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Journal articles on the topic 'Rotary Endodontic Files'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Faus-Llácer, Vicente, Nirmine Hamoud-Kharrat, María Teresa Marhuenda Ramos, et al. "Influence of the Geometrical Cross-Section Design on the Dynamic Cyclic Fatigue Resistance of NiTi Endodontic Rotary Files—An In Vitro Study." Journal of Clinical Medicine 10, no. 20 (2021): 4713. http://dx.doi.org/10.3390/jcm10204713.

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The aim of this study was to analyze and compare the influence of the geometrical cross-section design on the dynamic cyclic fatigue resistance of NiTi endodontic rotary files. Materials and Methods: Forty sterile endodontic rotary files were selected and distributed into the following study groups: A: 25.06 double S-shaped cross-section NiTi alloy endodontic rotary files (Mtwo) (n = 10); B: 20.04 rectangular cross-section NiTi alloy endodontic rotary files (T Pro E1) (n = 10); C: 25.04 convex triangular cross-section NiTi alloy endodontic rotary files (T Pro E2) (n = 10); and D: 25.06 triangu

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Faus-Matoses, Vicente, Vicente Faus-Llácer, Celia Ruiz-Sánchez, et al. "The Cyclic Fatigue Resistance of Different Lengths of CM Gold Wire and CM Blue Wire NiTi Alloy Endodontic Rotary Files: An In Vitro Study." Applied Sciences 13, no. 7 (2023): 4612. http://dx.doi.org/10.3390/app13074612.

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Background: The objective of the present study was to measure and compare how the length of CM Gold Wire and CM Blue Wire NiTi alloy endodontic rotary files impacts their resistance to cyclic fatigue. Methods: A total of 40 sterile endodontic rotary files were chosen and allocated to the following study groups: (A) 25.06 CM Gold wire NiTi alloy endodontic rotary files, 31 mm in length (n = 10); (B) 25.06 CM Gold wire NiTi alloy endodontic rotary files, 25 mm in length (n = 10); (C) 25.06 CM Gold wire NiTi alloy endodontic rotary files, 21 mm in length (n = 10); and (D) 25.06 CM Blue wire NiTi

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Al-Hashimi, Yasir, Ahmed Abyad, Ahmed Abyad, and Yasir Al-Hashimi. "A review on the effect of using rotary hyflex electrical discharge machining endodontic files on the formation of dentinal microcracks in straight root canals." Journal of Dental Health, Oral Disorders & Therapy 12, no. 4 (2021): 63–65. http://dx.doi.org/10.15406/jdhodt.2021.12.00551.

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Endodontic therapy is based on cleaning and shaping the canal system till the apex with total obturation of the canal. However, it is not always straightforward. Endodontics specialists face many complicated cases as sever curved canals, calcified canals and canals with previously initiated therapy which require to deal with. dental professionals pay attention to create new methods or to improve the already developed equipment and procedures to facilitate their work. Rotary endodontics files are in the center of attention. nowadays, recent files with extraordinary properties have been revoluti

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Faus-Matoses, Vicente, Raúl Pérez García, Vicente Faus-Llácer, et al. "Comparative Study of the SEM Evaluation, EDX Assessment, Morphometric Analysis, and Cyclic Fatigue Resistance of Three Novel Brands of NiTi Alloy Endodontic Files." International Journal of Environmental Research and Public Health 19, no. 7 (2022): 4414. http://dx.doi.org/10.3390/ijerph19074414.

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In this study, we compare and analyze the scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), morphometry and cyclic fatigue resistance of Endogal, PathMax, and Smarttrack novel brands of nickel–titanium (NiTi) alloy endodontic files. Material and Methods: Thirty sterile NiTi endodontic rotary files were randomly selected and assigned to one of the following study groups: A: 25.08 F2 Endogal (EDG) (n = 10); B: 25.08 F2 Path Max Pro (PMP) (n = 10); and C: 25.06 Smarttrack (ST) (n = 10). Dynamic cyclic fatigue tests were conducted using a cyclic fatigue device in stai

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Faus-Llácer, Vicente, Nirmine Hamoud Kharrat, Celia Ruiz-Sánchez, Ignacio Faus-Matoses, Álvaro Zubizarreta-Macho, and Vicente Faus-Matoses. "The Effect of Taper and Apical Diameter on the Cyclic Fatigue Resistance of Rotary Endodontic Files Using an Experimental Electronic Device." Applied Sciences 11, no. 2 (2021): 863. http://dx.doi.org/10.3390/app11020863.

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The aim of this study was to analyze the effect of the taper and apical diameter of nickel–titanium (NiTi) endodontic rotary files on the dynamic cyclic fatigue resistance. A total of 50 unused conventional NiTi wire alloy endodontic rotary instruments were used in this study. All NiTi endodontic rotary files were submitted to a custom-made dynamic cyclic fatigue device until fracture occurred. The time to failure, the number of cycles to failure, the number of pecking movements, and the length of the fractured file tip were analyzed using the analysis of variance (ANOVA) test. In addition, th

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Halebathi, Ramesh Giriyappa, Preeti Karan Dodwad, Veerendra M. Uppin, Bhavana Gandhi, Priyanka Sarangi, and Neetika Sahni. "Comparative Evaluation of the Efficacy of Two Methods of Sterilization for Rotary Nickel-Titanium Files: An in vitro Study." World Journal of Dentistry 2, no. 3 (2011): 193–98. http://dx.doi.org/10.5005/jp-journals-10015-1082.

