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Vertical Bone Gain Post-Sinus Lifting and Simultaneous Implant Placement With Osseodensification: A Retrospective
Cássio Cardona Orth1,2, Robert Carvalho da Silva3, Guilherme Paes de Barros Carrilho3
1Periodontology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
Clinical Implant Dentistry and Related Research
|March 25, 2025
Summary
Osseodensification effectively increased bone height for sinus floor elevation, enabling simultaneous implant placement. This technique achieved clinically significant bone height gain, even in cases with minimal initial bone height.
Area of Science:
- Dental Implantology
- Oral Surgery
- Regenerative Medicine
Background:
- Insufficient residual bone height in the posterior maxilla often necessitates bone augmentation for dental implant placement.
- Sinus floor elevation (SFE) is a common procedure to increase bone volume in the maxillary sinus.
- Osseodensification (OD) is a novel technique that utilizes specialized drills to achieve bone condensation and expansion.
Purpose of the Study:
- To evaluate the bone height gain (BHG) following sinus floor elevation (SFE) using osseodensification (OD) with simultaneous implant placement.
- To assess the effectiveness and complication rates of OD in SFE procedures.
- To determine factors influencing BHG in OD-assisted SFE.
Main Methods:
- A cohort of patients with missing posterior maxillary teeth and insufficient residual bone height (RBH) underwent SFE with simultaneous implant placement using Densah drills.
- Various graft biomaterials were used, including demineralized bovine bone mineral, hydroxyapatite+β-TCP, calcium phosphosilicate, and autologous platelet-rich fibrin.
- Bone height gain was calculated by subtracting the initial bone height from the final implant length.
Main Results:
- A mean bone height gain of 3.4 mm was achieved, with significantly greater gains in cases with initial RBH < 5 mm (5.23 mm) compared to those with RBH ≥ 5 mm (2.62 mm).
- Sinus membrane perforation occurred in 4.8% of cases.
- The implant survival rate was 97% after 6 months of osseointegration, with no significant influence of implant brand or graft type on BHG.
Conclusions:
- Osseodensification with simultaneous implant placement is an effective technique for sinus floor elevation, yielding clinically relevant bone height gain.
- The procedure is associated with low complication rates and high implant survival rates.
- OD facilitates the use of various implant brands and bone substitutes, making it a versatile option for treating insufficient bone height.
