Long-standing partial edentulism in the posterior segment of an atrophic maxilla is a challenging treatment. Sinus elevation via Cadwell Luc has several anatomical restrictions, post-operative discomfort and the need of complex surgical techniques. The osteotome approach is a significantly safe and efficient tecnique, as a variation of this technique the "minimal invasive antral membrane balloon elevation" (MIAMBE) has been developed, which use a hydraulic system. We present three cases in which the system was used MIAMBE for tooth replacement in the posterior. This procedure seems to be a relatively simple and safe solution for the insertion of endo-osseus implants in the posterior atrophic maxilla. Keywords: "Dental Implants" [MeSH], "Sinus floor augmentation" [MeSH], balloon.Elevación mínimamente invasiva mediante globo de la membrana antral (MIAMBE): Presentación de 3 casos clínicos.Abstract: El edentulismo parcial de larga data en el segmento posterior en un maxilar atrófico supone un reto terapéutico. La elevación de seno vía Cadwell Luc presenta restricciones anatómicas, incomodidades post-operatorias y la necesidad de técnicas quirúrgicas complejas. El enfoque con osteotomos tiene una eficacia y seguridad considerable, como una variación a esta se ha desarrollado la "elevación mínimamente invasiva mediante globo de la membrana antral" (MIAMBE), que utiliza un sistema hidráulico. Se presentan tres casos en los que se utilizó el sistema MIAMBE para el reemplazo de dientes en el sector posterior. Este procedimiento parece ser una solución relativamente sencilla y segura para inserción de implates endo-óseos en el caso de un maxilar atrófico posterior.
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