Journal
CURRENT APPLIED PHYSICS
Volume 13, Issue -, Pages S36-S41Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cap.2012.12.023
Keywords
Atmospheric pressure plasma jet; Cellular activity; Dental implant; Hydrophilicity; SLA-treated titanium
Funding
- Basic Science Research Program
- SRC program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012R1A1A2008659, 20100029418]
- National Research Foundation of Korea [2012R1A1A2008659, 2010-0027963] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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. (c) 2013 Elsevier B.V. All rights reserved.
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