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ABSTRACT Sterilization in endodontic practice is a must as the major motive of an endodontist is to combat endodontic diseases by eliminating the causative microorganisms. Owing to the design of the endodontic files, it is very conducive for the microorganisms and debris to be anchored onto them. So, the aim of this study was to investigate the sterilizing efficacy of two methods of sterilization using rotary nickeltitanium files: Autoclave and chemical sterilization using two solutions (Quitanet Plus and GlutraMil) and to check whether any sterilizing technique could match the standard of aut

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Zubizarreta-Macho, Álvaro, Jesús Mena Álvarez, Alberto Albaladejo Martínez, et al. "Influence of the Pecking Motion Frequency on the Cyclic Fatigue Resistance of Endodontic Rotary Files." Journal of Clinical Medicine 9, no. 1 (2019): 45. http://dx.doi.org/10.3390/jcm9010045.

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Purpose: To analyze the influence of the pecking motion frequency on the cyclic fatigue resistance of endodontic rotary files. Material and Methods: Sixty PlexV 25.06 endodontic rotary files were selected and distributed into three groups: 30 movements/min (n = 20), 60 movements/min (n = 20), and 120 movements/min (n = 20). A dynamic cyclic fatigue device was designed using Computer Aided Design/ Computer Aided Engineering (CAD/CAE) technology and manufactured by 3D impressions to simulate the pecking motion performed by an operator. Failures of the endodontic rotary files were detected by a L

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Roda-Casanova, Victor, Antonio Pérez-González, Álvaro Zubizarreta-Macho, and Vicente Faus-Matoses. "Fatigue Analysis of NiTi Rotary Endodontic Files through Finite Element Simulation: Effect of Root Canal Geometry on Fatigue Life." Journal of Clinical Medicine 10, no. 23 (2021): 5692. http://dx.doi.org/10.3390/jcm10235692.

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This article describes a numerical procedure for estimating the fatigue life of NiTi endodontic rotary files. An enhanced finite element model reproducing the interaction of the endodontic file rotating inside the root canal was developed, which includes important phenomena that allowed increasing the degree of realism of the simulation. A method based on the critical plane approach was proposed for extracting significant strain results from finite element analysis, which were used in combination with the Coffin–Manson relation to predict the fatigue life of the NiTi rotary files. The proposed

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Chianello, Giovani, Vivyane Leal Specian, Lilian Cristina Fucuda Hardt, Denise Pontes Raldi, José Luiz Lage-Marques, and Sandra Márcia Habitante. "Surface finishing of unused rotary endodontic instruments: a SEM study." Brazilian Dental Journal 19, no. 2 (2008): 109–13. http://dx.doi.org/10.1590/s0103-64402008000200004.

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During endodontic therapy, cleaning of root canals is performed using endodontic files and auxiliary chemical substances, and it is important that the endodontist be familiar with the instruments used in daily practice. This study evaluated, under scanning electron microscopy (SEM), the quality of the surface finishing of unused rotary endodontic instruments. Fifty sizes 20, 25 and 30 rotary files from different commercial brands (ProFile, Protaper, Race, Hero and K3 Endo) were removed directly from their packages and had their final 3 mm examined with a scanning electron microscope at x190 ma

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Nanavati, Komal, Farhin Katge, Manohar Poojari, Shilpa Shetty, and Aishwarya Kamble. "Comparative Evaluation of Apically Extruded Debris during Pulpectomy Procedure in Primary Molar Teeth Using Two Different Rotary Systems and Hand Files: An In Vitro Study." International Journal of Dentistry 2022 (June 6, 2022): 1–8. http://dx.doi.org/10.1155/2022/9433225.

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Background. Successful outcome of endodontic treatment depends on chemomechanical preparation of the tooth. However, during canal preparation, debris may extrude through the apical foramen causing postoperative complications. The aim of this study is to evaluate and compare the amount of apically extruded debris during the pulpectomy procedure in primary molar teeth using two different rotary files and hand files. Materials and Methods. Distal roots of sixty extracted primary molars were divided into three groups: group A: Prime Pedo™ pediatric rotary files, group B: DXL-Pro Pedo™ pediatric ro

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Singh, Harpreet. "Redefining the new generation endodonticsGenEndo Files: cases reports and review." Journal of Dental Health, Oral Disorders & Therapy 13, no. 1 (2022): 21–23. http://dx.doi.org/10.15406/jdhodt.2022.13.00564.

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While there is a plethora of rotary endodontic files available to dental professionals, the need of a simple, easy to use and yet efficient rotary file system is still felt at times. The scientists and researchers are in constant quest, designing new systems which can fulfil all the criteria of a perfect rotary file system. Lately, a new system GenENDO™ rotary endodontic files has been launched, the features of which seem promising enough to satisfy the requirements of a dentist, when it comes to choosing an ideal rotary file system.

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Shubhashini, N., Gourav K. Sahu, Shivani Consul, KJ Nandakishore, and Md Idris. "Rotary Endodontics or Reciprocating Endodontics: Which is New and Which is True?" Journal of Health Sciences & Research 7, no. 2 (2016): 51–57. http://dx.doi.org/10.5005/jp-journals-10042-1035.

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ABSTRACT In the past, shaping of root canals was done using stainless steel (SS) hand files. The introduction of rotary instrumentation has revolutionized the art and science of endodontic practice in the last decade with predictable success. The rotary files have been subjected to constant evolution in the form of metallurgy, design features, and the manner in which these instruments are driven (rotary/reciprocation), etc., resulting in revolution, both within the canal and in the area of contemporary endodontics. The purpose of this review is to identify publications regarding the evaluation

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Dablanca-Blanco, Ana-Belén, Pablo Castelo-Baz, Ramón Miguéns-Vila, Pablo Álvarez-Novoa, and Benjamín Martín-Biedma. "Endodontic Rotary Files, What Should an Endodontist Know?" Medicina 58, no. 6 (2022): 719. http://dx.doi.org/10.3390/medicina58060719.

