Single Crowns
Mostrando 1-12 de 49 artigos, teses e dissertações.
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1. Restorative Possibilities Using Zirconia Ceramics for Single Crowns
Resumo Dois casos clínicos são apresentados para explorar as diferenças técnicas e discutir as vantagens e desvantagens de se utilizar zircônia com cerâmica estratificada ou monolítica para confeccionar coroas unitárias. O primeiro caso descreve os passos clínicos na confecção de uma coroa monolítica no segundo pré-molar esquerdo utilizando uma
Braz. Dent. J.. Publicado em: 07/10/2019
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2. Influence of Abutment Collar Height and Implant Length on Stress Distribution in Single Crowns
Resumo Este estudo avaliou a influência da altura da porção transmucosa do pilar protético com junção cone morse e do comprimento dos implantes no comportamento biomecânico coroas unitárias com diferentes proporção coroa-implante. Seis modelos virtuais (S11, M11, L11, S13, M13 e L13) foram construídos combinando pilares protéticos com transmucoso
Braz. Dent. J.. Publicado em: 03/06/2019
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3. Fatigue survival and damage modes of lithium disilicate and resin nanoceramic crowns
Abstract Polymer-based composite materials have been proposed as an alternative for single unit restorations, due to their resilient and shock absorbing behavior, in contrast to the brittleness of ceramic materials that could result in failure by fracture. Objective: To evaluate the fatigue strength and damage modes of monolithic posterior resin nanoceramic
J. Appl. Oral Sci.. Publicado em: 30/05/2019
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4. Bonding of universal adhesive system to enamel surrounding real-life carious cavities
Abstract: This study aimed to evaluate the bond strength of a universal adhesive system to enamel surrounding real-life carious cavities. Twenty-eight permanent molars (n = 7) with carious lesions in dentin were subjected to selective carious tissue removal to firm dentin and had their crowns sectioned longitudinally. A universal adhesive system (Single Bond
Braz. oral res.. Publicado em: 27/05/2019
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5. A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin
RESUMO Uma nova espécie de Curculionichthys é descrita da bacia do rio Curuá-Una, na borda norte do Escudo Brasileiro, Estado do Pará, Brasil. A nova espécie é diagnosticada de seus congêneres por possuir uma placa rostral única, a coroa dos dentes escurecida e por uma séria de dados morfométricos e merísticos. Um exame detalhado das espécies de
Neotrop. ichthyol.. Publicado em: 02/05/2019
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6. Morse taper performance: A finite element analysis study
OBJECTIVES: To evaluate and compare the magnitude and distribution of stresses generated on implants, abutments and first molar metal-ceramic crowns using finite element analysis. METHODS: Preliminary three-dimensional models were created using the computer-aided design software SolidWorks. Stress and strain values were observed for two distinct virtual mo
Clinics. Publicado em: 25/03/2019
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7. Longevity of metal-ceramic crowns cemented with self-adhesive resin cement: a prospective clinical study
Abstract Resin cements are often used for single crown cementation due to their physical properties. Self-adhesive resin cements gained widespread due to their simplified technique compared to regular resin cement. However, there is lacking clinical evidence about the long-term behavior of this material. The aim of this prospective clinical trial was to asse
Braz. oral res.. Publicado em: 10/04/2017
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8. LPS levels in root canals after the use of ozone gas and high frequency electrical pulses
Abstract The present study aims to verify the effect of ozone gas (OZY® System) and high frequency electric pulse (Endox® System) systems on human root canals previously contaminated with Escherichia colilipopolysaccharide (LPS). Fifty single-rooted teeth had their dental crowns removed and root lengths standardized to 16 mm. The root canals were prepared
Braz. oral res.. Publicado em: 15/03/2016
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9. In Vitro Fit and Cementation Resistance of Provisional Crowns for Single Implant-Supported Restorations
Resumo: O objetivo deste estudo foi avaliar a adaptação marginal e o efeito da espessura da camada de cimento na retenção de coroas provisórias fixadas sobre os pilares com o auxílio de cilindros acrílicos pré-fabricados, utilizando dois cimentos provisórios submetidos ou não à ciclagem mecânica. Coroas provisórias foram confeccionadas com resin
Braz. Dent. J.. Publicado em: 2015-10
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10. Are bovine teeth a suitable substitute for human teeth in in vitro studies to assess endotoxin load in root canals?
The present study aimed to determine the feasibility of using bovine teeth as a suitable alternative for human teeth, in experiments involving in vitro endotoxin contamination. Twenty bovine central incisors and 20 human single-root premolars had their dental crowns removed and root lengths set at 16 mm. Root canals were prepared up to #60 K-file size and st
Braz. oral res.. Publicado em: 03/07/2015
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11. In vitro evaluation of the marginal and internal discrepancies of different esthetic restorations
Objective: This study examined the fit of two types of all-ceramic single crowns and indirect composite resin full coverage crowns. Material and Methods: Thirty intact human mandibular first premolars were selected for this study and prepared using a machine to standardize the dimensions and randomly divided into 3 groups. Slip cast (IC) (In-Ceram Zirc
J. Appl. Oral Sci.. Publicado em: 2013-12
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12. Importance of a distal proximal contact on load transfer by implant-supported single adjacent crowns in posterior region of the mandible: a photoelastic study
OBJECTIVE: This study aimed to evaluate the importance of a distal proximal contact on the load transfer to the posterior region of the mandible by non-splinted adjacent implant-supported crowns using photoelastic stress analysis. MATERIAL AND METHODS: A rectangular model (68x30x15 mm) was made of polymethylmethacrylate resin to simulate half of the mand
J. Appl. Oral Sci.. Publicado em: 2013-09