Restorative Dentistry & Endodontics

Research Articles

Effect of number of uses and sterilization on the instrumented area and resistance of reciprocating instruments: Victor de Ornelas Peraça, Samantha Rodrigues Xavier, Fabio de Almeida Gomes, Luciane Geanini Pena dos Santos, Erick Miranda Souza, Fernanda Geraldo Pappen; Restor Dent Endod 2021;46(2):e28. Published online April 29, 2021; DOI: https://doi.org/10.5395/rde.2021.46.e28

Objectives

This study evaluated the effect of repeated uses and autoclaving in the instrumented area, fracture resistance, and time of instrumentation of thermally treated nickel-titanium reciprocating systems.

Materials and Methods

Two hundred simulated canals were instrumented using Reciproc Blue and WaveOne Gold. Each file was used up to 10 times or until fracture. The instrumented area was measured in pre- and post-operative images, using ImageJ software. Kaplan-Meier survival analysis evaluated the number of uses of instruments before fracture. Instrumented area and time of instrumentation were analyzed by Mann-Whitney U test and Kruskal-Wallis. Correlations among the number of uses and instrumented area were measured. The level of statistical significance was set at p < 0.05.

Results

Reciproc Blue presented a higher estimated number of uses in comparison with WaveOne Gold (p = 0.026), but autoclaving did not affect the resistance to fracture of instruments (p > 0.05). The instrumented area was different among the evaluated groups (p = 0.039), and the instrumented area along the uses of both tested instruments was reduced. With the time of instrumentation, there was also a significant difference among the evaluated groups; the groups without sterilization cycles were faster, in comparison to those submitted to autoclaving (p = 0.010).

Conclusions

Reciproc Blue was more resistant than WaveOne Gold, suffering later fracture. Additionally, the sterilization cycles did not influence the estimated number of uses of thermally treated reciprocating instruments, but the instrumented area of root canals was reduced along with the repeated uses of both instruments.

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The influence of autoclave sterilization on the cyclic fatigue of M-wire rotary endodontic instruments
Nenad Stosic, Jelena Popovic, Antonije Stankovic, Aleksandar Mitic, Marija Nikolic, Kosta Todorovic
Vojnosanitetski pregled.2024; 81(10): 642. CrossRef

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Comparison of vibration characteristics of file systems for root canal shaping according to file length: Seong-Jun Park, Se-Hee Park, Kyung-Mo Cho, Hyo-Jin Ji, Eun-Hye Lee, Jin-Woo Kim; Restor Dent Endod 2020;45(4):e51. Published online October 14, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e51

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Objectives

No studies have yet assessed vibration characteristics according to endodontic file length. Accordingly, the objective of the present study was to examine the vibration characteristics according to nickel-titanium file length and to compare these characteristics between different file systems.

Materials and Methods

A total of 45 root canal models were divided into 3 experimental groups (n = 15 each) based on the file system used (ProTaper Gold [PTG], ProTaper Next, or WaveOne Gold [WOG]). Each experimental group was further divided into 3 subgroups according to file length (21, 25, or 31 mm). An electric motor (X-SMART PLUS) was used in the experiment. For each file system, vibrations generated when using a size 25 file were measured and used to calculate the average vibration acceleration. The differences in vibrations were analyzed using 1-way analysis of variance and the Scheffé post hoc test with a confidence interval of 95%.

Results

In the PTG file system, significantly lower vibration acceleration was observed when using a 21-mm file than when using a 31-mm file. In the WOG file system, significantly stronger vibration acceleration was observed when using a 31-mm file than when using 21- or 25-mm files. Regardless of the file length, the WOG group exhibited significantly stronger vibration acceleration than the other 2 experimental groups.

Conclusions

In clinical practice, choosing a file with the shortest length possible could help reduce vibrations. Additionally, consideration should be given to vibrations that could be generated when using WOG files with reciprocating motion.

