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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 12, No. 3, 2013, pp. 184-188
Bioline Code: os13037
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 12, No. 3, 2013, pp. 184-188

 en Histometric analysis of alveolar bone regeneration with expanded polytetrafluoroethylene (e-PTFE) and latex membranes
Molina, Gustavo Otoboni; de Oliveira, Marcelo Tomás; Buss, Leonardo; Peruchi, João Davi Faraco; Pereira, Jefferson Ricardo & Ghizoni, Janaina Salomon

Abstract


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 e- PTFE 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 e- PTFE 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.

Keywords
bone regeneration; membranes; oral surgery; tooth extraction

 
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