26 resultados para Prótese de valva cardíaca


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A ausência de dentes posteriores inferiores representa dificuldades no planejamento e controle de próteses parciais removíveis, pois o suporte é proporcionado por dentes e mucosa, que apresentam características anatômicas diferentes. O planejamento de próteses parciais removíveis apoiadas sobre implantes na região distal torna a prótese dento-implanto-suportada e não dento-muco-suportada sendo, uma opção aos casos de extremidade livre. Por meio deste relato de caso, um paciente portador de arco classe II de Kennedy foi reabilitado com prótese parcial removível apoiada sobre implante na região distal. A colocação do implante resultou em uma oclusão mais estável, o que melhorou a funcionalidade da prótese e proporcionou maior conforto ao paciente. Observou-se que esta resolução pode ser uma alternativa viável de tratamento, pois apresenta custo reduzido em relação à prótese fixa sobre implantes, entretanto, requer um acompanhamento em longo prazo com uma série de casos para tornar-se um método rotineiro de tratamento.

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A ausência de dentes posteriores inferiores representa dificuldades no planejamento e controle de próteses parciais removíveis, pois o suporte é proporcionado por dentes e mucosa, que apresentam características anatômicas diferentes. O planejamento de próteses parciais removíveis apoiadas sobre implantes na região distal torna a prótese dento-implanto-suportada e não dento-muco-suportada sendo, uma opção aos casos de extremidade livre. Por meio deste relato de caso, um paciente portador de arco classe II de Kennedy foi reabilitado com prótese parcial removível apoiada sobre implante na região distal. A colocação do implante resultou em uma oclusão mais estável, o que melhorou a funcionalidade da prótese e proporcionou maior conforto ao paciente. Observou-se que esta resolução pode ser uma alternativa viável de tratamento, pois apresenta custo reduzido em relação à prótese fixa sobre implantes, entretanto, requer um acompanhamento em longo prazo com uma série de casos para tornar-se um método rotineiro de tratamento.

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Objetivo: Buscar na literatura evidências científicas que suportem os benefícios da individualização da curva de compensação em prótese total, pela técnica do desgaste de Paterson, em relação à curva de compensação não individualizada. Metodologia: Realizou-se, em Dezembro de 2009, uma revisão sistemática da literatura nas bases de dados MEDLINE, LILACS e BBO com os termos “prótese total” e “oclusão”. Para abranger uma maior quantidade de dados, realizou-se uma busca manual através das referências dos artigos inicialmente selecionados. Resultados: Obteve-se 1273 referências na base dados MEDLINE, 64 na LILACS e 103 na BBO, num total de 1440 referências. Dessas, apenas 24 tratavam do assunto “curva de compensação”, as quais somaram-se mais 13 artigos selecionados manualmente. Conclusão: A partir dos resultados obtidos, conclui-se que não existem dados suficientes que comprovem clinicamente os benefícios da individualização da curva de compensação em relação às próteses totais com curva de compensação não individualizada. Ensaios clínicos controlados e randomizados são necessários para que se possa determinar qual o procedimento mais adequado.

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Objetivo: Buscar na literatura evidências científicas que suportem os benefícios da individualização da curva de compensação em prótese total, pela técnica do desgaste de Paterson, em relação à curva de compensação não individualizada. Metodologia: Realizou-se, em Dezembro de 2009, uma revisão sistemática da literatura nas bases de dados MEDLINE, LILACS e BBO com os termos “prótese total” e “oclusão”. Para abranger uma maior quantidade de dados, realizou-se uma busca manual através das referências dos artigos inicialmente selecionados. Resultados: Obteve-se 1273 referências na base dados MEDLINE, 64 na LILACS e 103 na BBO, num total de 1440 referências. Dessas, apenas 24 tratavam do assunto “curva de compensação”, as quais somaram-se mais 13 artigos selecionados manualmente. Conclusão: A partir dos resultados obtidos, conclui-se que não existem dados suficientes que comprovem clinicamente os benefícios da individualização da curva de compensação em relação às próteses totais com curva de compensação não individualizada. Ensaios clínicos controlados e randomizados são necessários para que se possa determinar qual o procedimento mais adequado.

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Objective: To evaluate the planning and quality of plaster models for fabricati on of removable parti al dentures received from three commercial prosthodonti c laboratories located in the city of João Pessoa, PB, Brazil, which perform the casting procedures in their facilities. Methods: Forty 40 plaster models were photographed per laboratory, totalizing 120 models. The evaluation was performed using two questi onnaires, one designed for the dental prosthesis technicians, and another applied by the investigator for the visual evaluati on of the models. Data were analyzed using the SPSS soft ware version 13.0. Results: Ninety-two (76.7%) models did not present planning. In addition, no model presented references of insertion plane or guide pins. Calculati on of the mouth preparati on index (MPI) to evaluate the distribution of the oclusal and cingulum abutments or rests showed that 86 (71.7%) models were classifi ed as poor, 23 (19.2%) models as good and only 11 (9,.2%) models as acceptable. Defects were found in 102 (85%) models. Conclusion: The prosthodontists are not preparing the mouth of their pati ents, neglecti ng the planning of removable partial dentures, and passing this responsibility to the dental prosthesis technicians. In addition, the quality of the models sent to the laboratories was unsatisfactory.