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Clinicians should be aware of all the characteristics and capacities of the instruments that are possible to use when conducting a root canal treatment. The wide variety of nickel–titanium (Ni-Ti) rotary systems on the market and the lack of standardisation of this type of instrument makes the choice in each specific case difficult. Therefore, this review is intended to summarize the characteristics that should be taken into account when choosing one instrument over another. It will be essential to know characteristics, of alloy from which the instrument is made. Moreover, the geometry of the

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Faus-Matoses, Vicente, Eva Burgos Ibáñez, Vicente Faus-Llácer, Celia Ruiz-Sánchez, Álvaro Zubizarreta-Macho, and Ignacio Faus-Matoses. "Comparative Analysis of Ease of Removal of Fractured NiTi Endodontic Rotary Files from the Root Canal System—An In Vitro Study." International Journal of Environmental Research and Public Health 19, no. 2 (2022): 718. http://dx.doi.org/10.3390/ijerph19020718.

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This study aimed at analyzing and comparing the ease of removal of fractured nickel–titanium (NiTi) endodontic rotary files from the root canal system between the ultrasonic tips and the Endo Rescue appliance removal systems, as well as comparing the volume of dentin removed between ultrasonic tips and the Endo Rescue appliance using a micro-computed tomography (micro-CT) scan. Material and Methods: Forty NiTi endodontic rotary files were intentionally fractured in 40 root canal systems of 20 lower first molar teeth and distributed into the following study groups: A: Ultrasonic tips (n = 20) (

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Singgam, Sneha, and Bharti Lisam. "A study on comparison of cleaning efficiency of rotary and manually operated endodontic files." IP Indian Journal of Conservative and Endodontics 9, no. 2 (2024): 66–69. http://dx.doi.org/10.18231/j.ijce.2024.015.

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: The purpose of this study is comparison of cleaning efficiency of rotary and manual endo files during cleaning and shaping of primary and permanent tooth.: A total of 100 articles were searched in pubmed on cleaning efficiency of rotary and manual files. Articles which had protocol on cleaning efficacy rather than cyclic fatigue and torsional effects were included. A total of 15 articles were assessed out of which 7 were included.: Rotary files were found to have significantly better cleaning efficiency and less time consumption on primary and permanent tooth. However manual endodontic files

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Vashisht, Arun, Nairuti Dave, and Navjot Singh. "Comparative Analysis of Cyclic Fatigue Resistance of NeoEndo Flex Vs Protaper Gold Rotary Files: An In-Vitro Study." SVOA Dentistry 5, no. 3 (2024): 73–77. http://dx.doi.org/10.58624/svoade.2024.05.0173.

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Background: During the endodontic process, cleaning and shaping are essential steps. The fracture of nickel-titanium (NiTi) tools is a procedural issue that significantly impedes therapy in normal endodontic therapy. Efficient and reliable endodontic therapy requires rotary NiTi files that demonstrate superior cyclic fatigue resistance to prevent file separation within the canal. This study aimed to investigate the in-vitro cyclic fatigue resistance of two commonly used rotary NiTi files: NeoEndo Flex file and ProTaper Gold file. Methods: The cyclic fatigue tests were carried out by determinin

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Ruiz-Sánchez, Celia, Vicente Faus-Llácer, Ignacio Faus-Matoses, Álvaro Zubizarreta-Macho, Salvatore Sauro, and Vicente Faus-Matoses. "The Influence of NiTi Alloy on the Cyclic Fatigue Resistance of Endodontic Files." Journal of Clinical Medicine 9, no. 11 (2020): 3755. http://dx.doi.org/10.3390/jcm9113755.

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Background: The aim of this study was to analyze the influence of NiTi alloy in endodontic rotary instruments on cyclic fatigue resistance. Methods: One hundred and sixty-four (164) sterile endodontic rotary files were selected and distributed into the following study groups: A: 25.08 F2 ProTaper Universal (PTU) (n = 41); B: 25.06 X2 ProTaper Next (PTN) (n = 41); C: 25.08 F2 ProTaper Gold (PTG) (n = 41), and D: 25.06 ProFile Vortex Blue (PVB) (n = 41). A cyclic fatigue device was designed to conduct the static cyclic fatigue tests with stainless steel artificial root canals systems with 250 µm

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De Pedro-Muñoz, Ana, Cristina Rico-Romano, Patricia Sánchez-Llobet, José María Montiel-Company, and Jesús Mena-Álvarez. "Cyclic Fatigue Resistance of Rotary Versus Reciprocating Endodontic Files: A Systematic Review and Meta-Analysis." Journal of Clinical Medicine 13, no. 3 (2024): 882. http://dx.doi.org/10.3390/jcm13030882.

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(1) Background: The failure of nickel–titanium (NiTi) rotary files is a complication related to endodontic instruments. The aim of this study was to compare the resistance to cyclic fatigue between rotary and reciprocating file systems. (2) Methods: Specific PICO: Population (P): artificial root canals; Interventions (I): instrumentation with NiTi rotary and reciprocating files; Comparison (C): rotary versus reciprocating files; Outcome (O): cyclic fatigue resistance. Studies were identified through bibliographic research using electronic databases (Medline, Embase, Scopus, SciELO, and WOS). T

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Samrithi, Yuvaraj, and S. Delphine Priscilla Antony Dr. "CONTINUOUS V/S RECIPROCATING FILE MOTION – A REVIEW." International Journal of Multidisciplinary Research and Modern Education 3, no. 1 (2017): 262–64. https://doi.org/10.5281/zenodo.569091.

