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International Journal of Periodontics & Restorative Dentistry
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Int J Periodontics Restorative Dent 37 (2017), No. 2     17. Feb. 2017
Int J Periodontics Restorative Dent 37 (2017), No. 2  (17.02.2017)

Page 282-290, doi:10.11607/prd.2731, PubMed:28196172


Alveolar Ridge Preservation with nc-HA and d-PTFE Membrane: A Clinical, Histologic, and Histomorphometric Study
Laurito, Domenica / Lollobrigida, Marco / Gianno, Francesca / Bosco, Sandro / Lamazza, Luca / De Biase, Alberto
Alveolar ridge preservation has become a very common procedure following tooth extraction. This study presents a clinical, histologic, and histomorphometric analysis of postextraction bone changes using nanocrystalline hydroxyapatite (nc-HA) and exposed high-density polytetrafluoroethylene (d-PTFE) membrane. A total of 10 extraction sockets were treated. Clinical measurements were taken after tooth extraction with a customized acrylic stent to ensure the same measurement points. At 6 months, clinical measurements were repeated and bone specimens taken. An overall bone reduction was observed. The histologic and histomorphometric analysis revealed newly formed bone (25.92% ± 18.78%), soft tissue (28.55% ± 9.73%), and residual graft particles (15.43% ± 11.08%). Further studies are necessary to evaluate the efficacy of this technique over the long term.