Comparative Analysis of PTFE and Amniotic Tissue Membranes for Alveolar Ridge Preservation After Tooth Extraction

Dr. Karmandeep Singh, Dr. Jasmanjot Kaur, Dr. Harpreet Kaur

Abstract: This study compares the efficacy of PTFE and amniotic tissue membranes in preserving the alveolar ridge following tooth extraction, with the aim of minimizing additional surgeries and enhancing patient outcomes. A randomized trial involving 28 patients assessed ridge preservation using freeze-dried bone allografts covered by either PTFE or amniotic membranes. CBCT scans conducted four months post-operatively revealed bone loss in both groups, with PTFE showing slightly better preservation at the crest. The vertical bone changes were negligible. While both materials demonstrated effectiveness, the study highlights the necessity of unbiased comparative research to support clinical decision-making and recommends further studies incorporating site-specific analysis and patient feedback. Aim: To compare the effectiveness of PTFE and amniotic tissue membranes in preserving the alveolar ridge after tooth extraction, focusing on reducing additional surgeries and improving patient outcomes. Materials and Methods: This randomized trial included patients needing tooth extraction and potential dental implants. Patients were randomly assigned to two groups: one using an amniotic membrane and allograft, the other using a Cytoplast membrane and allograft. Post-extraction, sockets were filled with freeze-dried bone allograft and covered with the respective membranes. Follow-up visits and CBCT scans were conducted for analysis. Results: CBCT scans four months post-treatment showed significant bone loss in both groups. The dPTFE group had a crestal loss of 5.60 mm, 4.05 mm at 2 mm, and 1.80 mm at 4 mm. The amniotic tissue membrane group had a crestal loss of 9.53 mm, 5.69 mm at 2 mm, and 1.20 mm at 4 mm. Significant difference at the crest, with Cytoplast showing 7.05 mm loss and Neomem-Xac showing 8.95 mm loss. Vertical changes were minimal and not significantly different. Conclusion: This study aims to directly compare PTFE and amniotic tissue membranes for their effectiveness in maintaining alveolar ridge dimensions post-extraction Both PTFE and amniotic tissue membranes were effective in alveolar ridge preservation. The only significant difference was at the crest. The study emphasizes the need for unbiased, direct comparisons of dental materials to guide clinicians in making informed decisions. Future research should include position-specific evaluations and patient feedback.

Keywords: alveolar ridge preservation, PTFE membrane, amniotic tissue membrane, bone graft, dental implant surgery