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

Clinical Implant Dentistry and Related Research - Tập 18 Số 3 - Trang 609-617 - 2016
Rabah Nedir1, Nathalie Nurdin1, Lydia Vazquez2, Semaan Abi Najm3,4, Mark Bischof5
1Swiss Dental Clinics Group, Ardentis Clinique Dentaire, Vevey, Switzerland
2Department of Orofacial Rehabilitation, Oral and Maxillofacial Radiology, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
3Department of Oral and Maxillofacial Surgery, Oral Surgery and Implantology Unit, Geneva University Hospitals, Geneva, Switzerland
4Swiss Dental Clinics Group, Ardentis Clinique Dentaire, Geneva, Switzerland
5Swiss Dental Clinics Group, Ardentis Clinique Dentaire, Lausanne, Switzerland

Tóm tắt

AbstractBackgroundLittle is known about the long‐term outcome of implants placed in the atrophic maxilla using osteotome sinus floor elevation (OSFE) without grafting.PurposeThe 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.Materials and MethodsTwenty‐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.ResultsFifteen 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.ConclusionsAt 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.

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Clinical Implant Dentistry and Related Research

Tập 18 Số 3

609-617

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