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Radiological findings of the post-sinus lift maxillary sinus: a computerized tomography follow-up
1The Chaim Sheba Medical Center, Department of Oral and Maxillofacial Surgery, Tel Hashomer, Israel.
Journal of Periodontology
|January 13, 2000
Summary
Computerized tomography (CT) scans show that maxillary sinus lift procedures are safe, with bone healing and no increased risk of sinusitis. Short-term follow-up indicates successful bone grafting and implant integration.
Area of Science:
- Dentistry
- Oral Surgery
- Radiology
Background:
- Maxillary sinus lift procedures are common for dental implant placement.
- Assessing bone regeneration and sinus health post-procedure is crucial.
Purpose of the Study:
- To evaluate radiological findings of short-term (8-10 months) computerized tomography (CT) follow-up in one-stage maxillary sinus lift cases.
- To assess bone formation, implant integration, sinus membrane condition, and pathology after sinus lifts.
Main Methods:
- Comparison of pre- and postoperative dental CT scans in 21 patients (24 sinuses).
- Evaluation of newly formed bone, implant interface, sinus membrane, buccal window cortication, and sinus pathology.
Main Results:
- 57 implants showed varying degrees of bone coverage; no implant failures after 3 years.
- Buccal window cortication observed in 10 sinuses; bone consolidation in others.
- All sinuses healed without sinusitis complications; membrane thickness improved postoperatively.
Conclusions:
- Maxillary sinus lift procedures are safe and do not increase sinusitis risk.
- Bone cortication may indicate graft remodeling status.
- Radiological assessment confirms successful bone healing and graft integration.