ArticleJournal of conservative dentistry and endodontics2024
Phase transformation and metallurgical characterization of heat-treated nickel-titanium rotary instruments using differential scanning calorimetry, X-ray diffraction, and energy dispersive spectrometry.
Article in Journal of conservative dentistry and endodontics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Thermo-Mechanical Characterization of Innovative Side-Rounded Superelastic CuNiTi Orthodontic Wires.Journal of functional biomaterials · 2026Article
- Mechanical and elemental comparison of EndoStar and One Curve nickel-titanium endodontic files: AnJournal of conservative dentistry and endodontics · 2026Article
- Evaluation of the cyclic fatigue resistance of four specialist nickel-titanium files for primary teeth under simulated body temperature.Scientific reports · 2026Article
- Cyclic Fatigue of Rotary Versus Reciprocating Endodontic Files: An In Vitro Study of Engine-Driven Endodontic Files.Dentistry journal · 2026Article
- Cyclic fatigue resistance, number of uses, and morphological/chemical analysis of RCS Rainbow Files, VDW Rotate and ProTaper Ultimate: in vitro study.BMC oral health · 2025Article
- Buckling resistance of various pathfinding endodontic instruments: AnJournal of conservative dentistry and endodontics · 2025Article
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Authors and funding
5 authors.
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Abstract
Objective: The present study aimed to evaluate the phase transformation behavior and elemental analysis of thermomechanical-treated nickel-titanium (NiTi) rotary instruments, TruNatomy (Dentsply Sirona), HyFlex CM (coltene, Whaledent), and Neoendo Flex (Orikam healthcare India), using differential scanning calorimetry (DSC), X-ray diffraction (XRD), and energy dispersive X-ray spectrometry. Materials and Methods: A total of 18 NiTi rotary instruments, TruNatomy, Hyflex CM, Neoendo Flex, taper. 04, size 25 (except TruNatomy, size 26) were selected and were divided into three groups ( Results: The DSC results showed that the TruNatomy, Hyflex CM, and Neo Endo instruments had an Austenite finish (Af) temperature exceeding 37°C. The XRD graphs show the different intensity peaks that correspond to the various phases of NiTi rotary instruments. The TruNatomy is predominantly Austenite, Hyflex CM exists mainly in R-phase with a variable amount of austenite and martensite, while Neoendo flex endo mostly contains austenite phase. The elemental analysis revealed that all three file systems show Nickel and Titanium within their bulk structure in an equiatomic ratio. Conclusion: This study concluded that TruNatomy is predominantly martensite with a variable amount of austenite phase. There are differences in thermal transition temperature between the files.
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