Clinical Application of G21 Polyamide Membrane in Guided Bone Regeneration in the Pre-Dental Implant Region: Case Report

Introduction: Guided Bone Regeneration (GBR) is a technique that uses membranes as physical barriers to promote new bone formation in defect areas, preventing soft tissue invasion. The G21 dental regenerative membrane, composed of non-resorbable polyamide, presents promising characteristics, such as biocompatibility, impermeability, and structural stability. Objective: to evaluate the clinical efficacy of the G21 membrane in alveolar preservation after extraction for dental implant placement. Method: this is a prospective clinical case report involving a 43-year-old male patient who underwent extraction of the upper right first molar with extensive periradicular lesion. The G21 membrane was installed immediately after extraction and removed after 15 days. Clinical and radiographic follow-up was performed in three phases: preoperative, immediate postoperative (15 days), and late postoperative (80 days), focusing on bone formation and viability for dental implant placement. Results: the G21 membrane demonstrated excellent clinical integration, with no signs of inflammation or rejection. Granulation tissue formation was evident at 15 days, and new bone formation was confirmed by imaging after 80 days. Clinical application proved straightforward, without the need for further surgery to remove the membrane. Conclusion: the G21 polyamide membrane demonstrated satisfactory results in guided bone regeneration, demonstrating a viable, safe, and effective alternative for clinical use in alveolar preservation without the use of grafts.