Results 81 to 90 of about 1,807,800 (145)

Effect of Rotational Modes on Torque/Force Generation and Canal Centering Ability during Rotary Root Canal Instrumentation with Differently Heat-Treated Nickel-Titanium Instruments. [PDF]

Materials (Basel), 2022
Omori S, Ebihara A, Hirano K, Kasuga Y, Unno H, Nakatsukasa T, Kimura S, Maki K, Hanawa T, Okiji T.   +9 more
europepmc   +1 more source

Comparative Buckling Strength and Metallurgical Analysis of Five Classic NiTi Endodontic Rotary Files

European Endodontic Journal
Objective: Nickel-titanium (NiTi) rotary instruments have revolutionized endodontic practice through continuous advancements in metallurgy and design. Despite these improvements, mechanical failure remains a clinical concern. This study aimed to evaluate
Abayomi Baruwa, Duarte Marques, João Caramês, Francisco Manuel Braz Fernandes, Jorge Martins   +4 more
doaj   +1 more source

New heat-treated vs electropolished nickel-titanium instruments used in root canal treatment: Influence of autoclave sterilization on surface roughness. [PDF]

PLoS One, 2022
Almohareb RA, Barakat R, Albohairy F.
europepmc   +1 more source

Efficacy of three rotary NiTi instruments in removing gutta-percha from root canals

, 2008
Aim To investigate the ability of three rotary nickel-titanium instruments and hand instrumentation to remove gutta-percha and ...
TAŞDEMİR, TAMER, ÇELİK, DAVUT, Yildirim, TAHSİN, Er, K.   +3 more
core   +1 more source

The analysis of reserch methods and results on resistance of nickel-titanium endodontic instruments to torsion load: the systematic review

Relevance. The objective of this study was to analyze current data concerning research methods and results on resistance of nickel-titanium endodontic instruments to torsion load in order to minimize complications of dental root canal treatment.
Shirokova D.S., Gasanova Z.M., Khabadze Z.S., Fedotova N.N., Ismailov F.R., Voskresenskaya D.V.   +5 more
core  

Wear of nickel-titanium lightspeed instruments evaluated by scanning electron microscopy.

, 1999
Used rotary nickel-titanium instruments require frequent replacing. This laboratory study evaluated defects of Lightspeed cutting tips before and after usage.
Eggert, C., Peters, Ove A., Eggert, Christine, Peters, Ove, Barbakow, Fred, Barbakow F, Peters O, Eggert C   +7 more
core   +1 more source

Bending Properties of a New Nickel-Titanium Alloy with a Lower Percent by Weight of Nickel

, 2011
Introduction: The aim of the present study was to evaluate the bending properties of Hyflex instruments, which exhibit a lower percent in weight of nickel (52 Ni %wt) and compare them with other commercially available nickel-titanium (NiTi) rotary ...
Luca Testarelli, Alessio Giansiracusa, Gianluca Plotino, GAMBARINI, Gianluca, GRANDE, NICOLA MARIA, Dina Al Sudani, Valentina Vincenzi, TESTARELLI, Luca, Dina Al-Sudani, Nicola M. Grande, Gianluca Gambarini   +10 more
core   +1 more source

Ability of two reciprocating Nickel-Titanium instruments for guttapercha/ sealer removal in simulated curved root canals. [PDF]

Acta Odontol Latinoam, 2022
Boetto AC, Arce-Brisson G, Zmener O, Pameijer C, Della-Porta R, Picca M.   +5 more
europepmc   +1 more source

The effect of a new finishing process on the torsional resistance of twisted nickel-titanium rotary instruments.

, 2010
The process of twisting has been used for decades to fabricate stainless steel instruments, but it was previously thought to be an impractical method for nickel-titanium (Ni-Ti) instrument manufacture A manufacturing method of twisting Nickel-Titanium ...
GALLI, Massimo, TUCCI, Eugenio, GAMBARINI, Gianluca, DE LUCA, MASSIMO, TESTARELLI, Luca   +4 more
core  

Ball bearings comprising nickel-titanium and methods of manufacture thereof [PDF]

, 2012
Disclosed herein is a friction reducing nickel-titanium composition. The nickel-titanium composition includes a first phase that comprises nickel and titanium in an atomic ratio of about 0.45:0.55 to about 0.55:0.45; a second phase that comprises nickel ...
Glennon, Glenn N., DellaCorte, Christopher   +1 more
core