Adaptive Torque Control motion influences the shaping efficiency of Neolix EDMax (Neolix SAS, Évron, France) and its ability to reach working length with or without a pre-existing glide path. <b>Methods:</b> A total of 90 endo training blocks with an S-shape curvature were divided into three groups based on the kinematics and preparation phase: the control group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping after a glide path was established; the no glide path group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping without a glide path; and the Adaptive Torque Control group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping without a glide path but in an Adaptive Torque Control motion. The time for shaping, the instrument passes, and the ability to reach working length were recorded and analyzed using a one-way Anova and Tukey’s HSD post hoc test. <b>Results:</b> Establishing a glide path helped the shaping file to reach working length faster and in fewer passes when compared with the no glide path group, but the Adaptive Torque Control group was able to perform even better than the control group despite not having a pre-established glide path. <b>Conclusions:</b> The Adaptive Torque Control motion on continuous rotation instruments does impact their performance. Combining the efficiency of continuous rotation and the safety of reciprocation, this type of motion had a significant effect on the ability to shape the simulated root canal even in the presence of a double curvature and without a pre-established glide path.
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spelling doaj-art-0d002ec3b0cc45eab9f794a14cd1e4602025-08-20T03:26:56ZengMDPI AGDentistry Journal2304-67672025-06-0113626210.3390/dj13060262Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro StudyVlad Mircea Lup0Carlo Gaeta1Ashkan Tavakkoli2Andreas Louloudiadis3Simone Grandini4Gabriela Ciavoi5Doctoral School of Biomedical Sciences, University of Oradea, 410 087 Oradea, RomaniaUnit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, 53100 Siena, ItalyUnit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, 53100 Siena, ItalyPrivate Practice, London GU1 2AA, UKUnit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, 53100 Siena, ItalyFaculty of Medicine and Pharmacy, University of Oradea, 410 087 Oradea, Romania<b>Objectives:</b> The aim of this study is to investigate how Adaptive Torque Control motion influences the shaping efficiency of Neolix EDMax (Neolix SAS, Évron, France) and its ability to reach working length with or without a pre-existing glide path. <b>Methods:</b> A total of 90 endo training blocks with an S-shape curvature were divided into three groups based on the kinematics and preparation phase: the control group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping after a glide path was established; the no glide path group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping without a glide path; and the Adaptive Torque Control group, where the Neolix EDMax (Neolix SAS, Évron, France) was used for shaping without a glide path but in an Adaptive Torque Control motion. The time for shaping, the instrument passes, and the ability to reach working length were recorded and analyzed using a one-way Anova and Tukey’s HSD post hoc test. <b>Results:</b> Establishing a glide path helped the shaping file to reach working length faster and in fewer passes when compared with the no glide path group, but the Adaptive Torque Control group was able to perform even better than the control group despite not having a pre-established glide path. <b>Conclusions:</b> The Adaptive Torque Control motion on continuous rotation instruments does impact their performance. Combining the efficiency of continuous rotation and the safety of reciprocation, this type of motion had a significant effect on the ability to shape the simulated root canal even in the presence of a double curvature and without a pre-established glide path.https://www.mdpi.com/2304-6767/13/6/262dental equipmentroot canal preparationrotationtooth apexsingle fileworking length
spellingShingle Vlad Mircea Lup
Carlo Gaeta
Ashkan Tavakkoli
Andreas Louloudiadis
Simone Grandini
Gabriela Ciavoi
Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
Dentistry Journal
dental equipment
root canal preparation
rotation
tooth apex
single file
working length
title Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
title_full Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
title_fullStr Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
title_full_unstemmed Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
title_short Influence of the Adaptive Torque Control Motion on the Ability of Neolix EDMax to Reach Working Length When Used as a Single Shaping File—An In Vitro Study
title_sort influence of the adaptive torque control motion on the ability of neolix edmax to reach working length when used as a single shaping file an in vitro study
topic dental equipment
root canal preparation
rotation
tooth apex
single file
working length
url https://www.mdpi.com/2304-6767/13/6/262
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