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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
Aalborg Univ Hosp, Dept Oral & Maxillofacial Surg, Aalborg, Denmark..
Univ Gothenburg, BIOMATCELL VINN Excellence Ctr, Inst Surg Sci, Dept Biomat,Sahlgrenska Acad, Gothenburg, Sweden..
Aalborg Univ Hosp, Dept Oral & Maxillofacial Surg, Aalborg, Denmark..
Univ Gothenburg, BIOMATCELL VINN Excellence Ctr, Inst Surg Sci, Dept Biomat,Sahlgrenska Acad, Gothenburg, Sweden.;NU Hosp Org, Dept Oral & Maxillofacial Surg, Trollhattan, Sweden..
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2018 (English)In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 29, no 2, p. 185-191Article in journal (Refereed) Published
Abstract [en]

Objective: The 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.

Methods: Bio-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).

Results: The 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.

Conclusion: There 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.

Place, publisher, year, edition, pages
WILEY , 2018. Vol. 29, no 2, p. 185-191
Keywords [en]
alveolar ridge augmentation, bone substitute, dental implants, histology, sinus floor augmentation
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-345717DOI: 10.1111/clr.13079ISI: 000424162300005PubMedID: 29080268OAI: oai:DiVA.org:uu-345717DiVA, id: diva2:1190737
Available from: 2018-03-15 Created: 2018-03-15 Last updated: 2018-03-15Bibliographically approved

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Mordenfeld, Arne

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Centre for Research and Development, GävleborgOral and Maxillofacial Surgery
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