| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Outline of Final Research Achievements |
This study investigated the effects of a diamond-like carbon (DLC) coating on frictional properties and bacterial adhesion of orthodontic stainless steel. DLC films were deposited on orthodontic wires, brackets and stainless steel plates using the plasma-based ion implantation/deposition (PBIID) method. For friction test or bacterial adhesion test, the DLC coated specimens showed significantly less frictional force or bacterial adhesion rate than the non-coated specimens. The results of this study showed that the surfaces of the specimens can be successfully modified by the PBIID method to create a DLC layer, which is beneficial for orthodontic tooth movement or caries risk.
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