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Sistemas CAD-CAM em Medicina Dentária. Integração com métodos de análise de ten...
Correia, A.; Sampaio Fernandes, J.C.; Campos, J.C. Reis; Vaz, M.A.P.; Piloto, P.A.G.; Viriato, NunoA evolução tecnológica das últimas décadas, dos sistemas de levantamento de forma, das preparações dentárias, do software de desenho virtual (0W), dos materiais dentários e máquinas de fresagem (CAM), levou ao desenvolvimento de vários sistemas CAD-CAM com aplicabilidade em Medicina Dentária (ex. Everestt Kavo, disponível na FMDUPJ). Nesse sentido o Grupo da Prótese Dentária e Oclusão da FMDUP desenvolveu uma c...
Metal ceramic fixed partial denture: fracture resistance
Piloto, P.A.G.; Alves, Ana; Correia, A.; Campos, J.C. Reis; Fernandes, J.C. Sampaio; Vaz, M.A.P.; Viriato, NunoPartially encased beam is a steel-concrete composite structure, made-up with a hot rolled profile and filled with concrete between flanges. Such structural element improves load-bearing capacity at elevated temperatures. Metal ceramic Fixed Partial Dentures (FPD) are suitable to increase fracture resistance presenting higher clinical longevity. This type of prosthesis is mainly used when a great number of teet...
Experimental measurement of the displacement field on a mandible in vitro
Lopes, H.; Ribeiro, J.E.; Piloto, P.A.G.; Viriato, Nuno; Monteiro, J.; Campos, J.C. Reis; Vaz, M.A.P.This paper presents an attempt to obtain the displacement field produced in a human mandible during the mastication. This information is of crucial importance in the stress estimation. Rubber bands fixed on mandible bone are used to simulate muscles and tendons being the load applied at the incisive teeth and controlled by a load cell. The temporomandibular joint and ligaments are implemented through the fixati...
Metal ceramic fixed partial denture: fracture resistance
Piloto, P.A.G.; Alves, Ana; Correia, A.; Campos, J.C. Reis; Fernandes, J.C. Sampaio; Vaz, M.A.P.; Viriato, NunoMetal ceramic fixed Partial dentures (FPD) are suitable to increase fracture resistance presenting higher clinical longevity. This type of prosthesis is mainly used when a great number of teeth replacements are need. The FPD under analysis is represented iii figure 1, defined by a metallic infrastructure (titanium) and by a ceramic coating.
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