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Endoscopic evaluation of the bone-added osteotome sinus floor elevation procedure
M Berengo1, S Sivolella, Z Majzoub
1Department of Oral Surgery, University of Padova, Institute of Clinical Dentistry, via Giustintiani, 2, 35100 Padova, Italy.
International Journal of Oral and Maxillofacial Surgery
|March 31, 2004
Summary
The bone-added osteotome technique (BAOSFE) for sinus floor augmentation can lead to sinus membrane perforations. However, small perforations during BAOSFE are compatible with healthy postoperative sinus conditions.
Area of Science:
- Dentistry
- Oral Surgery
- Implantology
Background:
- Sinus floor augmentation is crucial for dental implant placement in the posterior maxilla.
- The bone-added osteotome technique (BAOSFE) is a common method for sinus augmentation when residual bone height is 4-6mm.
Purpose of the Study:
- To evaluate the intraoperative findings of the BAOSFE procedure combined with implant placement.
- To assess sinus membrane integrity, graft positioning, and potential displacement during BAOSFE.
Main Methods:
- Sixteen Osseotite implants were placed in eight patients using the BAOSFE technique.
- Endoscopic monitoring was used to evaluate graft positioning, membrane integrity, and distension patterns.
- Sinus membrane perforations and graft displacement were specifically noted.
Main Results:
- Two out of 16 implant sites experienced small sinus membrane perforations without significant graft displacement.
- Membrane distension patterns varied, with localized vertical patterns observed in perforated sites.
- No clinical signs of sinus pathology were observed in the perforated sites during follow-up.
Conclusions:
- The BAOSFE procedure with simultaneous implant placement results in diverse sinus membrane elevation patterns.
- Localized vertical membrane distension during BAOSFE may increase the risk of perforation.
- Small sinus membrane perforations during BAOSFE are not necessarily associated with adverse postoperative sinus health.