El tratamiento con implantes cigomáticos en pacientes con atrofia maxilar severa

espanolIntroduccion: El objetivo del presente estudio era mostrar los resultados del tratamiento con implantes cigomaticos utilizados en pacientes con atrofia maxilar severa. Metodos: 18 pacientes fueron tratados con 36 implantes cigomaticos Galimplant ® sumergidos con conexion interna para su rehabilitacion prostodoncica. Las tecnicas quirurgicas de insercion de cigomaticos fueron extrasinusal y la tecnica de la ranura sinusal. Los implantes fueron cargados despues de un periodo de cicatrizacion de 6 meses. Resultados: Los hallazgos clinicos indican una supervivencia de los implantes del 100%. 14 implantes (38,9%) se insertaron por via extrasinusal y 22 implantes (61,6%) por la tecnica de la ranura sinusal. Un total de 18 protesis hibridas atornilladas fueron realizadas. Complicaciones postoperatorias fueron observadas en 4 pacientes (22,2%). El periodo medio de seguimiento clinico ha sido de 12 meses. Conclusiones: Este estudio indica que los implantes cigomaticos pueden ser utilizados con exito en el tratamiento de los pacientes con atrofia maxilar severa. EnglishIntroduction: The aim of this study was to report the outcome of treatment with zygomatic implants used in patients with severe atrophy of maxilla. Methods: 18 patients were treated with 36 Galimplant ® zygomatic implants with internal connection for prosthodontic rehabilitation. Zygomatic surgical techniques were two approach for insertion of implants, extrasinusal and sinus slot technique. Implants were loaded after a healing free-loading period of six months. Results: Clinical results indicate a survival rate of implants of 100%. Fourteen implants (38.9%) were inserted by extrasinusal approach while twenty two implants were inserted by sinus slot approach (61.1%). A total of 18 hybrid screw prostheses were realized. Postoperative complications were observed in four patients (22.2%). The mean follow-up period were 12 months. Conclusions: This study indicate that zygomatic implants can be used with success in treatment of patients with severe atrophic maxilla.