Fiber Posts
Mostrando 13-24 de 102 artigos, teses e dissertações.
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13. Current options concerning the endodontically-treated teeth restoration with the adhesive approach
Abstract: Adhesive procedures have changed the way to restore endodontically treated teeth (ETT). It started with the shift from cast post-and-core to fiber post. The original focus on strength also shifted towards failure modes, revealing that catastrophic failures are still a concern when restoring endodontically-treated teeth even with fiber posts. As an
Braz. oral res.. Publicado em: 18/10/2018
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14. Influence of remaining coronal thickness and height on biomechanical behavior of endodontically treated teeth: survival rates, load to fracture and finite element analysis
Abstract Objective To evaluate the effect of restorative strategy (fiber post vs cast post and core), coronal height (0 mm vs 2 mm) and thickness (higher than 1 mm vs lower than 1 mm) on survival rate, fracture resistance and stress distribution. Material and Methods Seventy-two bovine teeth were cleaned and allocated in six groups (n = 12). Twenty-four te
J. Appl. Oral Sci.. Publicado em: 07/05/2018
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15. Bond strength values of fiberglass post to flared root canals reinforced with different materials
Abstract The aim of this study was to compare in vitro the bond strength (BS) between fiberglass posts and flared root canals reinforced with different materials. The roots of 48 premolars were endodontically treated. After one week, the root canals were prepared to simulate an oversized root canal, except for the positive control group (PCG), which was ceme
Braz. oral res.. Publicado em: 01/03/2018
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16. Clinical performance and failure modes of pulpless teeth restored with posts: a systematic review
Abstract The aim of this systematic review was to compare the clinical performance and failure modes of teeth restored with intra-radicular retainers. A search was performed on PubMed/Medline, Central and ClinicalTrials databases for randomized clinical trials comparing clinical behavior and failures of at least two types of retainers. From 341 detected pape
Braz. oral res.. Publicado em: 03/07/2017
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17. Influence of root dentin treatment on the push-out bond strength of fibre-reinforced posts
Abstract This study evaluates the influence of root dentin treatment with NaOCl alone and combined with EDTA, with and without ultrasound activation, on the push-out bond strength (BS) of fiber-reinforced posts in weakened roots, cemented with RelyX or Panavia. The root canals of 42 maxillary canines were instrumented with Reciproc and 2.5% NaOCl. In the cor
Braz. oral res.. Publicado em: 10/04/2017
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18. Effect of different composite core materials on fracture resistance of endodontically treated teeth restored with FRC posts
Abstract Objective This study evaluated the fracture resistance of endodontically treated teeth restored with fiber reinforced composite posts, using three resin composite core build-up materials, (Clearfil Photo Core (CPC), MultiCore Flow (MCF), and LuxaCore Z-Dual (LCZ)), and a nanohybrid composite, (Tetric N-Ceram (TNC)). Material and Methods Forty en
J. Appl. Oral Sci.. Publicado em: 2017-04
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19. 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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20. Effects of the application techniques of self-adhesive resin cements on the interfacial integrity and bond strength of fiber posts to dentin
ABSTRACT Objective: To evaluate the influence of an application technique of a glass-fiber post using self-adhesive resin cements on the push-out bond strength and the presence of bubbles in the root thirds. The cements were either applied according to the manufacturer's instruction or using a commercial delivering system (Centrix), at which the cement past
J. Appl. Oral Sci.. Publicado em: 2016-10
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21. Influence of the Resin Cement Thickness on the Push-Out Bond Strength of Glass Fiber Posts
Resumo O objetivo deste estudo foi avaliar a influência da espessura da linha de cimento na resistência de união de pinos de fibra de vidro após armazenamento em água destilada. Trinta dentes humanos hígidos unirradiculares tiveram os canais tratados endodonticamente. As raízes foram distribuídas em três grupos: THIN (linha de cimento fina): conduto
Braz. Dent. J.. Publicado em: 2016-10
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22. Does MTA affect fiber post retention in repaired cervical root canal perforations?
Abstract This study evaluated the effect of mineral trioxide aggregate (MTA) on the retention of fiber posts in repaired root canal perforations. Ten-millimeter post spaces were prepared in 60 endodontically treated bovine incisors. Root perforations were created in half of the root canals in the cervical area prior to being filled with white MTA-Angelus. Fi
Braz. oral res.. Publicado em: 14/06/2016
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23. Stress Distribution in Roots Restored with Fiber Posts and An Experimental Dentin Post: 3D-FEA
Resumo O objetivo deste estudo foi comparar a distribuição das tensões na dentina radicular de um canino superior restaurado com um pino de fibra de vidro, pino de fibra de carbono ou um pino experimental de dentina por meio do método dos elementos finitos tridimensional (MEF-3D). Três modelos virtuais 3D de um canino superior restaurado com coroa metal
Braz. Dent. J.. Publicado em: 2016-04
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24. Acid Etching and Surface Coating of Glass-Fiber Posts: Bond Strength and Interface Analysis
Resumo O objetivo deste estudo foi avaliar o efeito resistência de união de uma resina composta para pinos de fibra de vidro (PFV) tratados ou não com ácido fosfórico, agente de união (silano) e adesivo. PFVs foram condicionados ou não com ácido fosfórico 37% e receberam aplicação de diferentes materiais: um agente de união, um adesivo, ou ambos.
Braz. Dent. J.. Publicado em: 2016-04