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Marginal and apical bone stability after staged sinus floor augmentation using bone condensing implants with
F Younes1, A Eghbali1, S De Troyer2
1Department of Periodontology and Oral Implantology, Vrije Universiteit Brussel (VUB), Brussels, Belgium.
Summary
Sinus lifts using bovine-derived xenografts show limited short-term bone resorption. Bone condensing implants achieve high survival rates and good bone adaptation after a short healing period following sinus augmentation.
Area of Science:
- Oral and Maxillofacial Surgery
- Periodontology
- Dental Implantology
Background:
- Vertical bone stability after sinus lifting varies significantly in studies.
- Extended healing durations are typically recommended before dental implant placement.
Purpose of the Study:
- To assess bone height changes following sinus lifting with a bovine-derived xenograft.
- To evaluate the clinical success of bone condensing implants placed after a short healing period.
Main Methods:
- A case series re-examined 57 patients (2010-2013) using peri-apical radiographs.
- Evaluated augmented bone height (BH) and marginal bone loss (BL) after a mean 4.6-month healing period.
- Assessed implant survival and bone adaptation over a mean 19-month function period.
Main Results:
- Mean bone height increased from 3.87mm to 13.75mm at implant placement (P<0.001).
- Final mean bone height was 13.11mm, with mean marginal bone loss of 0.51mm.
- Implant survival rate was 99%.
Conclusions:
- Short-term bone resorption after sinus lifting with bovine xenografts is minimal.
- Bone condensing implants are viable for early placement, demonstrating successful outcomes in implant survival and bone integration.
Keywords:
bone resorptionimplant survivalmaxillary ridge augmentationmaxillary sinus augmentationsinus lifttapered implantsxenografts