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Objective: To evaluate the planning and quality of plaster models for fabricati on of removable parti al dentures received from three commercial prosthodonti c laboratories located in the city of João Pessoa, PB, Brazil, which perform the casting procedures in their facilities. Methods: Forty 40 plaster models were photographed per laboratory, totalizing 120 models. The evaluation was performed using two questi onnaires, one designed for the dental prosthesis technicians, and another applied by the investigator for the visual evaluati on of the models. Data were analyzed using the SPSS soft ware version 13.0. Results: Ninety-two (76.7%) models did not present planning. In addition, no model presented references of insertion plane or guide pins. Calculati on of the mouth preparati on index (MPI) to evaluate the distribution of the oclusal and cingulum abutments or rests showed that 86 (71.7%) models were classifi ed as poor, 23 (19.2%) models as good and only 11 (9,.2%) models as acceptable. Defects were found in 102 (85%) models. Conclusion: The prosthodontists are not preparing the mouth of their pati ents, neglecti ng the planning of removable partial dentures, and passing this responsibility to the dental prosthesis technicians. In addition, the quality of the models sent to the laboratories was unsatisfactory.

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An appropriate design of a prosthetic rehabilitation should not impute the restoration of occlusal vertical dimension (OVD) to new prostheses, at the risk of the patient does not adapt to a new condition, since a certain amount of time is often necessary for adaptation to a new OVD. This article performed prosthetic rehabilitation with an overlay provisional removable partial denture prior to definitive treatment because the patient showed a considerable decrease in the OVD. Three techniques for OVD determination were used. It is possible to conclude that the use of interim removable partial dentures is of great importance at the beginning of the rehabilitation treatment in order to adapt the patient to a new occlusal condition.

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An appropriate design of a prosthetic rehabilitation should not impute the restoration of occlusal vertical dimension (OVD) to new prostheses, at the risk of the patient does not adapt to a new condition, since a certain amount of time is often necessary for adaptation to a new OVD. This article performed prosthetic rehabilitation with an overlay provisional removable partial denture prior to definitive treatment because the patient showed a considerable decrease in the OVD. Three techniques for OVD determination were used. It is possible to conclude that the use of interim removable partial dentures is of great importance at the beginning of the rehabilitation treatment in order to adapt the patient to a new occlusal condition.

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Due to properties such as excellent biocompatibility, high resistance to corrosion and low specific weight, titanium has been considered a material of great interest for Dentistry. It has been widely used in implants and orthognathic surgeries. Recently, titanium has been seen as a feasible alternative for the fabrication of removable partial denture frameworks, either in pure titanium (99.75%) or in titanium alloy forms (Ti-6Al-4V; Ti-6A1-7Nb). Based on a review of the literature, this work studied the use of titanium for the fabrication of removable partial denture frameworks, focusing on its advantages and disadvantages as well as its characteristics. It was concluded that the use of titanium is a convenient option for partially edentulous arches rehabilitation with quite satisfactory and promising clinical results. However, the need for highly-equipped laboratories increases the cost, preventing its large scale use.

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Due to properties such as excellent biocompatibility, high resistance to corrosion and low specific weight, titanium has been considered a material of great interest for Dentistry. It has been widely used in implants and orthognathic surgeries. Recently, titanium has been seen as a feasible alternative for the fabrication of removable partial denture frameworks, either in pure titanium (99.75%) or in titanium alloy forms (Ti-6Al-4V; Ti-6A1-7Nb). Based on a review of the literature, this work studied the use of titanium for the fabrication of removable partial denture frameworks, focusing on its advantages and disadvantages as well as its characteristics. It was concluded that the use of titanium is a convenient option for partially edentulous arches rehabilitation with quite satisfactory and promising clinical results. However, the need for highly-equipped laboratories increases the cost, preventing its large scale use.

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Background: Cardiac Rehabilitation (CR) has effect on mortality in patients with heart failure (HF) chronic, and the exercise of the treatment of this patient. The most common exercise is ongoing training. Recently we have been studying the effects of interval training, but there is no consensus on the optimal dose of exercise. Objective: To evaluate the effects of interval aerobic training are superior to continuous aerobic training in patients with chronic HF. Methods: The clinical trial evaluated patients through cardiopulmonary test (CPX) and quality of life before and after the RC (3 times / 12 weeks). Patients were randomized into Group Interval Training (GTI - 85% of heart rate reserve - FCR), Continuous Training Group (GTC - 60% of HRR) and control group (CG) who received guidelines. Results: 18 patients were evaluated (mean age 44.7 ± 13.2 years and 35.2 ± 8.9% of left ventricular ejection fraction [LVEF]). Both groups were efficient to increase the peak VO2 and 15.1% (P = 0.02) in GTI and 16.1% (P = 0.01) GTC. As for the quality of life the GTI GTC showed improvement compared to the control group (P = 0.006). Hemodynamic mismatch events during the CPX were reduced after training in more GTC (patients 1 to 4) than in the GTI (5 to 3). Cardiac risk also decreased in the GTC (3 patients left the severe risk to take after training). Conclusion: Continuous training becomes more appropriate for improving fitness with little chance of developing cardiac event patients with chronic HF.