Comparison of Hydroxyapatite and Alumina Grits Blasted Ti Surface for In-Vitro Cell Adhesion and Proliferation
- Comparison of Hydroxyapatite and Alumina Grits Blasted Ti Surface for In-Vitro Cell Adhesion and Proliferation
- 김석영; 인두바지파이; 이흐완히다얏; 송인환; 이준희[이준희]
- TITANIUM; IMPLANTS; STEM
- Issue Date
- AMER SCIENTIFIC PUBLISHERS
- JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING, v.5, no.5, pp.403 - 410
- In recent, the use of the sandblasted with large grit and acid-etched treated dental implants with alumina (Al2O3) grits is getting popular instead of the use of resorbable blasting media treated implants with hydroxyapatite (Ca-10(PO4)(6)(OH)(2)) due to the cost reason and the similar cell behaviors, although the residues of alumina grit might hamper the osteointegration. This study compared the adhesion and proliferation of human mesenchymal stem cells on Ti disc surface modified by two popular grit materials. Hydroxyapatite and alumina grits were used as a blasting materials, and HNO3 and H3PO4 acids were used as an etching agents to remove the residues of the blasting grits from the surface of Ti. For the comparison of cytocompatibility on the above both type of samples, the human nnesenchymal stem cells were incubated for 2 hours, 1 day, and 1 week. The Ti samples treated with hydroxyapatite grits showed slightly better cell adhesion and proliferation than that Al2O3 grits.
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