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Clinical outcome and factors determining new bone formation in lateral sinus membrane elevation with simultaneous implant placement without grafting material: a cross‐sectional, 3‐17 year follow‐up study
Umeå University, Faculty of Medicine, Department of Odontology.
Umeå University, Faculty of Medicine, Department of Odontology.
Umeå University, Faculty of Medicine, Department of Odontology. Studio Odontoiatrico Associato "Passaggio dei Poeti", Palermo, Italy.
Umeå University, Faculty of Medicine, Department of Odontology.
2019 (English)In: Clinical Implant Dentistry and Related Research, ISSN 1523-0899, E-ISSN 1708-8208, Vol. 21, no 5, p. 827-834Article in journal (Refereed) Published
Abstract [en]

Background: Lateral sinus membrane elevation with simultaneous implant placement without grafting material (graft‐less LSFE) is a widely investigated method for bone augmentation of the maxillary sinus floor. Long‐term follow‐up studies are rare.

Purpose: This study aimed to investigate the long‐term effects of implants placed with graft‐less LSFE.

Materials and methods: The study group was comprised of 111 patients previously treated with graft‐less LSFE. The first follow‐up visit, which occurred after a mean of 5 years after surgery, included a clinical examination, cone beam computerized tomography, and panorama or intraoral radiography. The second follow‐up included panorama or intraoral radiography, and it was conducted after a mean of 8 years.

Results: Overall, 218 implants were placed in 127 sinuses. Nine of the 218 implants failed resulting in an overall implant survival of 95.9%. The average bone gain at the follow‐up was 4.0 ±2.0 mm.

Conclusion: The implant‐supported rehabilitation achieved using graft‐less LSFE was stable over time, and there was no or little impact on sinus health. Furthermore, it was concluded that the new bone formation and the amount of bone gain is proportional to the length of the implant protruding into the sinus cavity.

Place, publisher, year, edition, pages
Hoboken: John Wiley & Sons, 2019. Vol. 21, no 5, p. 827-834
Keywords [en]
bone augmentation, dental implants, graft-less sinus floor elevation, lateral sinus floor elevation, maxillary sinus
National Category
Dentistry
Identifiers
URN: urn:nbn:se:umu:diva-157996DOI: 10.1111/cid.12758ISI: 000495744700003PubMedID: 30919557Scopus ID: 2-s2.0-85063494657OAI: oai:DiVA.org:umu-157996DiVA, id: diva2:1303281
Available from: 2019-04-09 Created: 2019-04-09 Last updated: 2020-01-03Bibliographically approved

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Lundgren, SofiaJohansson, AndersCricchio, GiovanniLundgren, Stefan

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