Citations

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Comparison vibration characteristics of several wireless endodontic handpieces
Bo-Kyung Lee, Yoon Lee, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim
Journal of Dental Rehabilitation and Applied Science.2022; 38(2): 81. CrossRef

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Cyclic fatigue resistance of the WaveOne Gold Glider, ProGlider, and the One G glide path instruments in double-curvature canals: Damla Kırıcı, Alper Kuştarcı; Restor Dent Endod 2019;44(4):e36. Published online September 9, 2019; DOI: https://doi.org/10.5395/rde.2019.44.e36

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Objectives

The aim of this study was to compare the cyclic fatigue resistance of the WaveOne Gold Glider, ProGlider and One G glide path instruments in artificial double-curvature canals.

Materials and Methods

This study included 15 WaveOne Gold Glider (size 15/0.08), 15 ProGlider (size 16/0.08), and 15 One G (size 16/0.06) nickel titanium files. The files were used in accordance with the manufacturer's instructions until they were broken in artificial double-curvature canals made of stainless steel. The time to fracture was recorded via a digital stopwatch and the number of rotations until fracture was also calculated. The data were statistically analyzed via the Kruskal-Wallis test.

Results

The highest average number of rotations until fracture of the files was found for the WaveOne Gold Glider, followed by ProGlider and One G in order. Statistically significant differences were present between all groups of files (p < 0.05).

Conclusions

In our study, the resistance of the WaveOne Gold Glider nickel-titanium (Ni-Ti) file to cyclic fatigue in S-shaped curved canals was found to be higher than that of the ProGlider and One G Ni-Ti files.

Citations

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Glide Path in Endodontics: A Literature Review of Current Knowledge
Vlad Mircea Lup, Giulia Malvicini, Carlo Gaeta, Simone Grandini, Gabriela Ciavoi
Dentistry Journal.2024; 12(8): 257. CrossRef
In Vitro Evaluation of the Dynamic Cyclic Fatigue Resistance of a New TruNatomy Glider File after Different Cycles of Use
Lorena Ferreira Rego, Juliana Delatorre Bronzato, Alana Pinto Carôso Souza, Adriana de-Jesus-Soares, Marcos Frozoni
Journal of Endodontics.2024; 50(5): 619. CrossRef
Comparative Evaluation of the Cyclic Fatigue Resistance of WaveOne Gold in Reciprocation, ProGlider in Rotary Motion, and Manual Files in a Reciprocating Handpiece Within Simulated Curved Canals: An In Vitro Study
Shivangi M Pujara, Hardik B Shah, Leena H Jobanputra
Cureus.2024;[Epub] CrossRef
Comparative analysis of torsional and cyclic fatigue resistance of ProGlider, WaveOne Gold Glider, and TruNatomy Glider in simulated curved canal
Pedro de Souza Dias, Augusto Shoji Kato, Carlos Eduardo da Silveira Bueno, Rodrigo Ricci Vivan, Marco Antonio Hungaro Duarte, Pedro Henrique Souza Calefi, Rina Andréa Pelegrine
Restorative Dentistry & Endodontics.2023;[Epub] CrossRef
Negotiability of mesiobuccal canals in maxillary first molars using different path file systems
Maryam Gharechahi, Mandana Khajehpour, Ali Hamedi, Maryam Peighoun
Dental Research Journal.2023;[Epub] CrossRef
Cyclic Fatigue Resistance of Glide Path Rotary Files: A Systematic Review of in Vitro Studies
Israa Ashkar, José Luis Sanz, Leopoldo Forner
Materials.2022; 15(19): 6662. CrossRef
Evaluation of design, mechanical properties, and torque/force generation of heat-treated NiTi glide path instruments
Soram Oh, Ji-Yeon Seo, Ji-Eun Lee, Hyun-Jung Kim, Ji-Hyun Jang, Seok Woo Chang
BMC Oral Health.2022;[Epub] CrossRef
Body temperature fatigue behaviour of reciprocating and rotary glide path instruments in sodium hypochlorite solutions alone or combined with etidronate
Dario Perez‐Villalba, José C. Macorra, Juan J. Perez‐Higueras, Ove A. Peters, Ana Arias
Australian Endodontic Journal.2021; 47(3): 450. CrossRef

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Comparison of the shaping ability of novel thermally treated reciprocating instruments: Cangül Keskin, Murat Demiral, Evren Sarıyılmaz; Restor Dent Endod 2018;43(2):e15. Published online March 3, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e15

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Objectives

The present study aimed to evaluate the shaping ability of 2 thermally treated nickel-titanium reciprocating systems in simulated curved canals.