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<strong>Aim: </strong>To review the continuous and reciprocating file motions in endodontics <strong>Back Ground: </strong>The first endodontic file was crafted in the mid 1800’s. Thiis was basically a rudimentary k-file. K-files are, to these days. The most commonly used hand files in clinical practice. Automated instrumentation of the root canal was an early objective of clinical endodontics. Around 1992-1993, the first rotary NiTi instrument was introduced. These rotary NiTi instruments have undergone various modifications over the years to make them more effective and also to enhance their

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Roda-Casanova, Victor, Álvaro Zubizarreta-Macho, Francisco Sanchez-Marin, Óscar Alonso Ezpeleta, Alberto Albaladejo Martínez, and Agustín Galparsoro Catalán. "Computerized Generation and Finite Element Stress Analysis of Endodontic Rotary Files." Applied Sciences 11, no. 10 (2021): 4329. http://dx.doi.org/10.3390/app11104329.

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Introduction: The finite element method has been extensively used to analyze the mechanical behavior of endodontic rotary files under bending and torsional conditions. This methodology requires elevated computer-aided design skills to reproduce the geometry of the endodontic file, and also mathematical knowledge to perform the finite element analysis. In this study, an automated procedure is proposed for the computerized generation and finite element analysis of endodontic rotary files under bending and torsional conditions. Methods: An endodontic rotary file with a 25mm total length, 0.25mm a

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Rajkhan, Wael Hisham, Abdullah Hussain Alasmari, Abduljalil Bader Alhadi, et al. "Rotary endodontic files versus manual files for root canal treatment." International Journal Of Community Medicine And Public Health 8, no. 10 (2021): 5113. http://dx.doi.org/10.18203/2394-6040.ijcmph20213688.

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Many studies have been published to compare the efficacy of root canal filling with either rotary and manual instrumentation. The most commonly reported factors included instrumentation, obturation time and to obturation quality. Besides, the different studies in the literature have used different assessment tools and parameters of their outcomes. In addition, to using different rotary instrumentation techniques. In thisliterature review, we have formulated strong evidence regarding the effectiveness of rotary and manual instrumentation files for root canal filling based on the findings from t

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Anwar, Aosaf, Feroze Ali Kalhoro, Mowaffaq Abdullmomen Al Absi, Fozia Rajput, Osama Shaikh, and Batool Bibi. "Compare of the Frequency of Instrument Fracture of Endodontic File Using Rotary Pro Tapers and HY Flex Series." Pakistan Journal of Medical and Health Sciences 16, no. 5 (2022): 1421–23. http://dx.doi.org/10.53350/pjmhs221651421.

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Objective: To compare the frequency of instrument fracture of endodontic file using Rotary Pro Tapers and EDM Hy Flex series. Study Design & Setting: This experimental in vitro study was conducted at Institute of Dentistry Liaquat University of Medical and Health Sciences Jamshoro. Subjects and Methods: Data was prospectively collected from extracted human teeth. A total of 66 canals were included. Simple descriptive statistics were used to present demographic data, along with frequency and percentages to present qualitative variables. It was decided to perform a post-stratification chi sq

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Shitole, Samruddhi Yogesh, Ashwini Avinash Gaikwad, Abhijit Bajirao Jadhav, Rajlaxmi Pradeep Patil, Rajeeta Joseph, and Ruchira Kishor Bhamare. "Frozen Assets: Unveiling the Potential of Cryotherapy in Modern Endodontic Therapy." Indian Journal of Dental Sciences 17, no. 2 (2025): 89–94. https://doi.org/10.4103/ijds.ijds_42_24.

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Patients receiving endodontic therapy may experience pain and inflammation after treatment. Cryotherapy could be a remedial method broadly utilized within the field of medicine and dentistry, considered successful at lessening edema, swelling, pain, and irritation. In endodontics, it is relatively modern and may be advantageous in the prevention and treatment of postoperative pain. Additionally, cryogenic treatment is considered a key factor in reinforcing nickel–titanium rotary endodontic files. Further carefully planned clinical trials must be carried out to ascertain the effective use of cr

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Zivkovic, Slavoljub, Marijana Popovic-Bajic, Milica Jovanovic-Medojevic, and Jelena Neskovic. "Single-file endodontic treatment -a perspective endodontic concept." Vojnosanitetski pregled, no. 00 (2021): 78. http://dx.doi.org/10.2298/vsp210524078z.

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The introduction of NiTi rotary files into endodontic practice is one of the biggest steps towards more successful and better canal treatment. New perspectives in endodontics have been opened, thanks primarily to the extreme flexibility and the feature of smart materials to be able to return to their original shape after deformation. New concepts of making these files in recent years include the introduction of new alloys to improve their features, ie a new specific design of the workpiece that provides efficient cutting and elimination of dentin with a significant reduction in stress and poss

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Patturaja, Kiruthika, L. Leelavathi, and Jayalakshmi S. "Choice of Rotary Instrument Usage among Endodontists – A Questionnaire Study." Biomedical and Pharmacology Journal 11, no. 2 (2018): 851–56. http://dx.doi.org/10.13005/bpj/1441.

