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Histologic evaluation of Branemark clinic oral implants retrieved from grafted sites

Artikel i vetenskaplig tidskrift
Författare Pia Bolind
Carina B. Johansson
Petra Hammarström Johansson
D. van Steenberghe
Tomas Albrektsson
Publicerad i Clinical implant dentistry and related research
Volym 8
Nummer/häfte 1
Sidor 44-53
ISSN 1523-0899 (Print)
Publiceringsår 2006
Publicerad vid Institutionen för kliniska vetenskaper
Sidor 44-53
Språk en
Länkar www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord *Bone Transplantation, Dental Implantation, Endosseous/*methods, Dental Implants/*adverse effects, *Dental Restoration Failure, Female, Humans, Male, Middle Aged, Weight-Bearing
Ämneskategorier Biomaterial

Sammanfattning

PURPOSE: The aim of this report is to quantitatively and qualitatively describe the bone tissue response to Branemark implants retrieved from grafted sites in patients. MATERIALS AND METHOD: The material consists of consecutively received Branemark implants retrieved from grafted sites. Thirty-five of these implants, retrieved from 16 patients, were suitable for the histologic evaluation of undecalcified sections in the light microscope. RESULTS: The unloaded implants were mainly lined with soft tissue, and sparse bone-implant contact was observed only in some sections. The loaded implants, with the exception of one implant removed due to mobility, had mature and new bone-implant contact. Resorption of graft through cutting cone structures was detected. Cement lines were found separating bone-like tissue albeit no cellular content and bone tissue with detectable osteocytes. CONCLUSION: In this heterogeneous group of implants from grafted sites, the unloaded implants showed limited bone-implant contact. The autografts showed seemingly mixed viability as judged by the cell content in the osteocyte lacunae and cement lines separating areas with filled and empty lacunae.

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