Dental Acrylic Resin
Mostrando 1-12 de 65 artigos, teses e dissertações.
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1. Development of a novel resin with antimicrobial properties for dental application
The adhesion of biofilm on dental prostheses is a prerequisite for the occurrence of oral diseases. Objective: To assess the antimicrobial activity and the mechanical properties of an acrylic resin embedded with nanostructured silver vanadate (β-AgVO3). Material and Methods: The minimum inhibitory concentration (MIC) of β-AgVO3 was studied in relation t
J. Appl. Oral Sci.. Publicado em: 2014-10
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2. Effect of cleanser solutions on the color of acrylic resins associated with titanium and nickel-chromium alloys
This study evaluated the effect of cleanser solutions on the color of heat-polymerized acrylic resin (HPAR) and on the brightness of dental alloys with 180 immersion trials. Disk-shaped specimens were made with I) commercially pure titanium, II) nickel-chromium-molybdenum-titanium, III) nickel-chromium molybdenum, and IV) nickel-chromium-molybdenum beryllium
Braz. oral res.. Publicado em: 11/06/2014
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3. Etidronate from Medicine to Endodontics: effects of different irrigation regimes on root dentin roughness
An increase in dentin roughness, associated with surface composition, contributes to bacterial adherence in recontaminations. Surface roughness is also important for micromechanical interlocking of dental materials to dentin, and understanding the characteristics of the surface is essential to obtain the adhesion of root canal sealers that have different phy
J. Appl. Oral Sci.. Publicado em: 2013-09
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4. Avaliação in vitro do efeito da incorporação de clorexidina nas propriedades físicas e na atividade antibacteriana de resinas acrílicas autopolimerizáveis / Effect of the incorporation of chlorhexidine in provisional crown and bridge acrylic resins on their physical properties
Objetivo. O objetivo do presente estudo foi avaliar o efeito da incorporação de diacetato de clorexidina (CDA), em diferentes concentrações e tempos de armazenamento, nas propriedades físicas e na atividade antibacteriana de resinas acrílicas, utilizadas na confecção de coroas e pontes provisórias. Métodos. Fase I: Foram confeccionados 150 corpos d
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/02/2012
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5. Multi-species biofilm of Candida albicans and non-Candida albicans Candida species on acrylic substrate
OBJECTIVE: In polymicrobial biofilms bacteria extensively interact with Candida species, but the interaction among the different species of the Candida is yet to be completely evaluated. In the present study, the difference in biofilm formation ability of clinical isolates of four species of Candida in both single-species and multi-species combinations on th
Journal of Applied Oral Science. Publicado em: 2012-02
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6. Influência da rugosidade e energia livre de superfície de materiais para próteses removíveis a base de polimetilmetacrilato nas propriedades do biofilme de Candida albicans / Influence of the roughness and free energy surfasse of the materials for removable prosthesis the base of polymethymethacrylate in the properties of biofilm of Candida albicans
The properties of surface of the resins and reliners base of polymethymethacrylate used in removable dental prosthesis can interfere in the adhesion, colonization and formation of biofilm of Candida spp., microorganism associated to the prosthetic stomatitis. The objective of this research was to evaluate the influence of the roughness and the free energy of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011
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7. Avaliação do potencial erosivo do suco de laranja modificado pela adição de caseína e ovalbumina / Evaluation of the erosive potential of an orange juice modified by the addition of casein and ovalbumin [dissertation
The erosive potential of a modified orange juice by addition of casein, ovalbumin and its combination, on human enamel and root dentin was evaluated in this in vitro study. Two dietary proteins, 0.2 g/l casein (CAS), 2.0 g/l ovalbumin (OVA) and their combination (CAS + OVA) were added to a commercially available orange juice. The juice with no additives was
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/06/2011
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8. TEMPERATURA DE POLIMERIZAÇÃO DA RESINA ACRÍLICA ODONTOLÓGICA NA MEDULA ESPINHAL DE RATOS / POLYMERIZATION TEMPERATURE OF DENTAL ACRYLIC RESIN IN THE SPINAL CORD OF RATS
O objetivo deste experimento foi investigar se a temperatura de polimerização da resina acrílica odontológica ocasiona sinais neurológicos e alteração histológica na medula espinhal de ratos. Foram utilizados 48 ratos Wistar, distribuídos em dois grupos denominados GI ou cimento ósseo (controle positivo) e GII ou resina acrílica odontológica. Cad
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/03/2011
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9. Resistance to compression of weakened roots subjected to different root reconstruction protocols
OBJECTIVE: This study evaluated, in vitro, the fracture resistance of human non-vital teeth restored with different reconstruction protocols. MATERIAL AND METHODS: Forty human anterior roots of similar shape and dimensions were assigned to four groups (n=10), according to the root reconstruction protocol: Group I (control): non-weakened roots with glass fibe
Journal of Applied Oral Science. Publicado em: 2011-12
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10. Crown dimensions and proximal enamel thickness of mandibular second bicuspids
To achieve proper recontouring of anterior and posterior teeth, to obtain optimal morphology during enamel stripping, it is important to be aware of dental anatomy. This study aimed at evaluating crown dimensions and proximal enamel thickness in a sample of 40 extracted sound, human, mandibular, second bicuspids (20 right and 20 left). Mesiodistal, cervico-o
Brazilian Oral Research. Publicado em: 2011-08
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11. Evaluation of the accuracy of different transfer impression techniques for multiple implants
The aim of this study was to evaluate the accuracy of three implant transfer impression techniques. Four groups (n = 5) were defined, according to the technique: TC - tapered copings without splint; SC - square copings without splint; SCS - square copings splinted with dental floss and acrylic resin, and CG (control group) - master model with four external h
Brazilian Oral Research. Publicado em: 2011-04
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12. Avaliação in vitro de materiais e técnicas de transferência em implantes múltiplos / In vitro evaluation of materials and tranfer techniques in multiple implants
Objectives: The aim of this study is to compare different materials and techniques used in multiple implant transfer impressions, measuring the gap between superstructure and the implants. Method: Four external hexagonal implants (Neodent, Curitiba, Brazil) were fixed in a master cast and over a superstrucure. Afterwards, the impressions were made using poly
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/07/2010