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The aim of the study is to find the rotary instrument usage and preferred brand of rotary instrument among endodontists working in dental colleges, Chennai. A rotary instrument is used to remove or reduce tooth matter and to shape teeth during endodontic procedure. Rotary instrument includes burs and endodontic files. Various brands of rotary instruments are currently available in the market which includes dentsply protaper, Mtwo, endostar, k3 XF files, Heroshaper etc. The choice of rotary instrument by a dentist is governed by various factors like their efficiency, ductility, sharpness, cross

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Monea, Monica, Carmen Biris, Edwin Sever Bechir, Nicoleta Suciu, Anca Maria Pop, and Peter Olah. "Effectiveness of Nickel-Titanium Endodontic Instruments on Smear Layer Removal from Radicular Dentin. A Scanning Electron Microscopy Study." Revista de Chimie 68, no. 11 (2017): 2519–22. http://dx.doi.org/10.37358/rc.17.11.5919.

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The aim of our study was to evaluate the cleaning effect of nickel-titanium (Ni-Ti) rotary files on the smear layer formed on the radicular dentine walls during endodontic procedures. We used 50 freshly extracted maxillary permanent teeth divided in two study groups according to the instruments used for cleaning: Group 1 with ProTaper Ni-Ti rotary files, Group 2 with manual Ni-Ti files. Longitudinal sections of root canals from each group were evaluated by scanning electron microscopy (SEM) in the apical, middle and coronal sections. Representative microphotographs were taken and double blind

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Brkanic, Tatjana, Slavoljub Zivkovic, and Milan Drobac. "Root canal preparation techniques using nickel-titanium rotary instruments." Medical review 58, no. 3-4 (2005): 203–7. http://dx.doi.org/10.2298/mpns0504203b.

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Introduction The main purpose of endodontic treatment is to clean the root canal system, eliminate the infected and toxic contents, and shape it in order to get a tridimensional obturation. The aim of this paper is to inform dental practitioners about crown-down techniques for root canal preparation using nickel-titanium rotary instruments. Root canal preparation Today most endodontists believe that root canal preparation is more officious, cleaning and shaping are better, if pre-enlargement of coronal two thirds is performed first, and shaping of the apical part later. Machine driven rotary i

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Shahi, Shahriar, Mahmoud Bahari, Mohammad Samiei, Hamidreza Yavari, and Shabnam Mohammadzadeh. "Effect of RaCe, ProTaper, and V-Taper rotary systems on dentinal crack formation during endodontic treatment: An in vitro study." Journal of Dental Research, Dental Clinics, Dental Prospects 15, no. 4 (2021): 251–55. http://dx.doi.org/10.34172/joddd.2021.041.

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Background. Prevention of dentinal crack formation is of utmost importance in endodontic treatment. This study aimed to evaluate the effect of RaCe, ProTaper, and V-Taper rotary systems on dentinal crack formation in three root regions during endodontic treatment. Methods. Seventy human mandibular first molars were selected randomly, and their distal roots were used. Ten samples were assigned to the control group, and sixty samples were assigned to three groups (n=20). Each group was prepared with RaCe, ProTaper, or V-Taper rotary files according to the manufacturers’ instructions. A stereomic

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Singh, Rimjhim, Sandeep Dubey, Palak Singh, Praveen Singh Samant, and Suparna Ganguly Saha. "Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis." Journal of Conservative Dentistry and Endodontics 27, no. 1 (2024): 62–67. http://dx.doi.org/10.4103/jcde.jcde_96_23.

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Abstract Background: Recent innovations in the physical and mechanical features of endodontic file systems have diminished the prospect of stress generation and fracture risk in novel endodontic files. Aim: The purpose of this research was to comparatively evaluate the stress distribution of recently introduced endodontic rotary files with distinct features and metallurgy at three different levels of the root canal wall by finite element analysis. Materials and Methods: Forty endodontic files were used in this experiment after being inspected through a scanning electron microscope for any surf

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Neha, Shetty, Priya Subramaniam, and Megha Gupta. "Comparative assessment of cleaning efficacy of Kedo-SH manual and Kedo-S rotary endodontic files in deciduous molars - an in-vitro study." International Journal of Pedodontic Rehabilitation 7, no. 2 (2022): 57–62. http://dx.doi.org/10.56501/intjpedorehab.v7i2.684.

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Introduction: Preparation of root canals in deciduous molars can be challenging due to their inherent anatomy. Endodontic files were introduced recently for exclusive use in deciduous dentition. Hence, the aim of the present comparative study was to assess the cleaning efficacy of manual and rotary endodontic files in deciduous molars. Methods and materials: Sixty canals of recently extracted deciduous molars were selected which did not have more than one-third of their root length resorbed. Following working length determination, India ink dye was injected into all the canals. They were arbit

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Khabadze, Z. S., and F. R. Ismailov. "Investigation of cyclic fatigue of rotary endodontic instruments." Endodontics Today 20, no. 1 (2022): 28–35. http://dx.doi.org/10.36377/1683-2981-2022-20-1-28-35.

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Aim. To study the properties and resistance to cyclic loading of nickel-titanium files with a martensitic phase. The use of nickel-titanium instruments is an integral part of the endodontic treatment of root canals. During endodontic treatment, nickel-titanium instruments experience a huge load, which is manifested by fatigue of nickel-titanium instruments, in the form of a fracture.Purpose. To determine the resistance of nickel-titanium files to mechanical, chemical and temperature stress.Materials and methods. A nickel-titanium file with a martensitic S-flexi phase from Geosoft was selected

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Parmar, Anisha, Niraj Kinariwala, Nirav Parekh, Vishwesh Joshi, Riya Modi, and Urooj Desai. "Evaluation of surface topography of two different heat treated NiTi file systems used with sodium hypochlorite: A stereomicroscope and SEM study." Bioinformation 21, no. 05 (2025): 1257–65. https://doi.org/10.6026/973206300211257.

