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Follow-Up of the Sinus Membrane Elevation Technique for Maxillary Sinus Implants without the Use of Graft Material
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery. (Oral & Maxillofacial Surgery)
2016 (English)In: Clinical Implant Dentistry and Related Research, ISSN 1523-0899, E-ISSN 1708-8208, Vol. 18, no 5, 895-905 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: There is a limited amount of studies evaluating long-term results of the sinus membrane elevation technique for bone formation around implants in the maxillary sinus floor without the use of bone graft material.

PURPOSE: To investigate the long-term results of this technique with regard to implant survival and bone gain in the maxillary sinus floor.

MATERIALS AND METHODS: A retrospective study was conducted on patients who had undergone the surgical procedure from November 2001 to August 2008. Thirty-six patients with a total of 87 implants (ASTRA TECH Implant System™) in 53 sinuses were examined. After a submerged healing period of 6 months and at least 12 months of loading, the patients were examined clinically and radiologically. Implant stability was measured using resonance frequency analysis (RFA).

RESULTS: The mean follow-up time was 4.6 years (range 1.5-7 years). Five implants were lost giving a survival rate of 94.3%.Subantral preoperative vertical bone levels were in the range of 1 to 10 mm. The average bone gain at the sinus floor was 6 mm. The 55 fixtures eligible for RFA displayed a mean implant stability quotient of 77 (range 56-85.5).

CONCLUSION: The present study illustrates the long-term reliability of the technique.

Place, publisher, year, edition, pages
2016. Vol. 18, no 5, 895-905 p.
Keyword [en]
blood; bone formation; maxillary sinus; membrane elevation; sinus lift; titanium implant
National Category
Dentistry Surgery
Identifiers
URN: urn:nbn:se:uu:diva-266480DOI: 10.1111/cid.12360ISI: 000386654800004PubMedID: 26482214OAI: oai:DiVA.org:uu-266480DiVA: diva2:868280
Available from: 2015-11-10 Created: 2015-11-10 Last updated: 2017-12-01Bibliographically approved

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Riben, ChristopherThor, Andreas

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