Ojectives: To evaluate maintaining the alveolar height post- teeth extraction with nano-hydroxyapatite bone graft and Poly-Lactide-co-Glycolide (PLG) polymer (Fisiograft)
Patients and Methods: Randomized, controlled, clinical study was done on 20 patients divided into 2 equal groups. In Group I (study), fisiograft nano hydroxyapatite reinforced was applied in extracted socket then absorbable collagen membrane was adapted over graft and sutured while in Group II (control), the socket was closed without any graft materials for alveolar ridge preservation after tooth extraction, CBCT was done to evaluate; bone density, alveolar bone width and height at the site of extraction and bone graft addition. Alveolar bone height and width in addition to bone density was assessed immediately & and 6 months post operatively .
Results: In the NHA & PLG showed less decrease in buccal and lingual height & width & increase in bottom of socket. It was found that the NHA & PLG group had an increase in bone density measurements.
Conclusion:
Appling of reinforced nano-hydroxyapatite bone graft and Poly-Lactide-co-Glycolide (PLG) polymer (Fisiograft) to the alveolar socket showed least resorption in buccal and lingual heights as well as socket width & increase bone density, so it decreased bone resorptionafter 6M from grafting.