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Updated: May 3, 2026
Calvarial Model of Bone Augmentation in Rabbit for Assessment of Bone Growth and Neovascularization in Bone Substitution Materials
Published on: August 13, 2019
Comparative histomorphometric analysis of maxillary sinus augmentation with absorbable collagen membrane and
Yong-Suk Moon1, Dong-Seok Sohn, Jee-Won Moon
1*Professor, Department of Anatomy, School of Medicine, Catholic University of Daegu, Daegu, Republic of Korea. †Professor, Department of Dentistry and Oral and Maxillofacial Surgery, Catholic University Hospital of Daegu, Daegu, Republic of Korea. ‡Assistant Professor, Department of Dentistry and Oral and Maxillofacial Surgery, Catholic University Hospital of Daegu, Daegu, Republic of Korea. §Clinical Instructor, Department of Dentistry and Oral and Maxillofacial Surgery, Catholic University Hospital of Daegu, Daegu, Republic of Korea.
Replaceable bony windows significantly accelerated bone regeneration in rabbit maxillary sinuses compared to collagen membranes. This bone grafting technique enhances new bone formation for sinus augmentation.
Area of Science:
- Oral and Maxillofacial Surgery
- Regenerative Medicine
- Biomaterials Science
Background:
- Maxillary sinus augmentation is crucial for dental implant placement.
- Bone graft materials and barrier membranes are commonly used.
- Optimizing bone regeneration in sinuses remains a key challenge.
Purpose of the Study:
- To evaluate bone regeneration in rabbit maxillary sinuses.
- To compare absorbable collagen membranes with osteoinductive bony windows over bone grafts.
- To assess the efficacy of bony windows in enhancing sinus augmentation.
Main Methods:
- Bilateral sinus augmentation in 16 rabbits using beta-tricalcium phosphate (β-TCP) bone graft.
- Four groups: control (collagen membrane) and experimental (replaceable bony windows).
- Histomorphometric and light microscopy evaluation at 1, 2, 4, and 8 weeks.
Main Results:
- Significantly higher and faster new bone formation in experimental groups with bony windows.
- Enhanced bone regeneration observed compared to the control group with collagen membranes.
- Histological analysis confirmed superior osteointegration with bony windows.
Conclusions:
- Homologous replaceable bony windows accelerate bone regeneration in maxillary sinus augmentation.
- This technique shows promise for improving outcomes in bone grafting procedures.
- Bony windows represent a potentially superior alternative to collagen membranes for sinus lifts.
