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3D Planning and Printing of Patient Specific Implants for Reconstruction of Bony Defects
Published on: August 4, 2020
Reconstruction of 10 major mandibular defects using bioimplants containing BMP-7
Cameron M L Clokie1, George K B Sándor
1Faculty of Dentistry, University of Toronto, 124 Edward St., Toronto, ON M5G 1G6.
Journal (Canadian Dental Association)
|February 27, 2008
Summary
This study shows that bioimplants with bone morphogenetic protein-7 (BMP-7) effectively reconstruct major mandibular defects. This bone substitute offers a successful alternative to traditional bone grafting methods.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomaterials Science
- Regenerative Medicine
Background:
- Autogenous bone grafting for mandibular reconstruction presents significant limitations and morbidity.
- The need for predictable bone substitutes and bioimplants is critical for effective reconstruction.
- Novel biomaterials are being developed to overcome the challenges of traditional grafting techniques.
Purpose of the Study:
- To evaluate a novel bioimplant for reconstructing major mandibular defects.
- To assess the efficacy of bone morphogenetic protein-7 (BMP-7) in a demineralized bone matrix (DBM) scaffold.
- To determine the functional and esthetic outcomes of this new reconstruction method.
Main Methods:
- A case series involving 10 patients with major mandibular defects.
- Defects were stabilized using rigid reconstruction plates.
- Bioimplants containing BMP-7 in DBM suspended in a reverse-phase medium were used for defect filling.
Main Results:
- All 10 patients experienced an uneventful postoperative course.
- Radiographic evidence confirmed mandibular bone formation in all cases.
- Complete functional and esthetic mandibular reconstruction was achieved by 1 year.
Conclusions:
- Bioimplants utilizing BMP-7 in DBM are successful in restoring major mandibular defects.
- This method is effective in non-irradiated surgical beds.
- The novel bioimplant offers a promising alternative for mandibular reconstruction.
