Results 1 to 10 of about 36,054 (295)

Effectiveness and safety of rotary and reciprocating kinematics for retreatment of curved root canals: a systematic review of in vitro studies [PDF]

open access: yesRestorative Dentistry & Endodontics, 2022
ObjectivesThis systematic review (register-osf.io/wg7ba) compared the efficacy and safety of rotary and reciprocating kinematics in the removal of filling material from curved root canals.Materials and MethodsOnly in vitro studies evaluating both ...
Lucas Pinho Simões   +7 more
doaj   +1 more source

Efficacy of reciprocating instruments and final irrigant activation protocols on retreatment of mesiobuccal roots of maxillary molars: a micro-CT analysis [PDF]

open access: yesRestorative Dentistry & Endodontics, 2022
ObjectivesThis study evaluated the efficacy of 3 reciprocating systems and the effects of 2 instruments for irrigant activation on filling material removal.Materials and MethodsForty mesiobuccal roots of maxillary molars were prepared up to size 25.06 ...
Lilian Tietz   +7 more
doaj   +1 more source

A Comparison of Cone Beam Computed Tomography and Periapical Digital Radiography for Evaluation of Root Canal Preparation

open access: yesApplied Sciences, 2021
The aim of the present study is to compare cone beam computed tomography and periapical digital radiography for the evaluation of root canal preparation. Nine extracted human molars were used in this study.
Khoa Van Pham
doaj   +1 more source

The efficacy of three different file systems in removal of root filling residue that remains in oval root canal after the use of protaper retreatment files: An In vitro cone-beam computed tomography study

open access: yesAdvances in Human Biology, 2021
Aims: The aim of this study is to evaluate the efficacy of supplementary file system in the removal of gutta-percha and sealer from the root canal system.
Satish Vilas Sane   +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

The effectiveness of reciprocating instruments in the removal of root filling materials: A systematic review

open access: yesSaudi Endodontic Journal, 2022
Introduction: Re-establishing the health of the periapical tissues is considered to be the main objective of nonsurgical root canal retreatment in cases with posttreatment disease.
Iman M Al-Zaka   +5 more
doaj   +1 more source

Dynamic cyclic fatigue resistance of NiTi instruments in a double-curved stainless steel canal with variable distances of displacement

open access: yesFrontiers in Materials, 2023
The present study aimed to measure the number of cycles to fracture (NCF) of different instruments using pecking motion at constant and varying distances of movement at body temperature. This study included 20 files from each brand: ProTaper Universal F2,
Van-Khoa Pham
doaj   +1 more source

FRICTION BEHAVIOR OF HYBRID COMPOSITES FILLED BY TITANIUM DIOXIDE NANOPARTICLES [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2017
The objectives of the present work are to evaluate the effect of curing times, titanium dioxide nanoparticles and normal loads on the friction coefficient of hybrid composite resin filled by titanium dioxide nanoparticles.
A. A. Meshref   +3 more
doaj   +1 more source

Comparison of postoperative pain using two instrumentation techniques followed by laser irradiation in nonvital teeth with symptomatic apical periodontitis: A double-blind randomized controlled trial

open access: yesEndodontology, 2023
Aim: Postoperative pain can be caused due to apical extrusion of debris following chemomechanical preparation. This study aimed to compare mechanized reciprocating stainless steel files and continuous rotary instrumentation with laser irradiation for ...
Shreya Shivangi   +5 more
doaj   +1 more source

Comparative evaluation of shaping ability of sequential rotary, single rotary, and single reciprocating file systems in simulated curved canals using cone-beam computed tomography: An in vitro study

open access: yesEndodontology, 2022
Aim: The purpose of the study was to evaluate and compare canal transportation (CT) and centering ability (CA) between sequential rotary, single rotary, and single reciprocating file systems using cone-beam computed tomography (CBCT) in simulated curved ...
P Senthamil Selvan   +4 more
doaj   +1 more source

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