Materials and Methods

Forty simulated canals were prepared to apical size 25 using Reciproc Blue R25 (VDW) and WaveOne Gold Primary (Dentsply Sirona) instruments. Standard pre- and post-preparation images were taken and superimposed. The removal of resin material was measured at 5 standard points: the canal orifice, halfway between the canal orifice and the beginning of the curve, the beginning of the curve, the apex of the curve, and the end-point of the simulated canal. The data were analysed using the independent sample t-test with a 5% significance threshold.

Results

The canals in which Reciproc Blue R25 was used showed a significantly greater widening than those in which WaveOne Gold was used at 4 of the 5 measurement points (p < 0.05). The Reciproc Blue R25 instrument removed significantly more resin from the inner aspect of the curve at 2 of the 5 points and similar amounts at the remaining 3 points. At the 2 apical points, there was no significant difference between the Reciproc Blue R25 and WaveOne Gold Primary instruments.

Conclusion

Both instruments respected the original canal anatomy; however, WaveOne Gold resulted in a more conservative shape with less transportation.

Citations

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Shaping Ability of the Root Canal System Using Reciproc and Reciproc Blue in Preparation of Artificial Canals
Hawazin Majdi, Khalid Merdad, Tariq Abuhaimed, Lujain Mirdad, Omar Alkhattab, Abdulaziz Bakhsh
Pesquisa Brasileira em Odontopediatria e Clínica Integrada.2025;[Epub] CrossRef
Comparison of four different file systems in terms of transportation in S-shaped canals and apically extruded debris
Mustafa Alrahhal, Fatma Tunç
Journal of Oral Science.2024; 66(4): 226. CrossRef
Assessment of Debris Extrusion in Curved Canals: An In Vitro Analysis of Various Single‐File Endodontic Instrumentation Systems
Muhammad Zubair Ahmad, Boonlert Kukiattrakoon
International Journal of Dentistry.2024;[Epub] CrossRef
Shaping ability of rotary and reciprocating single-file systems in combination with and without different glide path techniques in simulated curved canals
Lu Shi, Yunfei Yang, Jie Wan, Wen Xie, Ruiming Yang, Ying Yao
Journal of Dental Sciences.2022; 17(4): 1520. CrossRef
An Investigation of the Accuracy and Reproducibility of 3D Printed Transparent Endodontic Blocks
Martin Smutný, Martin Kopeček, Aleš Bezrouk
Acta Medica (Hradec Kralove, Czech Republic).2022; 65(2): 59. CrossRef
Shaping Ability of Reciprocating Single-file Systems in Simulated Canals: Reciproc versus Reciproc Blue
İrem ÇETİNKAYA, Mukadder İnci BAŞER KOLCU
SDÜ Tıp Fakültesi Dergisi.2021; 28(1): 145. CrossRef
Combination of a new ultrasonic tip with rotary systems for the preparation of flattened root canals
Karina Ines Medina Carita Tavares, Jáder Camilo Pinto, Airton Oliveira Santos-Junior, Fernanda Ferrari Esteves Torres, Juliane Maria Guerreiro-Tanomaru, Mario Tanomaru-Filho
Restorative Dentistry & Endodontics.2021;[Epub] CrossRef
Apical extrusion of debris with different rotary and reciprocating single-file endodontic instrumentation systems: a systematic review and meta-analysis protocol
Muhammad Zubair Ahmad, Durre Sadaf, Marcy McCall MacBain, Ahmed Nabil Mohamed
BMJ Open.2020; 10(9): e038502. CrossRef
Micro-computed tomographic assessment of the shaping ability of the One Curve, One Shape, and ProTaper Next nickel-titanium rotary systems
Pelin Tufenkci, Kaan Orhan, Berkan Celikten, Burak Bilecenoglu, Gurkan Gur, Semra Sevimay
Restorative Dentistry & Endodontics.2020;[Epub] CrossRef
Changes in Geometry and Transportation of Root Canals with Severe Curvature Prepared by Different Heat-treated Nickel-titanium Instruments: A Micro–computed Tomographic Study
Daniel José Filizola de Oliveira, Graziela Bianchi Leoni, Rafael da Silva Goulart, Manoel Damião de Sousa-Neto, Yara Teresinha Correa Silva Sousa, Ricardo Gariba Silva
Journal of Endodontics.2019; 45(6): 768. CrossRef
Several factors can affect the root canal transportation of MB2 canals in extracted maxillary first molars
R. R. Vivan, M. P. Alcalde, E. J de Camargo, V. A. S. Marques, M. V. R. Só, J. A. Duque, M. A. H. Duarte
International Endodontic Journal.2019; 52(4): 551. CrossRef
Effect of larger apical size on the quality of preparation in curved canals using reciprocating instruments with different heat thermal treatments
J. A. Duque, R. R. Vivan, M. A. H. Duarte, M. P. Alcalde, V. M. Cruz, M. M. B. Borges, C. M. Bramante
International Endodontic Journal.2019; 52(11): 1652. CrossRef

