Xenoenxerto versus enxerto autógeno em cirurgia de levantamento de seio maxilar: uma revisão sistemática.

• Autor(a) principal: Rebouças, Camila Ataide.
• Data de Publicação: 2015
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UFRN
• Texto Completo: https://repositorio.ufrn.br/handle/123456789/39162
• topic: Transplante ósseo; Implantação dentária; Seio maxilar; Procedimento cirúrgico

A sufficient bone structure is required for the installation of an implant in the desired location. Losses of height and bone thickness in the posterior maxilla, the maxillary sinus lift surgery is the preferred technique. This procedure involves placing graft between the sinus membrane and the floor of the maxillary sinus, aiming at recovering the amount of bone making it possible to implant placement. The grafts can be autogenous origin, heterogenous or xenogenous. The autogenous graft is known as the gold standard, but it can present some disadvantages such as limited amounts of bone in some cases, high cost and morbidity areas of the patient. Therefore, further studies are being developed in order to find substitutes for autogenous. One such alternative is the new xenogeneic grafts in which the BioOss® is a type of xenograft bovine origin. The objective was to compare, through a systematic review, the autograft and xenograft (BioOss®), identifying the main advantages and disadvantages, evaluating success rate, resorption capacity, time to implant installation and the rate of survival of implants placed in both the autograft and in xenograft, and / or a combination of both. Search strategies using words and descriptors were made and applied in four research bases in the first time, the articles were selected by title, abstract and inclusion and exclusion criteria. In the second phase, the items were scored by two raters after his complete reading. Thus, shaped articles 18 selected for the following study. It is concluded that the three types of grafts studied in this systematic review, and they autograft, the BioOss®, and the combination of both, are effective in maxillary sinus lift surgery. The time required for installing the implant in most cases was 6 months and the resorption rate is greater than the autogenous BioOss® and the combination of the two. Furthermore, the survival rate of the implants installed was fairly high, and in most cases greater than 90%.