Push Out Bonding Test
Mostrando 1-12 de 13 artigos, teses e dissertações.
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1. Light curing resin cements containing iodonium salts promote suitable apical bonding of posts to radicular dentin
Abstract The aim of this study was to analyze the efficiency of experimental light-curing resin cements (ERCs) with a ternary photo-initiator system containing diphenyliodonium hexafluorphosphate (DPI) and different amines on retention of glass-fiber posts to dentin (GFP). ERCs formulations: a 1:1 mass ratio of 2,2-bis[4-(2-hydroxy-3-methacryloxypropoxy)phen
Braz. oral res.. Publicado em: 14/11/2018
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2. Is the bonding of self-adhesive cement sensitive to root region and curing mode?
Abstract Objectives To evaluate the influence of two curing techniques on the degree of conversion (DC) of resin cements and on bond strength (BS) of fiber posts in different regions of root dentin. Material and Methods Twenty single-rooted premolars were endodontically treated, and the post spaces were prepared. The roots were randomly divided into two
J. Appl. Oral Sci.. Publicado em: 2017-02
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3. Influence of antimicrobial solutions in the decontamination and adhesion of glass-fiber posts to root canals
AbstractObjective This study evaluated the effect of root canal disinfectants on the elimination of bacteria from the root canals, as well as their effect on glass-fiber posts bond strength.Material and Methods Fifty-three endodontically treated root canals had post spaces of 11 mm in length prepared and contaminated with E. faecalis. For CFU/ml analysis, ei
J. Appl. Oral Sci.. Publicado em: 2015-08
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4. Effect of different endodontic sealers on push-out bond strength of fiber posts
Despite the increasing demand for fiber-reinforced composite (FRC) posts, their bonding to root canals is still subject to debate. Endodontic sealers may affect the bond strength between fiber posts and root canal dentin. Aim: To compare the effects of different sealers on fiber post bond strength. Methods: Sixty teeth were divided into 4 groups according
Braz. J. Oral Sci.. Publicado em: 2015-06
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5. COMPARAÇÃO DE DIFERENTES ENSAIOS MECÂNICOS PARA AVALIAR A RESISTÊNCIA ADESIVA A UMA CERÂMICA Y-TZP / COMPARISON OF DIFFERENTS MECHANICAL TESTS TO EVALUATE THE BOND STRENGTH TO A Y-TZP CERAMIC
This study aimed to evaluate the bond strength using different test types for bonding evaluation, between a yttrium tetragonal zirconia polycrystals (Y-TZP) ceramic and composite resin, considering two types of Y-TZP surface treatments. Three hundred and sixty Y-TZP blocks, received one of the two surface treatments (N= 180): UT- control (untreated) and SS-
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2012
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6. Influência da limpeza mecânica com e sem o uso do microscópio operatório na resistência adesiva intrarradicular / Influence of mechanical cleaning with and without the use of the operating microscope in intraradicular adhesive strength
In endodontic treatment, there is an imperative need to restore the tooth, reestablishing its functions, since there is always a risk of recontamination of the root canal system and fractures. These risks are higher when there is loss of dental structure, requiring intraradicular posts to hold the restoration procedures in place. For the definitive and immed
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/02/2012
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7. Efeito da técnica úmida simplificada de adesão com etanol na cimentação intraradicular de pinos de fibra / Push-out bond strength and SEM evaluation of new bonding approach into the root canal
Este estudo avaliou a resistência ao deslocamento vertical push-out de pinos de fibra de vidro cimentados à dentina intra-radicular utilizando uma resina fluida padrão como agente cimentante em combinação com um adesivo dentinário experimental e um adesivo disponível comercialmente. 20 pré-molares unirradiculares humanos foram previamente extraídos
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/06/2011
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8. Avaliação da resistência de união de pinos de fibra de vidro : influência de técnicas de inserção do cimento resinoso
Este estudo avaliou a influência de diferentes técnicas de inserção do cimento resinoso na resistência de união de pinos de fibra de vidro ao longo do canal radicular. Cinqüenta e uma raízes bovinas foram aleatoriamente divididas em três grupos (n=17): GI = inserção do cimento resinoso com seringa Centrix e ponta aplicadora metálica; GII = inser�
Publicado em: 2010
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9. Post surface conditioning: effect on bond strength to composites after aging and on flexural strength of fiber posts. / CONDICIONAMENTO DA SUPERFÍCIE DE PINOS DE FIBRA DE VIDRO: INFLUÊNCIA NA RESISTÊNCIA ADESIVA APÓS CICLAGEM MECÂNICA E NA RESISTÊNCIA À FLEXÃO DOS PINOS
Aim: To evaluate the bond strength between glass fiber post and intrarradicular dentin or core composite resin after several post surface treatments, and the effect of surface treatments on posts flexural strength. Material and methods: The following post surface treatments were evaluated: G1- no conditioning; G2- cleaning with alcohol (AL); G3- AL + silane
Publicado em: 2010
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10. Influência da clorexidina gel, etanol e hipoclorito de sódio na resistência de união à dentina radicular e durabilidade adesiva de pinos de fibra de vidro reembasados com resina composta / Influence of gel chlorexidine, ethanol and sodium hypoclorite on the bond strenght to root dentin and adhesive durability of the fiber post relined with resin composite
The bond strength of posts to root dentin can be compromised over time by adhesive interface degradation. Therefore, the aim of this study was to investigate the effects of pre-treatment of root dentin with 2% chlorhexidine (CHX), 100% ethanol (EtOH) and 5.25% sodium hypochlorite (NaOCl), as well as the association of these substances, on the bond strength a
Publicado em: 2010
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11. Push out strenght of intraradicular prefabricated post : influence of surface treatment, luting material and depths / Resistencia ao cisalhamento por extrusão de pinos intra-radiculares pre-fabricados : influencia do tratamento de superficie, sistema de fixação e profundidade
The retention of prefabricated fiber posts used on endodontically treated teeth is based on adhesive systems and resin luting cements. The aim of this study was to evaluate the influence of the depth, surface treatment and adhesives luting cement used for retention of prefabricated fibers posts. The factors studied were SURFACE TREATMENT: with EDTA and witho
Publicado em: 2006
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12. Resistencia ao cisalhamento por extrusão - "push out" - de pinos de fibra de vidro a dentina intra-radicular
The purpose of this study was to evaluate the bond strength between fiber posts cemented in root dentin considering different depths of the roots (cervical, median and apical) and two luting materiais, through push out tests and to examine the integration among these components through scanning electron microscopy. Twenty sound bicuspids, tree trom cracks, e
Publicado em: 2003