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The effect of root canal preparation on the surface roughness of WaveOne and WaveOne Gold files: atomic force microscopy study: Taha Özyürek, Koray Yılmaz, Gülşah Uslu, Gianluca Plotino; Restor Dent Endod 2018;43(1):e10. Published online February 2, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e10

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Objectives

To examine the surface topography of intact WaveOne (WO; Dentsply Sirona Endodontics) and WaveOne Gold (WOG; Dentsply Sirona Endodontics) nickel-titanium rotary files and to evaluate the presence of alterations to the surface topography after root canal preparations of severely curved root canals in molar teeth.

Materials and Methods

Forty-eight severely curved canals of extracted molar teeth were divided into 2 groups (n = 24/each group). In group 1, the canals were prepared using WO and in group 2, the canals were prepared using WOG files. After the preparation of 3 root canals, instruments were subjected to atomic force microscopy analysis. Average roughness and root mean square values were chosen to investigate the surface features of endodontic files. The data was analyzed using one-way analysis of variance and post hoc Tamhane's tests at 5% significant level.

Results

The surface roughness values of WO and WOG files significantly changed after use in root canals (p < 0.05). The used WOG files exhibited higher surface roughness change when compared with the used WO files (p < 0.05).

Conclusions

Using WO and WOG Primary files in 3 root canals affected the surface topography of the files. After being used in root canals, the WOG files showed a higher level of surface porosity value than the WO files.

