Publication: Evaluación de la discrepancia marginal en coronas cerámicas monolíticas CAD/CAM confeccionadas mediante escáner extra e intraoral y coronas metal-cerámica
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2019-04-12
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Universidad Complutense de Madrid
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Abstract
En prótesis fija, las restauraciones metal-cerámicas siguen siendo el gold standard. Sin embargo, cada vez hay una mayor demanda por parte de los pacientes de restauraciones totalmente cerámicas.Uno de los problemas más frecuentes de las restauraciones cerámicas, es la fractura dela cerámica de recubrimiento. Por ello, para evitar los inconvenientes derivados de las estructuras en capas, recientemente han surgido los sistemas cerámicos monolíticos.El éxito a largo plazo de estas restauraciones está basado principalmente en la estética,la resistencia a la fractura y la discrepancia marginal. Existen diferentes factores que pueden influir en el desajuste marginal, como el material cerámico o la tecnología CAD/CAM. Por ello en el presente estudio se propuso evaluar la discrepancia marginal de coronas cerámicas monolíticas, confeccionadas con 2 sistemas cerámicos y digitalizadas con 2 escáneres, y compararlas con las coronas metal-cerámicas convencionales...
In fixed prothesis, metal-ceramic crowns continue to be the gold standard. However, patients increasingly demand all-ceramic restorations.The fracture of the ceramic layer is one of the most frequent problems in ceramic restorations. In order to avoid the inconvenience resulting from a multi-layer structure, recently monolithic ceramic systems have arisen. Long term success of these restorations is based in aesthetics, fracture resistance and marginal discrepancy. Different factors could influence in the marginal discrepancy, such as the ceramic system or CAD/CAM technology.Thus, in the present study was proposed the marginal discrepancy evaluation of monolithic ceramic crowns, manufactured with 2 ceramic systems and digitalized with 2 scanners, and their comparison with conventional metal-ceramic crowns...
In fixed prothesis, metal-ceramic crowns continue to be the gold standard. However, patients increasingly demand all-ceramic restorations.The fracture of the ceramic layer is one of the most frequent problems in ceramic restorations. In order to avoid the inconvenience resulting from a multi-layer structure, recently monolithic ceramic systems have arisen. Long term success of these restorations is based in aesthetics, fracture resistance and marginal discrepancy. Different factors could influence in the marginal discrepancy, such as the ceramic system or CAD/CAM technology.Thus, in the present study was proposed the marginal discrepancy evaluation of monolithic ceramic crowns, manufactured with 2 ceramic systems and digitalized with 2 scanners, and their comparison with conventional metal-ceramic crowns...
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Tesis inédita de la Universidad Complutense de Madrid de la Facultad de Odontología. Departamento de Especialidades Clínicas Odontológicas, leída el 12-12-018