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Biphasic, triphasic and multiphasic calcium orthophosphates
1sedorozhkin@yandex.ru
Acta Biomaterialia
|September 28, 2011
Summary
Biphasic, triphasic, and multiphasic calcium orthophosphates are versatile biomaterials for bone defect repair. These bioceramics offer controlled resorption, promoting new bone formation and showing potential in tissue engineering and drug delivery.
Area of Science:
- Biomaterials Science
- Bioceramics
- Tissue Engineering
Background:
- Calcium orthophosphates, including biphasic, triphasic, and multiphasic formulations, are investigated for bone defect reconstruction.
- These materials balance stable (e.g., hydroxyapatite) and resorbable (e.g., tricalcium orthophosphate) phases for tailored resorption rates.
- Their gradual dissolution releases ions, stimulating new bone formation and demonstrating biocompatibility and osteoconductivity.
Purpose of the Study:
- To review the current understanding and applications of biphasic, triphasic, and multiphasic calcium orthophosphates as biomaterials.
- To highlight their potential in maxillofacial, dental, and orthopedic reconstruction.
- To explore their emerging roles in tissue engineering scaffolds and drug delivery systems.
Main Methods:
- Literature review of existing studies on calcium orthophosphate formulations.
- Analysis of in vitro, in vivo, and clinical data regarding biocompatibility, osteoconductivity, and osteoinductivity.
- Evaluation of their application in bone regeneration and tissue engineering.
Main Results:
- Calcium orthophosphate bioceramics exhibit proven biocompatibility, osteoconductivity, and safety.
- These materials are gradually resorbed in vivo, releasing ions that support new bone formation.
- Emerging evidence suggests osteoinductive properties for some formulations, enhancing their therapeutic potential.
Conclusions:
- Biphasic, triphasic, and multiphasic calcium orthophosphates are promising biomaterials for bone regeneration and reconstruction.
- Their tunable properties make them suitable for advanced applications like cell-laden scaffolds and drug delivery.
- Further research into new formulations could expand their clinical utility.
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