ABSTRACT
ABSTRACT The aim of this pilot study was to evaluate the impact of the association of free gingival graft (FGG) or collagen-matrix xenograft (CMX) to deproteinized bovine bone graft (DBBG) on the preservation of post-extraction sockets with facial-wall defects. Sixteen patients who presented a maxillary tooth with a facial bone defect and indication of extraction were selected. After the surgical procedure, all the post-extraction sockets were filled with DBBG and covered with a collagen membrane. The cervical part of the socket was then sealed with either FGG or CMX. Clinical and tomographic analyses were performed at baseline and 4 months after the grafting procedure. The FGG sockets showed higher values for the width of the bone ridge than the CMX sockets at 4 months. There was no difference regarding biopsy composition. In conclusion, regardless of the type of soft tissue graft used, socket preservation with DBBG at sites presenting facial bone defects enabled implant placement without further guided bone regeneration, whether the sockets were sealed with FGG or CMX.
RESUMO
ABSTRACT
El edentulismo parcial puede ser eficazmente rehabilitado con la utilización de implantes oseointegrados. Con los avances de la implantología se ha alcanzado el restablecimiento tanto funcional como estético de áreas edéntulas y principalmente reduciendo el tiempo de tratamiento. Para lograr estos objetivos utilizando implantes oseointegrados, se han desarrollado innumerables técnicas quirúrgicas. En este relato de caso clínico se realizaron dos técnicas quirúrgicas concomitantes asociadas, la instalación del implante con carga inmediata e injerto de tejido conjuntivo. El objetivo de esta asociación de técnicas fue preservar la mucosa queratinizada en el CONIC® - Conexão Sistema de Prótese Ltda) fue instalado en la región con un excelente trabamiento inicial de 50 N.cm determinado por el torquímetro. Esta condición permitió optar por realizar carga inmediata. Por lo tanto fue seleccionado e instalado el abutment del tipo ceraone (Conexão Sistema de Prótese Ltda) y confeccionada la prótesis provisional de resina acrílica.
The partial edentulism might be rehabilitated using dental implants. The advances in implantology had reached the functional reestablishment and esthetics in edentulism areas and decreasing the time of the treatments. These advantages of dental implants may be used in association with different surgical techniques. In this case report two surgical techniques were associated, the placement of dental implant with immediate loading and the connective tissue graft. The aim of this technique was the preservation of the queratinizated and bone tissue, periimplant marginal sealing, and obtaining esthetics in a short term period.