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The surface grooves on endodontic files act as stress concentration and it lowers their susceptibility to fatigue fracture. Hence, 80 first mandibular molars were prepared with 40 rotary instruments, 20 One Curve (OC; Micro-Mega) and 20 TruNatomy (TN; Dentsply Sirona,) rotary files. The files were rotated in mesial curved canals with irrigation with 5.25% sodium hypochlorite (Normal temperature and preheated) and inspected under SEM for surface roughness. Stereomicroscope analysis was done for Unwinding and Distortion. One Curve files showed signs of deformation and distortion earlier as compa

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Kovacs Ivacson, Andrea Csinszka, Mariana Pacurar, Monica Monea, et al. "Efficiency of Different Nickel-Titanium Endodontic File Systems in Cleaning and Apical Transportation of Simulated Curved Root Canals." Revista de Chimie 68, no. 5 (2017): 957–61. http://dx.doi.org/10.37358/rc.17.5.5589.

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The use of nickel-titanium instruments have become an important part of the root canal treatment, in order to facilitate the cleaning and shaping of root canals, because the incorrect utilization of the endodontic files during endodontic treatment may produce unwanted procedural errors. The aim of this study was to evaluate on simulated curved root canal models the cleaning efficiency and the apical transportation in three reference areas of the root canal files, ProTaper (Dentsply Maillefer), K3XF (Sybron Endo) and HyFlex (Coltene Endo) systems, compared to the hand K-files (DentsplyMaillefer

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Karia, Hiral Milap, Ishita Vaghela, Archan Dhanesha, Mrugnayani, Pranav Solanki, and Rangesing Rathwa. "Microscopic Evaluation of Dentinal Defects after Root Canal Preparation with Different Hand and Nickel-Titanium Files; An In Vitro Study." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (2024): S714—S716. http://dx.doi.org/10.4103/jpbs.jpbs_960_23.

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ABSTRACT Background: Effective endodontic instrumentation aims to remove microorganisms, debris, and tissue from the root canal while maintaining dentinal integrity. This study compares dentinal defect incidence following canal preparation with different hand files, nickel-titanium rotary files, and reciprocating files Materials and Methods: Eighty single-rooted mandibular premolars with mature apices were collected. Four groups (n = 20) were established based on canal patency establishment, canal preparation technique, irrigation solution, and final irrigation. After root sectioning at 3 mm,

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Nagpal, Rashmeet, Dakshita Joy Sinha, Ruchi Rathi, Aditya Gupta, Nikhil Puri, and Rahul Paul. "Effect of continuous rotary and reciprocating motions on cyclic fatigue resistance of two different nickel–titanium endodontic files: An in vitro study." Endodontology 37, no. 1 (2025): 85–89. https://doi.org/10.4103/endo.endo_13_24.

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Aim: The objectives of this study were to evaluate and compare the cyclic fatigue resistance (CFR) of TruNatomy (TRN) and WaveOne Gold (WOG) nickel–titanium files subjected to continuous rotary and reciprocating motions. Methods: Forty files were divided into two groups which were further divided into two subgroups where Group 1A and Group 2A consisted of 10 samples having size 26, 4% taper TRN files and 25, 7% taper WOG files, respectively, with each file subjected to rotary motion, whereas Group 1B and Group 2B consisted of 10 samples having size 26, 4% taper TRN files and 25, 7% taper WOG f

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Martins, Rui F., Alexandre Fernandes, Gonçalo Lóios, and António Ginjeira. "Fatigue resistance of rotary endodontic files subjected to planar and non-planar curvatures induced by in vitro tooth canals." International Journal of Structural Integrity 8, no. 6 (2017): 656–69. http://dx.doi.org/10.1108/ijsi-01-2017-0005.

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Purpose The purpose of this paper is to assess the fatigue life of different sizes of HyFlex CM™ endodontic files when submitted to planar or to non-planar curvatures, and to two different rotational speeds, namely 500 rpm or 250 rpm. The influence of superimposing back and forth motion to rotational bending of endodontic files was also assessed. Design/methodology/approach In all, 64 HyFlex CM™ files of different sizes, namely ref. 0.04/20, 0.06/20, 0.04/35 and 0.06/35, were submitted to rotational bending tests at two different rotational speeds. The planar radius of curvature imposed to the

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Gkampesi, S., Z. Mylona, T. Zarra, and T. Lambrianidis. "Assessment of Apical Extrusion of Debris during Endodontic Retreatment with 3 Rotary Nickel-Titanium Retreatment Systems and Hand Files." Balkan Journal of Dental Medicine 20, no. 1 (2016): 22–28. http://dx.doi.org/10.1515/bjdm-2016-0003.

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SummaryAim: to evaluate the amount of debris extruded apically as well as the time needed for removal of root canal filling material using ProTaper, MTwo, REndo NiTi rotary retreatment systems and hand files.Materials and methods: 60 freshly extracted human single-rooted teeth were instrumented with Protaper files and obturated with gutta-percha and MTA Fillapex sealer with the cold lateral compaction technique. Teeth were then randomly assigned to 4 groups. ProTaper, MTwo, REndo rotary retreatment systems and Hedstroem hand files were utilized for root canal filling removal. Debris extruded a

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Travassos, Rosana Maria Coelho, Eliana Santos Lyra da Paz, Alexandre Batista Lopes Do Nascimento, et al. "ENDODONTIC TREATMENT OF UPPER FIRST PREMOLAR WITH 3 ROOT CANALS." LUMEN ET VIRTUS 16, no. 48 (2025): 4837–45. https://doi.org/10.56238/levv16n48-022.

