Histologic and Ultrastructural Analysis of Regenerated Bone in Maxillary Sinus Augmentation Using a Porcine Bone–Derived Biomaterial
作者： Giovanna Orsini , Antonio Scarano , Maurizio Piattelli , Marcello Piccirilli , Sergio Caputi
关键词: Histology 、 Maxillary sinus 、 Acute Inflammatory Infiltrate 、 Ultrastructure 、 Biomaterial 、 Chemistry 、 Bone regeneration 、 Osteoid 、 Matrix (biology) 、 Pathology
摘要: Background: The purpose of the present study was histologic and ultrastructural evaluation a biomaterial composed cortical pig bone in form granules.Methods: After maxillary sinus augmentation using this biomaterial, 10 specimens were retrieved after 5 months patients biomaterial. processed to be observed under light microscopy (LM) transmission electron (TEM). Histomorphometric measurements presented by means ± standard deviations.Results: LM showed that most particles surrounded newly formed bone. In some areas, osteoid matrix present; however, mainly compact at interface. There no evidence an acute inflammatory infiltrate. 36% 2.8% marrow spaces 38% 1.6%, whereas residual grafted material 31% 1.6%. Under TEM, all phases formation (osteoid matrix, woven, lamellar bone) proximity with particles...
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