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Bone graft remodelling and implant success rate in the treatment of the severely resorbed maxilla: a 5-year longitudinal study.
Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Surgery.
Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Radiology.
Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Radiology.
2002 (English)In: International Journal of Oral and Maxillofacial Surgery, ISSN 0901-5027, E-ISSN 1399-0020, Vol. 31, no 2, 158-164 p.Article in journal (Refereed) Published
Abstract [en]

A total of 30 patients, 10 in a developmental group and 20 in a routine group, with extremely resorbed maxillae were treated with bone grafting from the hip and implant placement in a one-stage procedure. All patients were followed for a minimum of 5 years and were examined regarding the long-term success rate of the implants and marginal bone level. The implant success rate was 74.6% for the whole patient group and 85.8% for the routine group, after 5 years. The marginal bone along the implant surface decreased continuously, up to 3 years and thereafter the bone level stabilized. In the routine group, changes in bone graft dimensions over time were also evaluated by computerized tomography. The mean height of the bone graft postoperatively at all implant sites was 8.3 mm. The total mean bone height, including bone graft and residual alveolar crest, was 12.4 mm. After 5 years the total bone height had decreased to a mean of 10 mm. The mean width of the bone graft was 12 mm postoperatively and 8.7 mm at the 5-year examination. A substantial amount of bone can be gained in patients with extremely resorbed maxillae, when treated with bone graft according to the procedure described in this study.

Place, publisher, year, edition, pages
2002. Vol. 31, no 2, 158-164 p.
Keyword [en]
computerized tomography, aleolar resorption, endosseous implants, iliac bone graft, maxilla
Identifiers
URN: urn:nbn:se:umu:diva-30067DOI: 10.1054/ijom.2001.0197PubMedID: 12102413OAI: oai:DiVA.org:umu-30067DiVA: diva2:279264
Available from: 2009-12-02 Created: 2009-12-02 Last updated: 2017-12-12

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Nyström, ElisabethAhlqvist, JanLegrell, Per Erik
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