Modificaciones de diseño protésico para mejorar estética en prótesis parcial removible metálica

2013 
espanolPese al innegable incremento en la utilizacion de implantes oseo integrados en el tratamiento de la extensa problematica de la desdentacion parcial, la confeccion de protesis removibles metalicas continua siendo a escala mundial, el principal recurso terapeutico vigente. Sin embargo, desde el punto de vista del paciente, la recuperacion de la funcion estetica es su principal falencia. Proponemos entonces, extender la utilizacion del principio de retencion friccional inherente a la protesis fija, mediante la preparacion de "facetas retentivas friccionales" en ciertos dientes pilares, generando de este modo artificios protesicos removibles con suficiente retencion, sin exhibir elementos metalicos en los sectores anteriores de la cavidad bucal. Se exponen cinco casos clinicos que respaldan la validez de nuestra propuesta tras una correcta indicacion. EnglishDespite the fact that nowadays the use of osseointegrated implants is increasing worldwide nevertheless removable partial dentures with cast metal frameworks is still the most indicated treatment for cases of partial edentulism. However, patients remain reluctant regarding the aesthetic impairment brought by some of the removable partial dentures' components. Therefore we propose to apply to removable partial dentures some of the frictional retention's principles used in fixed prostheses, preparing instead of conventional guiding planes in some abutmnent teeth, a more wide and extensive platform what we so-called "frictional retentive facets". Accordingly we can afford to provide enough retention to our removable devices without exposing unaesthetic components such as vestibular retentive arms. Five clinical cases will be shown in order to sustain our proposal keeping in mind the need of respecting yhe right indication.
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