Artificial Teeth
Mostrando 13-24 de 81 artigos, teses e dissertações.
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13. Different methods of dental caries diagnosis in an epidemiological setting
AIM: To evaluate the performance of dental caries detection when adjunct methods are associated and their applicability in epidemiological survey of dental caries, at D3 cavitated carious lesions at dentin layer and D1+D3 non cavitated and cavitated carious lesions at enamel/dentin layer diagnostic thresholds. METHODS: A total of 2189 posterior teeth from 1
Braz. J. Oral Sci.. Publicado em: 2015-03
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14. Cost analysis of materials used in Class III, IV and V composite resin restorations
AIM: To assess the total cost of direct and indirect materials used in Class III, IV and V composite resin direct restorations. METHODS: The calculation of costs was based on the method of variable costing system. A list of the materials was obtained by a panel of experts and based on the excellence standards established in the literature for dental team tre
Braz. J. Oral Sci.. Publicado em: 2013-12
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15. Evaluation of human enamel permeability exposed to bleaching agents
AIM: To evaluate the human enamel permeability after different external bleaching techniques. METHODS: The coronal portions of 20 maxillary human incisors were covered with an acid resistant varnish, except the labial surface, to prevent dye penetration of silver nitrate. The specimens were divided randomly into four groups (n=5) according to the bleaching t
Braz. J. Oral Sci.. Publicado em: 2013-06
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16. Viabilidade da substituição de raízes de dentes humanos por raízes construídas em compósito para estudos de mecânica da fratura / Viability of replacing the roots of human teeth by roots made of composite for the study of fracture mechanics
OBJETIVO: A restauração de dentes tratados endodonticamente é um desafio para a Odontologia. A fratura do remanescente radicular é comum neste tratamento. São três os métodos utilizados para estudar as fraturas: a análise por elementos finitos, os que utilizam dentes naturais e aqueles que utilizam dentes artificiais. O uso de dentes naturais apresen
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/04/2012
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17. Fracture resistance of bleached teeth restored with different procedures
This study evaluated the fracture resistance of teeth submitted to internal bleaching and restored with different non-metallic post. Eighty mandibular incisors were endodontically treated and randomly divided in 10 groups (n = 8): G1- restored with composite resin (CR), G2- CR + fiber-reinforced composite post (FRC, Everstick post, Sticktech) cemented with r
Materials Research. Publicado em: 19/06/2012
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18. In vitro evaluation of the whitening effect of mouth rinses containing hydrogen peroxide
The aim of this study was to evaluate the bleaching effect of two mouth rinses containing hydrogen peroxide. Thirty premolars were randomly divided into two groups (n = 15): Listerine Whitening (LW) and Colgate Plax Whitening (PW). The teeth were fixed on a wax plate and with acrylic resin, at a distance of 5 mm between each other, exposing the buccal surfac
Brazilian Oral Research. Publicado em: 2012-06
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19. Antioxidant activity by DPPH assay of potential solutions to be applied on bleached teeth
O objetivo deste estudo foi avaliar, por meio do DPPH, a atividade antioxidante de substâncias que poderiam ser propostas para reverter de imediato os problemas causados pelos procedimentos de clareamento. A porcentagem de atividade antioxidante (AA%) da solução de acido ascórbico 10% (AAcidS), gel de ácido ascórbico a 10% (AAcidG), solução de ascorb
Brazilian Dental Journal. Publicado em: 2012
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20. Performance de diferentes métodos de instrumentação radicular em dentes decíduos humanos e artificiais avaliado pela tomografia computadorizada por feixe cônico / Performance of different methods of root canal instrumentation in natural and artificial primary teeth evaluated by cone beam computed tomography
No intuito de avaliar novas possibilidades de instrumentação radicular em dentes decíduos, o objetivo do presente estudo foi avaliar a performance de três diferentes métodos, manual e mecanizados, utilizando tomografia computadorizada por feixe cônico (TCFC). As técnicas utilizadas foram manual (MAN), rotatória com o sistema Protaper (ROT) e oscilat�
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/08/2011
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21. Análise do custo de materiais utilizados em restaurações dentárias posteriores diretas em resina composta / Cost analysis of materials used in composite resin direct posterior dental restorations
The cost of the materials is part of the calculation of the value of dental fees. The composite resins are materials commonly used in direct posterior dental restorations. The aim of this study was to determine the total value of the cost of the direct and indirect materials used in composite resin posterior dental restorations. The calculation of costs was
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/07/2011
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22. Microtração de sistemas adesivos autocondicionantes em dentina desmineralizada de dentes decíduos após preparo cavitário com laser de Er: YAG: avaliação in vitro / Microtensile bond strength of selfetch adhesive systems in demineralised dentin of primary teeth after Er: YAG laser irradiation: in vitro evaluation
O objetivo deste estudo foi avaliar a resistência à microtração de adesivos autocondicionantes em dentina desmineralizada de dentes decíduos após a irradiação com laser de Er: YAG. Oitenta e dois molares decíduos tiveram a porção oclusal seccionada transversalmente e os espécimes foram desgastados com lixas de carbeto de silício de granulações
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/06/2011
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23. In vitro evaluation of the microhardness of bovine enamel exposed to acid solutions after bleaching
Acid erosion is a superficial loss of enamel caused by chemical processes that do not involve bacteria. Intrinsic and extrinsic factors, such as the presence of acid substances in the oral cavity, may cause a pH reduction, thus potentially increasing acid erosion. The aim of this study was to evaluate the microhardness of bleached and unbleached bovine ename
Brazilian Oral Research. Publicado em: 2011-12
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24. Effectiveness of gutta-percha and Resilon in filling lateral root canals using the Obtura II system
The aim of this study was to evaluate the effectiveness of gutta-percha and Resilon in filling lateral root canals by using the Obtura II system. Root canals of artificial teeth were prepared using a standard protocol, and lateral canals were made in three thirds of the root canal. The root canals were filled with either Obtura gutta-percha (OB), Endo-points
Brazilian Oral Research. Publicado em: 2011-06