ANTERIOR MAXILLARY RECONSTRUCTION WITH COLLAGEN MEMBRANE (BIO-GIDE®) AND XENOGENOUS BONE (BIO-OSS®): A CLINICAL CASE REPORT

Abstract

Guided bone regeneration (GBR) is a widely used technique for the reconstruction of severe bone defects, especially in aesthetic regions such as the anterior maxilla. This study describes the case of a 33-year-old female patient, with no systemic alterations, who attended the clinic of a specialization course in Implantology, complaining of aesthetic and functional dissatisfaction due to the absence of teeth 11 and 12. Clinical and tomographic evaluations revealed severe horizontal bone resorption in the edentulous region, making the direct placement of implants unfeasible. The therapeutic approach included a reconstructive surgery using the
"tenting" technique, with the placement of titanium screws to stabilize and delineate the bone graft. For regeneration, the xenograft Bio-Oss® and the collagen membrane Bio-Gide® were used as a tissue barrier. After the careful adaptation of the materials, the
mucoperiosteal flap was repositioned and sutured, ensuring primary closure. Clinical results demonstrated that the technique was effective in reconstructing the horizontal bone defect, creating favorable conditions for the future placement of dental implants and prosthetic rehabilitation. This case highlights the predictability and benefits of modern regenerative techniques in managing complex bone defects, contributing to the patient's aesthetic and functional restoration.