Se evaluaron los resultados clinicos y radiograficos tras la colocacion de 11 implantes Bicon oseointegrados utilizando la tecnica de elevacion interna del seno maxilar (abordaje crestal) recomendada por la casa manufacturera. Se trabajo con 8 pacientes sin antecedentes sistemicos de importancia, no fumadores y previamente seleccionados debido a edentulismo parcial de zonas de primer premolar a primer molar con evidencia radiografica de neumatizacion del seno maxilar. Como requisito indispensable, debian presentar de 4 a 5 milimetros de hueso remanente entre el reborde alveolar residual y el piso de seno maxilar, con el objetivo de lograr fijacion primaria del implante. Los resultados mostraron que la tecnica de elevacion interna de seno maxilar fue efectiva y con ella se obtuvieron ventajas con respecto a la tecnica de elevacion lateral de seno tales como un menor trauma, eliminacion de la utilizacion de membranas de regeneracion guiada y menores costos. Ademas tambien permitio el uso de hueso autologo recolectado durante la preparacion del lecho y el postoperatorio no presento infecciones u otro tipo de complicaciones. ABSTRACT A clinical and radiographic evaluation was made of 8 patients on which 11 Bicon osseo-integrated implants were placed with the use of the technique for internal elevation of the maxillary sinus recommended by the manufacturer. Inclusion criteria of the patient population included absence of systemic compromise, non-smoking , partial eduntilism of the areas between maxillary first premolars and first molars which had radiographic evidence of maxillary sinus pneumatization, as well as 4 to 5 millimeters of remnant bone which would allow a primary fixation of the implant. Results indicated that the technique was effective and presented advantages with respect to the technique for lateral elevation of the sinus such as less trauma, elimination of the use of regeneration membranes and less costs. Moreover, it also allowed the use of autologous bone obtained during bed preparation as well as lack of infections or other complications during the postoperative period.