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Wildburger, A; Payer, M; Jakse, N; Strunk, D; Etchard-Liechtenstein, N; Sauerbier, S.
Impact of autogenous concentrated bone marrow aspirate on bone regeneration after sinus floor augmentation with a bovine bone substitute - a split-mouth pilot study.
Clin Oral Implants Res. 2014; 25(10):1175-1181
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Autor/innen der Med Uni Graz:
Jakse Norbert
Payer Michael
Wildburger Angelika
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Abstract:
Mesenchymal stem cells (MSC) with biomaterials have osteoinductive potential. The aim of this study was to evaluate early bone formation in xenogenic sinus grafts in a direct comparison with and without MSCs after 3 and 6 months. Literature on bone formation in pure xenogenic graft materials after 3 months in a human model is still lacking. In a split-mouth design, seven patients with a bilateral highly atrophic posterior maxilla were included. The test side was grafted with MSCs from concentrated bone marrow aspirate admixed to the bone graft material. On the control side, pure bovine bone material was applied. Biopsies were taken navigated after 3 and 6 months. After 3 months, new bone formation in the control group was 11.8% (SD 6.2%) and in the test group 7.4% (SD 4.1%). After 6 months, the control group showed 13.9% (SD 8.5%) of new bone and the test group 13.5% NB (SD 5.4%). The fraction of bovine bone material after 3 months was 42.6% (SD 3.5%) in the test group and 34.9% (SD 11.8%) in the control group. After 6 months, the biomaterial content was comparable at both sides (test 36.2%, SD 7.8%; control 39.5%, SD 9.3%). There was no significant difference in new bone formation between the test and control group with n = 7. The results may be dominated by the high mineral content of the biomaterial but could nevertheless be valuable for meta-analysis in the future. © 2013 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

Find related publications in this database (Keywords)
bone regeneration
bone substitutes
clinical research
clinical trials
guided tissue regeneration
sinus floor elevation
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