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This case report highlights the successful non-surgical endodontic treatment of a maxillary first molar with unusual morphology. The treatment was performed with special C-Pilot and Glide Path files to obtain patency, and a rotary mechanized system, Sequence Rotary File from MK Life, with 2.5% Sodium Hypochlorite as an irrigating solution. The obturation was performed using the single cone technique associated with Sealer Plus sealer. It is concluded that a thorough knowledge of the variations in root canal anatomy is necessary for the success of the endodontic procedure.

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Travassos, Rosana Maria Coelho, Eliana Santos Lyra Da Paz, Alexandre Batista Lopes Do Nascimento, et al. "ENDODONTIC TREATMENT OF UPPER FIRST PREMOLAR WITH 3 ROOT CANALS." LUMEN ET VIRTUS 16, no. 50 (2025): 8388–96. https://doi.org/10.56238/levv16n50-029.

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This case report highlights the successful non-surgical endodontic treatment of a maxillary first molar with unusual morphology. The treatment was performed with special C-Pilot and Glide Path files to obtain patency, and a rotary mechanized system, Sequence Rotary File from MK Life, with 2.5% Sodium Hypochlorite as an irrigating solution. The obturation was performed using the single cone technique associated with Sealer Plus sealer. It is concluded that a thorough knowledge of the variations in root canal anatomy is necessary for the success of the endodontic procedure.

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Ostanina, D. A., Yu A. Mitronin, D. V. Anisimova, and A. V. Mitronin. "Optimization of difficult endodontic treatment with nickel-titanium files in martensitic and austenitic phase." Endodontics Today 22, no. 1 (2024): 4–10. http://dx.doi.org/10.36377/et-0004.

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INTRODUCTION. Nickel-titanium alloys and cutting-edge design of endodontic files continue to revolutionize. In addition to variations in the design of nickel-titanium files, manufacturers have implemented several proprietary manufacturing processing procedures to improve their mechanical properties.AIM. The aim of the study was to improve the quality of mechanical instrumentation of highly curved root canals based on the data of laboratory and experimental analysis of rotary endodontic instruments made of nickel-titanium alloys of various modifications.MATERIAL AND METHODS. As part of the rese

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Subramaniam, Priya, KL Girish Babu, and TA Tabrez. "Effectiveness of Rotary Endodontic Instruments on Smear Layer Removal in Root Canals of Primary Teeth: A Scanning Electron Microscopy Study." Journal of Clinical Pediatric Dentistry 40, no. 2 (2016): 141–46. http://dx.doi.org/10.17796/1053-4628-40.2.141.

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Aim : The present SEM study was undertaken to evaluate the effect of root canal instrumentation using both manual and rotary files in the root canals of primary anterior teeth. Study design: Thirty freshly extracted primary maxillary incisors were divided into 3 groups of 10 teeth each. In Group I, root canals were instrumented with rotary NiTi files; in Group II, the root canals were instrumented using manual NiTi K files and; in Group III, manual instrumentation was done with stainless steel K files. Longitudinal sections were prepared and processed for observation under SEM at the coronal,

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Faus-Matoses, Vicente, Vicente Faus-Llácer, Celia Ruiz-Sánchez, et al. "Effect of Rotational Speed on the Resistance of NiTi Alloy Endodontic Rotary Files to Cyclic Fatigue—An In Vitro Study." Journal of Clinical Medicine 11, no. 11 (2022): 3143. http://dx.doi.org/10.3390/jcm11113143.

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The present study aims to evaluate and contrast the function of the rotational speed of NiTi alloy endodontic rotary files on how resistant they are to dynamic cyclic fatigue. Methods: A total of 150 NiTi alloy endodontic rotary files with similar geometrical design and metallurgical properties were randomly divided into study groups: Group A: 200 rpm (n = 30); Group B: 350 rpm (n = 30); Group C: 500 rpm (n = 30); Group D: reciprocating movement at 350 rpm with 120° counterclockwise and 30° clockwise motion (350 rpm+) (n = 30); and Group E: reciprocating movement at 400 rpm with 120° countercl

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Pesic, Dragana, Irena Melih, Veljko Kolak, Ana Nikitovic, and Ankica Jakovljevic. "Evaluation of apically extruded debris during removal of gutta-percha and ResilonTM using different instrumentation techniques." Vojnosanitetski pregled 75, no. 1 (2018): 56–61. http://dx.doi.org/10.2298/vsp160226321p.

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Background/Aim. Apical extrusion of material is considered as one of the very important factor for endodontic treatment success. Microorganisms, necrotic tissue, filling material and irrigants, which can be extruded apically during endodontic retreatment, may jeopardize the success of the therapy. The aim of this in vitro study was to quantitatively evaluate the amount of apically extruded debris during endodontic retreatment of teeth obturated with two different materials, using one hand and three rotary instrumentation techniques. Methods. Ninety-six extracted single-rooted teeth were endodo

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Vashisht, Arun, Arundhati Sharma, and Amandeep Kaur Sandhu. "Evaluation of Post-Operative Pain Subsequent to Endodontic Treatment Utilizing Hand and Pedoflex Rotary files in Primary Mandibular Molars: A Clinical Investigation." SVOA Dentistry 5, no. 2 (2024): 57–61. http://dx.doi.org/10.58624/svoade.2024.05.0170.

