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Histomorphometric analyses of area fraction of different ratios of Bio-Oss((R)) and bone prior to grafting procedures - An in vitro study to demonstrate a baseline

Artikel i vetenskaplig tidskrift
Författare H. Aludden
Anna Dahlin
T. Starch-Jensen
Christer Dahlin
A. Mordenfeld
Publicerad i Clinical Oral Implants Research
Volym 29
Nummer/häfte 2
Sidor 185-191
ISSN 0905-7161
Publiceringsår 2018
Publicerad vid Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap
Sidor 185-191
Språk en
Länkar doi.org/10.1111/clr.13079
Ämnesord alveolar ridge augmentation, bone substitute, dental implants, histology, sinus floor augmentation, anorganic bovine bone, sinus floor augmentation, horizontal ridge, augmentation, particulated autogenous bone, prospective case series, mineral bio-oss, implant placement, deproteinized bovine, clinical-trial, histologic evaluation, Dentistry, Oral Surgery & Medicine, Engineering
Ämneskategorier Biomaterial

Sammanfattning

ObjectiveThe objective of this study was to estimate the area fraction of different ratios of Bio-Oss((R)) and bone, prior to grafting in an in vitro model to demonstrate a histomorphometric baseline. MethodsBio-Oss((R)) particles were mixed with autogenous bone from pig jaw in three different ratios (50:50, 80:20 and 100:0) and packed in rice paper in a standardized procedure. Histomorphometric analyses were performed in 25 specimens and 74 regions of interest. The area percentage of Bio-Oss((R)), bone, and non-mineralized tissue (NMT) were calculated. Results were reported as mean values and 95% confidence interval (CI). ResultsThe mean area fraction of Bio-Oss((R)) was 20.6% (CI: 18.2-23) in the 50:50 mixture, 33.6% (CI: 29.7-37.6) in the 80:20 mixture, and 43.4% (CI: 40.5-46.3) in the 100:0 mixture. The mean area fraction of NMT was 60.5% (CI: 57.9-63.1) in the 50:50 mixture, 59.6% (CI: 56.4-62.7) in the 80:20 mixture, and 56.6% (CI: 53.7-59.5) in the 100:0 mixture. The mean area fraction of bone was 18.9% (CI: 16.9-20.9) in the 50:50 mixture and 6.8% (CI: 5-8.6) in the 80:20 mixture. ConclusionThere is a great difference in the clinically estimated percentage and the histomorphometrically evaluated percentage of Bio-Oss((R)) at baseline, prior to grafting. The area fraction of different tissues presented in this study may be beneficial as guidance for histomorphometrical baseline calculations when different mixtures of Bio-Oss((R)) and autogenous bone are used as grafting materials.

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