Citations

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Comparative Analysis of Surface Roughness and Plastic Deformation of Reciprocating Instruments after Clinical Use
Ángel Herrera, Magdalena Azabal, Jesús R. Jimenez-Octavio, Juan C. del Real-Romero, Sara López de Armentia, Juan M. Asensio-Gil, Ana Arias
Materials.2024; 17(16): 3978. CrossRef
Comparative Evaluation of Surface Roughness of Different Rotary Nickel-Titanium (NiTi) Files After Autoclaving: An Atomic Force Microscopic Study
Angela Alex, Ranjith Kumar Sivarajan, Vijay Venkatesh
Cureus.2024;[Epub] CrossRef
Impact of endodontic irrigants on surface roughness of various nickel-titanium rotary endodontic instruments
Tamer M. Hamdy, Yasmine Mohsen Alkabani, Amira Galal Ismail, Manar M. Galal
BMC Oral Health.2023;[Epub] CrossRef
Metallurgical Tests in Endodontics: A Narrative Review
Alessio Zanza, Marco Seracchiani, Rodolfo Reda, Gabriele Miccoli, Luca Testarelli, Dario Di Nardo
Bioengineering.2022; 9(1): 30. CrossRef
Cyclic Fatigue Resistance and Surface Roughness of Rotary NiTi Instruments after Simulated Clinical Use in Curved Root Canals – An Atomic Force Microscopy Study
Raksha Bhat, Arjun Kini, Preethesh Shetty, Payalben Kansara, Bapanaiah Penugonda
Pesquisa Brasileira em Odontopediatria e Clínica Integrada.2022;[Epub] CrossRef
In Vitro Study of Irrigation solution of Chitosan Nanoparticles to Inhibit the Adhesion and Biofilm Formation of Enterococcus faecalis in the Root Canal
Imelda Darmawi, Trimurni Abidin, Harry Agusnar, Basri A. Gani
Research Journal of Pharmacy and Technology.2022; : 2691. CrossRef
Alteration in surface roughness of reciprocating endodontic instruments
Khoa Van Pham
F1000Research.2021; 10: 875. CrossRef
Surface profile of different heat-treated nickel-titanium files before and after root canal preparation
Iandara de Lima Scardini, Denise Maria Zezell, Juliana Lisboa Couto Marques, Laila Gonzales Freire, Marcelo dos Santos
Brazilian Dental Journal.2021; 32(6): 8. CrossRef
Impact of Endodontic Instrumentation on Surface Roughness of Various Nickel-Titanium Rotary Files
Muhammad Sohail Zafar
European Journal of Dentistry.2021; 15(02): 273. CrossRef
A new method for assessment of nickel-titanium endodontic instrument surface roughness using field emission scanning electronic microscope
Khoa Van Pham, Canh Quang Vo
BMC Oral Health.2020;[Epub] CrossRef
Surface Alterations Induced on Endodontic Instruments by Sterilization Processes, Analyzed with Atomic Force Microscopy: A Systematic Review
Mario Dioguardi, Vito Crincoli, Luigi Laino, Mario Alovisi, Enrica Laneve, Diego Sovereto, Bruna Raddato, Khrystyna Zhurakivska, Filiberto Mastrangelo, Domenico Ciavarella, Lucio Lo Russo, Lorenzo Lo Muzio
Applied Sciences.2019; 9(22): 4948. CrossRef
Atomic force microscopy and energy dispersive X‐ray spectrophotometry analysis of reciprocating and continuous rotary nickel‐titanium instruments following root canal retreatment
Bulem Üreyen Kaya, Cevat Emre Erik, Gülsen Kiraz
Microscopy Research and Technique.2019; 82(7): 1157. CrossRef
Influence of heat treatment on torsional resistance and surface roughness of nickel‐titanium instruments
E. J. N. L. Silva, J. F. N. Giraldes, C. O. de Lima, V. T. L. Vieira, C. N. Elias, H. S. Antunes
International Endodontic Journal.2019; 52(11): 1645. CrossRef

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Cyclic fatigue life of Tango-Endo, WaveOne GOLD, and Reciproc NiTi instruments: Koray Yılmaz, Taha Özyürek; Restor Dent Endod 2017;42(2):134-139. Published online April 11, 2017; DOI: https://doi.org/10.5395/rde.2017.42.2.134

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Objectives

To compare the fatigue life of Tango-Endo, WaveOne GOLD, and Reciproc NiTi instruments under static model via artificial canals with different angles of curvature.

Materials and Methods

Reciproc R25, WaveOne GOLD Primary, and Tango-Endo instruments were included in this study (n = 20). All the instruments were rotated in artificial canals which were made of stainless steel with an inner diameter of 1.5 mm, 45°, 60°, and 90° angles of curvatures and a radius of curvature of 5 mm until fracture occurred, and the time to fracture was recorded in seconds using a digital chronometer. The data were analyzed using Kruskal-Wallis and post-hoc Dunn tests were used for the statistical analysis of data in SPSS 21.0 software.

Results

Tango-Endo files were found to have significantly higher values than WaveOne GOLD and Reciproc files in terms of fatigue life (p < 0.05). However, there was no statistically significant difference between fatigue life of Reciproc and WaveOne GOLD files (p > 0.05). It was determined that increasing the angle of curvature of the stainless canals caused significant decreases in fatigue life of all of three files (p < 0.05).

Conclusions

Within the limitations of the present study, the cyclic fatigue life of Tango-Endo in canals having different angles of curvature was statistically higher than Reciproc and WaveOne GOLD.

