Topographic Assessment of Calcified Material After Sinus Floor Augmentation
The International Journal of Oral & Maxillofacial Implants
|December 17, 2021
Summary
Mineralized human bone allograft effectively promotes bone healing for sinus augmentation, achieving adequate vertical bone height for dental implant placement. Topographic analysis is crucial for assessing outcomes.
Area of Science:
- Oral and Maxillofacial Surgery
- Regenerative Dentistry
- Biomaterials Science
Background:
- Sinus augmentation is a common procedure to increase bone volume in the posterior maxilla.
- Mineralized human bone allograft is frequently used, but its healing patterns require detailed examination.
Purpose of the Study:
- To topographically evaluate the healing process of mineralized human bone allograft within the sinus augmentation site.
- To assess bone, graft, and fibrous tissue distribution at different topographical sectors.
Main Methods:
- Thirty-two patients with limited bone height underwent sinus augmentation using a mineralized human bone allograft (80/20 cortical/cancellous).
- Bone core biopsies were analyzed using microradiography 6 months post-surgery.
- Sections were divided into five sectors for quantitative assessment of tissue components.
Main Results:
- Implants achieved osseointegration without complications.
- Graft material showed a peak percentage in the presinusal sector (sector 4).
- Bone regeneration was minimal between sectors 3 and 4, with a corresponding increase in fibrous tissue.
Conclusions:
- Mineralized human bone allograft supports sufficient bone regeneration for implant placement in sinus augmentations.
- Topographic analysis provides valuable insights into the healing dynamics of bone grafts in sinus augmentation.
