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A clinical histologic study of bovine hydroxyapatite in combination with autogenous bone and fibrin glue for maxillary sinus floor augmentation. Results after 6 to 8 months of healing.
Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Surgery.
Umeå University, Faculty of Medicine, Odontology. Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Surgery.
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2001 (English)In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 12, no 2, 135-143 p.Article in journal (Refereed) Published
Abstract [en]

Biopsies were taken from 16 out of 20 consecutive referral patients 6 to 8 months after maxillary sinus floor augmentation with a mixture of bovine hydroxyapatite (BH), autogenous bone particles and fibrin glue. Four days prior to biopsy retrieval the patients were given a single dose of tetracycline to label bone forming sites. Fluorescence microscopy of 100 microm thick sections revealed active bone formation in conjunction with the BH particles in 14 of 15 specimens analysed. Light microscopy and morphometry of ground sections from 16 patients showed various amounts of mineralised bone tissue in all except one specimen. In the latter case, the BH particles were encapsulated by a dense fibrous connective tissue. Sections from the augmented areas were occupied by non-mineralized tissue (54.1+12.6%), lamellar bone (21.2+24.5%), BH particles (14.5+10.3%) and woven bone (10.2+13.4%). The non-mineralized tissue seen in bone forming areas consisted of a loose connective tissue, rich of vessels and cells, and in the periphery of a more dense fibrous connective tissue. Woven bone with large and scattered osteocyte lacunae was bridging between the BH particles and the lamellar trabecular bone. There were no signs of resorption of the BH particles. The lamellar bone appeared to have originated from the recipient site and was seldom in contact with the BH particles. It is concluded that the tested implant material has bone conducting properties. The bone associated with the BH particles after 6 to 8 months of healing was mainly woven.

Place, publisher, year, edition, pages
2001. Vol. 12, no 2, 135-143 p.
Keyword [en]
clinical study • histology • bovine hydroxyapatite • autogenous bone graft • fibrin glue • maxillary sinus floor augmentation
National Category
Dentistry
Identifiers
URN: urn:nbn:se:umu:diva-33147DOI: 10.1034/j.1600-0501.2001.012002135.xPubMedID: 11251663OAI: oai:DiVA.org:umu-33147DiVA: diva2:310204
Available from: 2010-04-13 Created: 2010-04-13 Last updated: 2017-12-12Bibliographically approved

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