Results 41 to 50 of about 1,807,800 (145)

A comparison of different hand and rotary endodontic glide path files for buckling resistance: An in vitro study

Endodontology, 2021
Introduction: The purpose of the present study was to compare the buckling resistance between the hand files and rotary files and compare the buckling resistance between pathfinding files made out of different alloys.
Ruchika Gupta, Pramod Mohite, Suvarna Patil, Nandita Bansal   +3 more
doaj   +1 more source

Angular deflection of rotary nickel titanium files: a comparative study

Annali dell'Istituto Superiore di Sanità, 2009
A new manufacturing method of twisting nickel titanium wire to produce rotary nickel titanium (RNT) files has recently been developed. The aim of the present study was to evaluate whether the new manufacturing process increased the angular deflection of ...
Gianluca Gambarini, Luca Testarelli, Valerio Milana, Raffaella Pecci, Rossella Bedini, Giancarlo Pongione, Roberto Gerosa, Massimo De Luca   +7 more
doaj   +1 more source

A Novel Protocol to Characterize Virtual Nickel–Titanium Endodontic Instruments [PDF]

, 2023
Publisher Copyright: © 2023 by the authors.The nickel–titanium (NiTi) instruments’ geometry plays an important role in their performance and behavior. The present assessment intends to validate and test the applicability of a 3D surface scanning method ...
Pinto, Ricardo, Duarte Marques, Ricardo Pinto, Martins, Rui F., Versiani, Marco A., Rui F. Martins, Marco A. Versiani, Jorge N. R. Martins, Marco Simões-Carvalho, Martins, Jorge N. R., Simões-Carvalho, Marco, Silva, Emmanuel J. N. L., Emmanuel J. N. L. Silva, Marques, Duarte   +13 more
core   +1 more source

Dynamic properties of nickel-titanium instruments

, 2004
Deposited with permission of the author. © 1997 Boonrat Sattapan.Root canal preparation in narrow, curved canals is a challenge even for experienced endodontists.
Sattapan, Boonrat
core   +1 more source

Differential scanning calorimetric investigations of three rotary nickel-titanium instrument systems before and after simulated clinical uses

BMC Oral Health, 2021
Background The transformation temperatures were important values, influencing the mechanical properties and clinical performance of nickel-titanium instruments. The aim of this study was to determine the transformation temperatures of three rotary nickel-
Khoa Van Pham
doaj   +1 more source

Apical debris extrusion of single-file systems in curved canals

Endodontology, 2021
Objectives: The aim of this study was to compare the apical debris extrusion after using three different single-file systems. Materials and Methods: Mesial roots with curved canals of extracted mandibular molar teeth were randomly divided into three ...
Ecehan Hazar, Olcay Özdemir, Mustafa Murat Koçak, Baran Can Sağlam, Sibel Koçak   +4 more
doaj   +1 more source

In vitro study on cyclic fatigue resistance of three types of nickel titanium files in preparation for bending root canals

口腔疾病防治
Objective The purpose of this study was to investigate the differences in the anti cyclic fatigue performance of Woride KS (WKS), Proteper Gold (PTG), and Hyflex CM (HCM) nickel titanium instruments with different tip diameters in curved root canal ...
WANG Yuxin, JIAO Rentian, ZHAO Ying, WANG Tianqi, LIANG Guangzhi   +4 more
doaj   +1 more source

Structural effects of sodium hypochlorite solution on RaCe rotary nickel-titanium instruments: an atomic force microscopy study

, 2008
Objective. The aim of this study was to investigate the effect of sodium hypochlorite immersion on the surface characteristics of RaCe rotary nickel-titanium instruments using atomic force microscopy (AFM)
İNAN, UĞUR, Aydin, Cumhur, UZUN, ÖZGÜR, ALAÇAM, TAYFUN, TOPUZ, ÖZGÜR, Tunca, Yasar M.   +5 more
core   +1 more source

Geometric and dimensional characteristics of simulated curved canals prepared with proTaper instruments

Journal of Applied Oral Science, 2010
OBJECTIVE: This study identified which regions of ProTaper instruments work during curved root canal instrumentation. MATERIAL AND METHODS: Twelve ProTaper instruments of each type, S1, S2, F1, and F2, were assessed morphometrically by measuring tip ...
Renata de Castro Martins, Maria Guiomar de Azevedo Bahia, Vicente Tadeu Lopes Buono   +2 more
doaj   +1 more source

Mechanical and Metallurgical Properties of Various Nickel-Titanium Rotary Instruments [PDF]

, 2017
The aim of this study was to investigate the effect of thermomechanical treatment on mechanical and metallurgical properties of nickel-titanium (NiTi) rotary instruments. Eight kinds of NiTi rotary instruments with sizes of ISO #25 were selected: ProFile,
Seok Woo Chang, Kwang-Koo Jee, Shim, Kyu-Sang, Jee, Kwang-Koo, KeeYeon Kum, Yu-Chan Kim, Kyu-Sang Shim, Chang, Seok Woo, 금기연, Kum, Keeyeon, Soram Oh, Kim, Yu-Chan, Oh, Soram   +12 more
core   +1 more source