World Journal of Dentistry

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VOLUME 12 , ISSUE 3 ( May-June, 2021 ) > List of Articles

CLINICAL TECHNIQUE

A Novel Root Canal Preparation Technique Hybridizing Heat-treated Nickel-Titanium Rotary Instruments

Marco Seracchiani

Keywords : Endodontics, Hybrid heat treatment, Ni-Ti rotary instruments, Root canal treatment

Citation Information :

DOI: 10.5005/jp-journals-10015-1830

License: CC BY-NC 4.0

Published Online: 00-06-2021

Copyright Statement:  Copyright © 2021; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: This study aimed to assess the potential of the hybrid heat treatment (HHT) technique for shaping severely curved canals. Background: This innovative HHT technique combines the use of both Ni-Ti austenitic and martensitic Ni-Ti files, with a simplified sequence, to properly utilize the different files’ properties. Case description: The operative technique started with canal scouting and determination of working length using a size 10 SS K-file. Then, a specific sequence was applied using the F1 20.06v Ni-Ti austenitic file (EdgeTaper) for the preparation of the coronal and middle parts of the canal. This step was followed by S2 20.04 and F1 20.06v martensitic Ni-Ti files (EdgeTaper Platinum) to enlarge the canal until the apex reached. No intracanal breakage of any instruments or deformation of flutes was recorded. Conclusion: The present study describes a new HHT technique aiming at simplifying procedures and taking most of the different characteristics of the different heat treatment; the clinical cases seem to show its potentialities in terms of safety, speediness, effectiveness, and preservation of original anatomy. Clinical significance: The cases show the advantages of the newly proposed technique over a traditional approach to properly shape complex anatomies with only a few Ni-Ti rotary instruments number.


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