Results 81 to 90 of about 1,270,030 (169)

CBCT Evaluation of the Root Canal Filling Removal Using D-RaCe, ProTaper Retreatment Kit and Hand Files in curved canals [PDF]

, 2014
Introduction: The aim of the present in vitro study was to evaluate the efficacy of D-RaCe, ProTaper retreatment kit and hand H-files in removal of obturating materials (OM) from the curved root canals using cone-beam computed tomography (CBCT ...
Bijani, Ali, Simdar, Narges, Madani, Zahra Sadat, Moudi, Ehsan   +3 more
core   +1 more source

Efficiency of fractured file retrieval according to different nickel-titanium alloys and fragment lengths

BMC Oral Health
Background The fracture of nickel-titanium (NiTi) rotary files may be considered a direct cause of endodontic treatment failure. This study aimed to evaluate the effect of alloy type and fragment length on the efficiency of fractured file removal under ...
Joon Hyuk Yoon, Yoshitsugu Terauchi, Jae-Hoon Kim, Sang Won Kwak, Hyeon-Cheol Kim   +4 more
doaj   +1 more source

Studying the topographic changes in ProTaper Next endodontic rotary file by Scanning Electron Microscopy (SEM) [PDF]

Microscopy and Microanalysis, 2016
Ranya Elemam, José António Capelas, Manuel F. Vieira   +2 more
openaire   +2 more sources

Evaluation of the effect of temperature on cyclic fatigue resistance of three types of Nickel-Titanium rotary files with various alloy properties: An in vitro study

Erbil Dental Journal, 2019
Background and objectives: the fracturing of nickel-titanium rotary instruments during endodontic treatment because of the cyclic fatigue remains a common incidence.
Dara H. Saeed, Fadi A. Rafea
doaj  

Comparison of file design, mechanical performance and metallurgical characteristics of premium brands with replica-like endodontic files

, 2021
Objectives: To compare the design, metallurgical characteristics, and mechanical performance between replica-like and premium-brand endodontic instruments.
Martins, Jorge N.R.
core   +1 more source

A Comparative Computational Analysis of the Mechanical Behavior of Two Nickel-Titanium Rotary Endodontic Instruments.

, 2010
INTRODUCTION: A finite element model of two nickel-titanium (Ni-Ti) rotary endodontic instruments (ProTaper and SystemGT; Dentsply-Maillefer, Ballaigues, Switzerland) was developed to investigate the mechanical behavior of these devices and to identify ...
L. Petrini, F. Migliavacca, S. Taschieri, MIGLIAVACCA, FRANCESCO, S. Necchi, PETRINI, LORENZA, Silvia Necchi, Silvio Taschieri, Lorenza Petrini, Francesco Migliavacca   +9 more
core   +1 more source

Efficacy of Two Rotary NiTi Instruments in Removal of Resilon/Epiphany Obturants

Iranian Endodontic Journal, 2012
Introduction: The success of endodontic retreatment is related to the complete removal of the obturation material from the root canal system. The aim of this study was to evaluate the efficacy of Mtwo R and ProTaper retreatment files in removing the ...
Pooneh Mohebbi
doaj  

Influence of artificially simulated pulpal temperature on cyclic fatigue resistance of heat treated NiTi files

Эндодонтия Today
INTRODUCTION. NiTi rotary files, which have been heat-treated, have shown an increase in the flexibility and cyclic fatigue resistance. But the effect of the changes of intracanal temperature during clinical instrumentation on file performance is not ...
S. Panda, M. Mohanty, S. Dipallini, P. Das, A. Rath, G. Patri   +5 more
doaj   +1 more source

Impact of contracted endodontic cavity on shaping ability of protaper next files system by using cone beam computed tomography: an ex-vivo study

Minia Journal of Medical Research, 2022
Ahmed Bayoumi, Magdy Aly, Reham Hassan
openaire   +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