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Osteotome sinus floor elevation without grafting material: a 1-year prospective pilot study with ITI implants
Rabah Nedir1, Mark Bischof, Lydia Vazquez
1Swiss Dental Clinics Group, CdR Clinique de Soins Dentaires, Vevey, Switzerland. rabah.nedir@swissdentalclinics.ch
Clinical Oral Implants Research
|November 10, 2006
Summary
Osteotome sinus floor elevation without bone grafting material successfully increased bone height. This predictable procedure with ITI-SLA implants resulted in stable implants and bone formation within 3 months.
Area of Science:
- Dental Implantology
- Oral Surgery
- Regenerative Medicine
Background:
- Sinus floor elevation is crucial for maxillary implant placement.
- Bone grafting materials are traditionally used to augment bone height.
- Minimally invasive techniques are sought to simplify procedures.
Purpose of the Study:
- To assess the predictability of osteotome sinus floor elevation using ITI-SLA implants without bone grafting material.
- To evaluate bone height gain achieved solely by elevating the sinus membrane.
Main Methods:
- A pilot study involving 17 patients and 25 ITI-SLA implants.
- Implants were placed using the osteotome technique, with varying residual bone heights.
- A 3-4 month healing period preceded abutment placement and evaluation at 1 year.
Main Results:
- 96% of implants withstood 35 Ncm torque at abutment tightening.
- All implants were clinically stable at 1-year follow-up.
- Significant endo-sinus bone gain (mean 2.5 mm) was observed, with a strong negative correlation to initial residual bone height.
Conclusions:
- Sinus membrane elevation alone can promote bone formation beyond original limits.
- A 3-month healing period is sufficient for predictable implant function even with limited initial bone height.
- This technique offers a predictable alternative to bone grafting in sinus floor elevation.