Histometric analysis of alveolar bone regeneration with expanded polytetrafluoroethylene (e-PTFE) and latex membranes

• Autor(a) principal: Molina, Gustavo Otoboni
• Data de Publicação: 2015
• Outros Autores: Oliveira, Marcelo Tomás de, Buss, Leonardo, Peruchi, João Davi Faraco, Pereira, Jefferson Ricardo, Ghizoni, Janaina Salomon
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Brazilian journal of oral sciences (Online)
• Texto Completo: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641025
• topic: Bone regeneration; Membranes; Oral surgery; Tooth extraction; Odontologia

Aim: To investigate the amount of connective tissue migrated into the extraction socket using EPTFE and latex membranes. Methods: Seventeen rats were selected and randomly divided into 3 groups: e-PTFE membrane (n = 6), Latex membrane (n = 6) and Control (no membrane, n=5). After extraction of the maxillary right incisor, the animals of the test groups were subjected to alveolar guided bone regeneration (GBR) surgery and received an expanded polytetrafluoroethylene (e-PTFE) and a latex membrane, respectively. Thirty days after surgery, the animals were killed and histometric analysis was done to evaluate the migration of connective tissue. Data were analyzed statistically by one-way ANOVA and multiple-comparison Tukey’s test at 5% significance level. Results: There was statistically significant difference between groups ePTFE and Latex (p=0.001), and between groups e-PTFE and Control (p=0.012), but no significant difference was found between groups Latex and Control (p=0.416). Conclusions: The ePTFE membrane showed better results and appeared more adequate for GBR therapy, forming a barrier to prevent the migration of connective tissue into the extraction socket. The latex membrane, on the other hand, did not show benefits over the control group.