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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 117 - 123 (7page)
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초록· 키워드
오류제보하기
Tantalum (Ta) coating is expected to improve clinical outcomes of titanium (Ti) dental implants due to its anticorrosion and biocompatibility. The purpose of this study was to evaluate the effect of Ta coating on surface characteristics and osteoblastic cell response of Ti-6Al-4V alloy surface. Radio frequency (RF) magnetron sputtering method was used to develop the Ta coating layer on Ti- 6Al-4V disks. Surface properties were analyzed by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).
Electrochemical test was performed to evaluate the corrosion behavior. Cell responses were evaluated using 3-(4,5-dimethylthiazol-2-yl)- 2,5-diphenyltetrazolium bromide (MTT) assay and alkaline phosphatase (ALP) activity. Ta coating layer was formed with a uniform thickness. In electrochemical test, the passive layer was more uniform and stable in Ta-coating group than Ti-6Al-4V group. Cell morphology showed no difference between Ti-6Al-4V group and Ta-coating group. Ta-coating group showed higher cell proliferation than Ti-6Al-4V group at 1, 3 and 5 days (p<0.05). There was no significant difference in ALP activity level between two groups (p>0.05).
These results suggest that Ta coating on Ti-6Al-4V alloy could enhance surface properties and early osteogenic responses.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Dehua Li / 2002 / Biomechanical comparison of the sandblasted and acid-etched and the machined and acid-etched titanium surface for dental implants / Journal of Biomedical Materials Research 60(2):325~332
L. Le Guéhennec / 2007 / Surface treatments of titanium dental implants for rapid osseointegration / Dental Materials 23(7):844~854
Rüdiger Junker / 2009 / Effects of implant surface coatings and composition on bone integration: a systematic review / Clinical Oral Implants Research 20:185~206
Gustavo Mendonça / 2008 / Advancing dental implant surface technology – From micron- to nanotopography / Biomaterials 29(28):3822~3835
Vincent Offermanns / 2015 / Enhanced osseointegration of endosseous implants by predictable sustained release properties of strontium / Journal of Biomedical Materials Research Part B: Applied Biomaterials 103(5):1099~1106
L. Le Guéhennec / 2007 / Surface treatments of titanium dental implants for rapid osseointegration / Dental Materials 23(7):844~854
Rüdiger Junker / 2009 / Effects of implant surface coatings and composition on bone integration: a systematic review / Clinical Oral Implants Research 20:185~206
Gustavo Mendonça / 2008 / Advancing dental implant surface technology – From micron- to nanotopography / Biomaterials 29(28):3822~3835
Vincent Offermanns / 2015 / Enhanced osseointegration of endosseous implants by predictable sustained release properties of strontium / Journal of Biomedical Materials Research Part B: Applied Biomaterials 103(5):1099~1106
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