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Aim: To comparatively evaluate postoperative pain levels following root canal instrumentation with hand files versus Pedoflex rotary files in primary mandibular molars. Material and Methods: This randomized clinical trial involved 60 children aged 6-10 years with primary mandibular molars requiring pulpectomy. They were divided into two groups: Group I received hand K file instrumentation, and Group II was treated with Pedoflex rotary files. Pain levels were recorded using the Wong-Baker FACES Pain Rating Scale at 6, 12, 24, 48, and 72 hours postoperatively. Results: The Pedoflex rotary file g

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Hamdy, Tamer M., Manar Galal, Amira Galal Ismail, and Rasha M. Abdelraouf. "Evaluation of Flexibility, Microstructure and Elemental Analysis of Some Contemporary Nickel-Titanium Rotary Instruments." Open Access Macedonian Journal of Medical Sciences 7, no. 21 (2019): 3647–54. http://dx.doi.org/10.3889/oamjms.2019.811.

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BACKGROUND: Contemporary nickel-titanium (NiTi) rotary endodontic instruments had a revolutionary impact on the success of root canal treatment. AIM: To evaluate the flexibility, microstructure and elemental analysis of four different recent NiTi rotary instruments, namely; Wave One Gold, TF adaptive, HyFlex EDM and Gr_Reciproc Blue compared to conventional Protaper Universal (F2). MATERIAL AND METHODS: The NiTi rotary files were subjected to cantilever bending test to evaluate their flexibility. The microstructural characteristics and elemental analysis were examined via scanning

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Sarwar, Huma, Meshal M. Meshal M Naeem, Sumaiya Shabbir, Sania Riaz, Hasan Afaq, and Juzer Shabbir. "Effect of Hydrogen Peroxide on Cyclic Fatigue Resistance of NiTi Endodontic Files." Journal of the Pakistan Dental Association 29, no. 04 (2020): 246–48. http://dx.doi.org/10.25301/jpda.294.246.

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OBJECTIVE: To investigate the effect of nickel titanium rotary endodontic file immersion in hydrogen peroxide on cyclic fatigue resistance. METHODOLOGY: Twenty Six Protaper Universal (Dentsply Maillerfier) F1 files were randomly divided into two experimental groups. In Group I, Protaper universal variable taper F1 files were immersed in normal saline where as in Group II, the files were soaked in hydrogen peroxide (6% w/v) for 2 hours at 37°C. Cyclic fatigue of each file was checked by recording the number of rotations required to break a file in a 90°curve with a 5 mm radius. For statistical

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Sánchez, Patricia, Benedetta Vidi, Jesús Mena-Alvarez, Javier Gil, Cristina Rico, and Juan Manuel Aragoneses. "Effect of Stabilized Martensite on the Long-Term Performance of Superelastic NiTi Endodontic Files." Materials 16, no. 11 (2023): 4089. http://dx.doi.org/10.3390/ma16114089.

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One of the most used rotary files in endodontics is NiTi files due to their superelastic properties. This property means that this instrument has extraordinary flexion that can adapt to large angles inside the tooth canals. However, these files lose their superelasticity and fracture during use. The aim of this work is to determine the cause of fracture of the endodontic rotary files. For this purpose, 30 NiTi F6 SkyTaper® files (Komet, Germany) were used. Their chemical composition was determined by X-ray microanalysis, and their microstructure was determined by optical microscopy. Successive

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Mircheska, Marijana, Vera Stojanovska, Enis Redzep, and Lidija Popovska. "Evaluation of Apical Extrusion during Conventional Retreatment with Three Endodontic Systems." Balkan Journal of Dental Medicine 24, no. 3 (2020): 16–21. http://dx.doi.org/10.2478/bjdm-2020-0023.

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SummaryBackground/Aim: The aim of this study was to compare the apical extrusion during endodontic retreatment using three different endodontic systems.Material and Methods: 120 extracted human teeth were ex vivo endodontically treated and retreatment was performed using three different endodontic systems. Samples were divided into 3 groups, A-retreatment with Hedstroem hand files, B-retreatment with Pro Taper Retreatment files and C-retreatment with Pro Taper Gold files. Apically extruded material was collected in pre-measured Eppendorfs on a laboratory scale (10−5g). The amount of the extrud

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Abraham, Sathish, Disha Lalit Mehta, Shashidhar C. Bellad, Sayli Patil, Aradhana Babu Kamble, and Salil Chaudhari. "The Contribution of Indian Endodontists in Rotary Endodontics to Pubmed Database, from 2000-2017." Open Access Macedonian Journal of Medical Sciences 6, no. 10 (2018): 1878–81. http://dx.doi.org/10.3889/oamjms.2018.402.

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AIM: This study aimed at assessing the trends of publications of Indian Endodontists in the field of rotary Endodontics in the PubMed database from 2000-2017. METHODS: The date of publication was set from 1st January 2000 to 31st December 2017, wherein keywords entered in the advanced search were “Indian” AND “Dental” AND “Rotary Endodontics”. From the collected articles the following criteria were noted: year of publication, the name of the journal, status of the journal, name of the first author, state of origin and the rotary Endodontic file system used. RESULTS: All data was su

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Lokhande, Pravin R., Sachin S. Salunkhe, and Sethuraman Balaguru. "Numerical simulation and experimentation of endodontic file using Taguchi DoE." International Journal for Simulation and Multidisciplinary Design Optimization 12 (2021): 32. http://dx.doi.org/10.1051/smdo/2021032.

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The endodontic file is a tapered, needle shape body used for the preparation of curved human root canals. During the preparation, process files get failed due to the locking action offered by the canal wall. The present study aimed to find the fatigue life of endodontic files at 23°, 33° and 43° root canal curvature angles. Four brands of files were selected for the present study viz. Hyplex CM, Pro-Taper Next, Hero Shaper, Pro-File Vortex. The strain life analysis done using ANSYS showed that the Hyplex CM file gives the highest fatigue life at 23°, 33° and 43° root canal curvature angles. Th

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