Osteotome Sinus Floor Elevation without Grafting: A 10-Year Prospective Study

Clinical Implant Dentistry and Related Research
Rabah NedirMark Bischof

Abstract

Little is known about the long-term outcome of implants placed in the atrophic maxilla using osteotome sinus floor elevation (OSFE) without grafting. The study aims to evaluate the long-term efficiency of the procedure and stability of the peri-implant bone formed following implant placement without grafting into resorbed posterior maxilla. Twenty-five implants (≤10 mm in length) were placed in 17 patients using OSFE without grafting. The mean residual bone height was 5.4 ± 2.3 mm. Bone levels were evaluated at 1, 3, 5, and 10 years using periapical radiographs. Fifteen patients (23 implants) participated in the 10-year examination. All implants fulfilled the survival criteria. Following surgery, the implant sites gained endo-sinus bone (mean: 3.0 ± 1.4 mm). The mean crestal bone loss (CBL) was limited to 1.0 ± 0.9 mm. The difference in mean endo-sinus bone gain and CBL was statistically significant between 1 and 10 years, but not between 3 and 5, 3 and 10, and 5 and 10 years. At 10 years, the implant survival rate was 100%. Endo-sinus bone was mainly gained during the first year. This study demonstrates the long-term predictability of OSFE without grafting and simultaneous implant placement.

References

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Citations

Sep 24, 2015·Clinical Oral Implants Research·Hans MalmstromGeorgios E Romanos
Oct 30, 2016·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Michael S Block
Sep 14, 2016·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Shaimaa NasrKarim M Fawzy El-Sayed
Sep 25, 2017·Clinical Implant Dentistry and Related Research·Fernando VerdugoAntonio D'addona
Oct 12, 2018·Clinical Oral Implants Research·Ron DoornewaardHugo De Bruyn
Jan 16, 2019·Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research·Hang-Ying JinBao-Dong Zhao
Mar 19, 2020·International Journal of Environmental Research and Public Health·Adrián Maximiano MillánAna Fernández-Palacín
Nov 20, 2016·Clinical Implant Dentistry and Related Research·Ron DoornewaardWolfgang Jacquet
Feb 9, 2017·Journal of Periodontology·Deng-Hui DuanHom-Lay Wang
Oct 7, 2020·International Journal of Environmental Research and Public Health·Giovanni Battista Menchini-FabrisRoberto Crespi
Jan 31, 2021·International Journal of Environmental Research and Public Health·Rodrigo Andrés-GarcíaBlanca Ríos-Carrasco

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