Oral implants placed in bone defects treated with Bio-Oss, Ostim-Paste or PerioGlas: an experimental study in the rabbit tibiae

Carmagnola, Daniela; Abati, Silvio; Celestino, Silvio; Chiapasco, Matteo; Bosshardt, Dieter; Lang, Niklaus P (2008). Oral implants placed in bone defects treated with Bio-Oss, Ostim-Paste or PerioGlas: an experimental study in the rabbit tibiae. Clinical oral implants research, 19(12), pp. 1246-53. Oxford: Wiley-Blackwell 10.1111/j.1600-0501.2008.01584.x

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OBJECTIVES: To compare the histological features of bone filled with Bio-Oss, Ostim-Paste or PerioGlas placed in defects in the rabbit tibiae by evaluating bone tissue composition and the integration of titanium implants placed in the grafted bone. MATERIAL AND METHODS: Two cylindrical bone defects, about 4 mm in diameter and 6 mm in depth, were created in the tibiae of 10 rabbits. The defects were filled with either Bio-Oss, PerioGlas, Ostim-Paste or left untreated, and covered with a collagen membrane. Six weeks later, one titanium sandblasted and acid-etched (SLA) implant was inserted at the centre of each previously created defect. The animals were sacrificed after 6 weeks of healing. RESULTS: Implants placed in bone previously grafted with Bio-Oss, PerioGlas or Ostim-Paste obtained a larger extent of osseointegration, although not statistically significant, than implants placed in non-grafted bone. The three grafting materials seemed to perform in a similar way concerning their contribution towards implant osseointegration. All grafting materials appeared to be osteoconductive, thus leading to the formation of bridges of mineralized bone extending from the cortical plate towards the implants surface through the graft scaffold. CONCLUSIONS: Grafting with the above-mentioned biomaterials did not add any advantage to the osseointegration of titanium SLA implants in a self-contained defect.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology
04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology

UniBE Contributor:

Bosshardt, Dieter and Lang, Niklaus Peter

ISSN:

0905-7161

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

04 Oct 2013 15:02

Last Modified:

25 Jan 2017 12:16

Publisher DOI:

10.1111/j.1600-0501.2008.01584.x

PubMed ID:

19040439

Web of Science ID:

000260730300007

URI:

https://boris.unibe.ch/id/eprint/26764 (FactScience: 87948)

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