Results 21 to 30 of about 8,261 (165)

Várias gerações de sistema Protaper®: revisão narrativa [PDF]

open access: yes, 2022
A evolução da engenharia dos materiais e design dos dispositivos tem impactado positivamente o tratamento endodôntico mecanizado, isto porque a melhoria dos materiais e técnicas de fabrico, confere maior segurança e confiabilidade nos tratamentos, bem ...
Dalcastagner, André
core   +1 more source

Deformación y lí­mite de fractura de dos sistemas rotatorios PROTAPER UNIVERSAL® y PROTAPER NEXT™ [PDF]

open access: yes, 2015
Objetivo: Identificar el grado de deformación y el lí­mite de fractura de los sistemas rotatorios ProTaper Next TM y ProTaper Universal en conductos severamente curvos simulados, posteriores al uso clí­nico.
Murcia, Juan Carlos   +5 more
core   +1 more source

Estudio comparativo de los tiempos registrados por los instrumentos TruNatomy y ProTaper Next para alcanzar la longitud de trabajo en conductos curvos simulados obturados con GuttaCore// Comparative study of the times recorded by the TruNatomy and ProTaper Next instruments to reach the working length in simulated curved canals filled with GuttaCore

open access: yesRevista de la Asociación Odontológica Argentina, 2021
Resumen Objetivo: Comparar el tiempo empleado por los instrumentos TruNatomy Medium y ProTaper Next X3 para penetrar hasta la longitud de trabajo la masa de obturaciones realizadas con GuttaCore Primary y sellador en conductos curvos simulados ...
Laura Pinasco
doaj   +1 more source

Comparación del sellado apical de conductos preparados y obturados con dos sistemas rotatorios prOtaper - MtWO [PDF]

open access: yes, 2009
Objetivo: Determinar la efectividad del sellado apical, de conductos obturados con técnica de condensación lateral y cono único, con preparación Protaper (Dentsply) y Mtwo (MDS).
Galván, C   +4 more
core   +1 more source

Cyclic fatigue resistance of two nickel-titanium instruments in different curving angles: a comparative study

open access: yesBrazilian Oral Research, 2015
The cyclic resistance of ProTaper Universal (size 25/08) and ProTaper Next (size 25/06) instruments was compared in artificial canals with different curvatures in this study.
Cheng PENG   +6 more
doaj   +1 more source

Evaluation of canal transportation and centering ability in mesiobuccal canals of maxillary molars using two Ni-Ti file systems: An ex-vivo micro-computed tomographic study

open access: yesEndodontology, 2020
Aim: This study aims to evaluate and compare the canal transportation and centering ability of two nickel–titanium file systems, ProTaper Next and WaveOne Gold, in comparison with ProTaper Universal in mesiobuccal canals of maxillary molars using micro ...
Anuradha Vijay Sawardeker   +3 more
doaj   +1 more source

Formación de microfisuras dentinarias en la preparacion químico mecánica del conducto radicular con los sistemas protaper universal, protaper next y twisted file adaptive

open access: yesOdontología Sanmarquina, 2016
Objetivo :La presente investigación buscó evaluar la formación de microfisuras dentinarias en el conducto radicular después de la preparación químico mecánica con los sistemas Protaper Universal, Protaper Next y TF Adaptive.
Marisa Jara Castro   +4 more
doaj   +1 more source

“Dentinal Microcracks After Root Canal Preparation” A Comparative Evaluation with Hand, Rotary and Reciprocating Instrumentation [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Introduction: The purpose of this study was to compare the incidence of dentinal micro cracks after instrumentation with various types of NiTi files in rotary and reciprocating motion.
N. Tulasi Priya   +7 more
doaj   +1 more source

Canal Centring Ability of ProTaper and Mtwo Rotary Systems in Curved Canals

open access: yesBalkan Journal of Dental Medicine, 2014
The purpose of this investigation was to compare centring ratio of ProTaper and Mtwo rotary systems. 60 mandibular molar teeth which had 25, 30 and 35 degree curvature in mesio-buccal root canal were used.
Turkaydin Dilek Erbay   +3 more
doaj   +1 more source

Changes in the Location of the Second Mesiobuccal Canal Orifice After Canal Preparation in Maxillary First Molars

open access: yesAustralian Endodontic Journal, EarlyView.
ABSTRACT This study evaluated angular and linear positional changes of the second mesiobuccal (MB2) canal orifice in maxillary first molars and proposed a guideline for its localization. Twenty‐eight extracted maxillary first molars with four canals were analysed. After access cavity preparation, all canals except MB2 were instrumented. The initial and
Hyoung‐Hoon Jo   +4 more
wiley   +1 more source

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