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The effects of non-thermal atmospheric pressure plasma jet on cellular activity at SLA-treated titanium surfaces

Authors
 Eun-Jung Lee ; Jae-Sung Kwon ; Kyoung-Nam Kim ; Eun Ha Choi ; Yong Hee Kim ; Doo-Hoon Song ; Soo-Hyuk Uhm 
Citation
 Current Applied Physics, Vol.13(S1) : S36~S41, 2013 
Journal Title
 Current Applied Physics 
ISSN
 1567-1739 
Issue Date
2013
Abstract
Titanium (Ti) is a primary material used for dental implants, and the sandblasted, large-grit, and acid-etched (SLA) surface treatment is commonly used on titanium to promote early osseointegration. Despite their benefits, SLA-treated Ti surfaces are disadvantaged by their hydrophobic property, and much research has been performed to address this problem. In current study, we hypothesized the effects of a nitrogen-based non-thermal atmospheric pressure plasma jet (NTAPPJ) treatment on SLA-treated Ti would increase hydrophilicity and cellular activity. Samples with and without the NTAPPJ treatment were analyzed using a field emission scanning electron microscope, optical surface roughness system, X-ray photoelectron spectroscope, and water contact angle measuring system. MC3T3-E1 cells (murine osteoblastic cell line) attachments and proliferations were examined by the MTT and BrdU colorimetry assay. Cell immunofluorescent microscopic images were observed by a confocal laser scanning microscope for a morphological analysis. This study found that the nitrogen-based NTAPPJ treatment on SLA-treated Ti significantly increased the hydrophilicity and MC3T3-E1 cell attachments and proliferations. Hence, it was concluded that an additional procedure of nitrogen-based NTAPPJ treatment just prior to implantation of SLA-treated Ti into oral defect sites could improve the success of dental implant surgery.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/86773
DOI
10.1016/j.cap.2012.12.023
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Dental Engineering
1. 연구논문 > 5. Research Institutes > Research Center for Orofacial Hard Tissue Regeneration
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S1567173913000199
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