Results 51 to 60 of about 1,807,800 (145)

Effect of deep cryogenic treatment on cyclic fatigue resistance of controlled memory wire nickel-titanium rotary instruments

Dental Research Journal, 2020
Background: Cryogenic methods have been used to increase the wear, abrasion, corrosion resistance and to improve the strength of metals. The aim of this study was to evaluate the effect of cryogenic treatment on the cyclic fatigue resistance of rotary ...
Yazdan Sabet, Samira Shahsiah, Mohammad Yazdizadeh, Sana Baghamorady, Mansour Jafarzadeh   +4 more
doaj   +1 more source

Comparative effectiveness of root canal machining with modern ni-ti tools

Эндодонтия Today, 2020
The quality of endodontic treatment largely depends on the mechanical cleaning of the root canal, which is carried out in most cases by machine nickel-titanium instruments.
L. Yu. Orekhova, V. Yu. Vashneva, T. V. Porkhun, Yu. A. Zaitseva   +3 more
doaj   +1 more source

Optimization of difficult endodontic treatment with nickel-titanium files in martensitic and austenitic phase

Эндодонтия Today
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 ...
D. A. Ostanina, Yu. A. Mitronin, D. V. Anisimova, A. V. Mitronin   +3 more
doaj   +1 more source

Rotary endodontics in primary teeth – A review

Saudi Dental Journal, 2016
Endodontic treatment in primary teeth can be challenging and time consuming, especially during canal preparation, which is considered one of the most important steps in root canal therapy.
Sageena George, S. Anandaraj, Jyoti S. Issac, Sheen A. John, Anoop Harris   +4 more
doaj   +1 more source

Variable impact by ambient temperature on fatigue resistance of heat-treated nickel titanium instruments

, 2018
OBJECTIVES: The purpose of this study was to evaluate the effect of different ambient temperatures on cyclic fatigue (CF) life of two NiTi rotary systems and correlate the results with martensitic transformation temperatures.
Peters, Ove A, Peters, Ove A., Arias Paniagua, Ana María, Macorra García, José Carlos De La, Hejlawy, Samer, de la Macorra, Jose C, Govindjee, Sanjay, Murphy, S., Hejlawy, S., Arias, Ana, Murphy, Sarah, Macorra, Jose C.   +11 more
core   +1 more source

A Comparative Study of Cyclic Fatigue Resistance of Different Types of Endodontic Instruments: An in Vitro Study

Erbil Dental Journal
Background and Objectives: Nickel-titanium (NiTi) rotary files are routinely utilized in root canal instrumentations for their flexibility and competency.
Odet Sabah Rassam, Ihsan Nemat Bahnam
doaj   +1 more source

Periodontal health in children with diabetes mellitus type 1 in Montenegro [PDF]

Stomatološki glasnik Srbije, 2018
Introduction Separation of instruments in the root canal is one of the challenges in endodontic treatment. More specifically, nickel-titanium (NiTi) rotary instruments usually separate without previous deformation.
Đuričković Mirjana, Ivanović Mirjana, Samardžić Mira, Jovičić Olivera, Popović Zorica   +4 more
doaj  

Influence of Different Angles of Reciprocation on the Cyclic Fatigue of Nickel-Titanium Endodontic Instruments

, 2012
Introduction: The purpose of this study was to evaluate cyclic fatigue fracture resistance of engine-driven nickel-titanium (K3XF) instruments under reciprocating movement in various angles.
GAMBARINI, Gianluca, CULLA, Antonio, DE ANGELIS, FRANCESCA, Nada Osta, DI CARLO, Stefano, Alessio Giansiracusa Rubini, Dina Al Sudani, POMPA, Giorgio, TESTARELLI, Luca, Richard Gergi   +9 more
core   +1 more source

The Impact of Autoclave Sterilization on Cyclic Fatigue of Nickel-Titanium Rotary Endodontic Instruments

Dentistry 3000
Objective: The present study aimed to evaluate the impact of repeating sterilization in an autoclave on the cyclic fatigue resistance for three varieties of nickel-titanium (NiTi) rotary endodontic systems in double curved simulated canal.
Sura Yaseen Khudhur, Ibtihal Mohammed Hussein, Ola Mohammed Abdul Kadhum   +2 more
doaj   +1 more source

Deformation of nickel-titanium (NiTi) rotary instruments in cyclic loading: In vitro study [PDF]

Stomatološki glasnik Srbije, 2018
Introduction Separation of instruments in the root canal is one of the challenges in endodontic treatment. More specifically, nickel-titanium (NiTi) rotary instruments usually separate without previous deformation.
Nešković Isidora, Stojanac Igor, Vujkov Sanja, Laban-Terzija Jovan, Maletin Aleksandra   +4 more
doaj