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Physicochemical and mechanical properties of zirconium oxide and niobium oxide modified Portland cement-based experimental endodontic sealers
(2013-09-02)
Aim: To evaluate the physicochemical and mechanical properties of Portland cement-based experimental sealers (ES) with different radiopacifying agents (zirconium oxide and niobium oxide micro- and nanoparticles) in comparison ...
The use of ultrasound for cleaning the surface of stainless steel and nickel-titanium endodontic instruments
(Blackwell Science, 2001-12-01)
Aim the aim of this study was to evaluate the efficacy of ultrasound in cleaning the surface of stainless steel and Ni-Ti endodontic instruments.Methodology Twenty nickel-titanium instruments (10 Quantec files and 10 ...
Efficacy of several digital radiographic imaging systems for laboratory determination of endodontic file length
(Wiley-Blackwell, 2011-05-01)
P>AimTo compare the efficacy of different digital radiographic imaging systems for determining the length of endodontic files.MethodologyK-type endodontic files were introduced into the canals of 40 extracted human permanent ...
Effect of Combined Digital Imaging Parameters on Endodontic File Measurements
(Elsevier B.V., 2012-10-01)
Introduction: This study assessed the effect of the combination of a dedicated endodontic filter, spatial resolution, and contrast resolution on the determination of endodontic file lengths. Methods: Forty extracted ...
Mechanized instrumentation of root canals oscillating systems
(2013-01-01)
Cleaning and shaping are important steps in the root canal treatment. Despite the technological advances in endodontics, K and Hedströen files are still widely used. In an attempt to be more effective in preparing the root ...
Evaluation of apical sealing of three endodontic sealers
(2000-01-01)
Aim: The apical sealing ability of three different endodontic sealers was evaluated in extracted teeth using dye penetration. Methodology: The root canals of 99 extracted human maxillary central incisors were prepared ...
Dimensional alterations and solubility of new endodontic sealers
(2010-12-01)
This study evaluated the dimensional alterations and the solubility of two experimental endodontic sealers based on Copaifera multijuga oil-resin (Biosealer) and castor oil bean cement (Poliquil), maintained in different ...
Clinical microscopic analysis of protaper retreatment system efficacy considering root canal thirds using three endodontic sealers
(Wiley-Blackwell, 2012-09-01)
To evaluate the efficacy of ProTaper Universal rotary retreatment system and the influence of sealer type on the presence of filling debris in the reinstrumented canals viewed in an operative clinical microscope. Forty-five ...