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Biological Compatibility Profile on Biomaterials for Bone Regeneration
Published on: November 16, 2018
A new biphasic osteoinductive calcium composite material with a negative Zeta potential for bone augmentation
Ralf Smeets1, Andreas Kolk, Marcus Gerressen
1Department of Oral and Maxillofacial Surgery, University Hospital Aachen, Aachen, Germany. rasmeets@ukaachen.de
Head & Face Medicine
|June 16, 2009
Summary
This study shows biphasic calcium composite (BCC) material with a negative surface charge promotes bone regeneration and dental implant osseointegration in maxillary sinus floor augmentation.
Area of Science:
- Biomaterials Science
- Oral and Maxillofacial Surgery
- Regenerative Medicine
Background:
- Maxillary sinus floor augmentation is crucial for dental implant placement in atrophic maxillae.
- Biphasic calcium composite (BCC) materials are investigated for bone regeneration potential.
- Surface charge properties may influence osteogenesis and osseointegration.
Observation:
- A biphasic calcium composite (BCC) material with a negative surface charge was used for bilateral maxillary sinus floor augmentation in a patient.
- Bone biopsies were obtained 6 months post-procedure for histological analysis.
- Bone density was assessed using computed tomography, and osteoblast calcium currents were measured.
Findings:
- The BCC material was biocompatible, resorbed completely, and replaced by newly formed mineralized bone.
- The negative Zeta potential of the BCC material was associated with enhanced bone regeneration.
- Histology and CT scans confirmed successful bone neoformation and favorable bone density.
Implications:
- Biphasic calcium composite (BCC) materials with negative surface charges show promise for maxillary sinus augmentation.
- This material facilitates new bone formation and supports successful dental implant osseointegration.
- Further research into surface charge modification of biomaterials could optimize bone regeneration therapies.