Citations

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Apically extruded debris of different file systems used with various kinematic movements during retreatment: An in vitro study
Tuğba Koşar, Davut Çelik, Tamer Taşdemir
Australian Endodontic Journal.2023; 49(S1): 33. CrossRef
Nickel-titanium files in endodontics: Development, improvement and modifications of nickel-titanium alloy
Slavoljub Zivkovic, Milica Jovanovic-Medojevic, Jelena Neskovic, Marijana Popovic-Bajic
Vojnosanitetski pregled.2023; 80(3): 262. CrossRef
FATIGUE FAILURE OF NICKEL-TITANIUM INSTRUMENTS IN ENDODONTICS AND ITS INFLUENCING FACTORS
A Jusku, T Dodeková, J Staněk, B Özel, P Jirásek, V Polanská, Ľ Harvan
Česká stomatologie a praktické zubní lékařství.2022; 122(2): 51. CrossRef
Reciproc Endodontic File Surface Defects After Single Use
Mohammed Howait
Journal of International Society of Preventive and Community Dentistry.2021; 11(1): 98. CrossRef
A comparative evaluation of cyclic fatigue resistance of Reciproc Blue, WaveOne Gold and 2Shape nickel–titanium rotary files in different artificial canals
Ankita Grace Lall, Suparna Ganguly Saha, Vijay Alageshan, Parmeet Banga
Endodontology.2021; 33(1): 1. CrossRef
Cutting efficiency of heat‐treated nickel–titanium single‐file systems at different incidence angles
Eugenio Pedullà, Pietro La Paglia, Giusy Rita Maria La Rosa, Anna Maria Gueli, Stefania Pasquale, David E. Jaramillo, Leopoldo Forner, Fabio Lo Savio, Guido La Rosa, Ernesto Rapisarda
Australian Endodontic Journal.2021; 47(1): 20. CrossRef
Influence of the type of reciprocating motion on the cyclic fatigue resistance of reciprocating files in a dynamic model
Álvaro Zubizarreta-Macho, Alberto Albaladejo Martínez, Carlos Falcão Costa, Norberto Quispe-López, Ruben Agustín-Panadero, Jesús Mena-Álvarez
BMC Oral Health.2021;[Epub] CrossRef
Cutting efficiency of conventional and heat‐treated nickel–titanium rotary or reciprocating glide path instruments
E. Pedullà, G. Leanza, G. R. M. La Rosa, A. M. Gueli, S. Pasquale, G. Plotino, E. Rapisarda
International Endodontic Journal.2020; 53(3): 376. CrossRef
Influence of static and dynamic cyclic fatigue tests on the lifespan of four reciprocating systems at different temperatures
A. Keleş, A. Eymirli, O. Uyanık, E. Nagas
International Endodontic Journal.2019; 52(6): 880. CrossRef
Comparison of Cyclic Fatigue Resistance of 5 Heat-treated Nickel-titanium Reciprocating Systems in Canals with Single and Double Curvatures
Mohammad I. Al-Obaida, Khalid Merdad, Mohammed S. Alanazi, Hesham Altwaijry, Mohammad AlFaraj, Ali A. Alkhamis, Ebtissam M. Al-Madi
Journal of Endodontics.2019; 45(10): 1237. CrossRef
Assessment of mechanical properties of WaveOne Gold Primary reciprocating instruments
Tong FANGLI, Keiichiro MAKI, Shunsuke KIMURA, Miki NISHIJO, Daisuke TOKITA, Arata EBIHARA, Takashi OKIJI
Dental Materials Journal.2019; 38(3): 490. CrossRef
Comparison between Single-file Rotary Systems: Part 2—The Effect of Length of the Instrument Subjected to Cyclic Loading on Cyclic Fatigue Resistance
Adham A. Azim, Mohamed Tarrosh, Katharina A. Azim, Lucila Piasecki
Journal of Endodontics.2018; 44(12): 1837. CrossRef
Comparison of cyclic fatigue resistance of XP-endo Shaper, HyFlex CM, FlexMaster and Race instruments
Mehmet Adiguzel, Ipek Isken, Ismail Ilker Pamukcu
Journal of Dental Research, Dental Clinics, Dental Prospects.2018; 12(3): 208. CrossRef

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