Spreading Nanotechnology to Conservative Dentistry

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Using Colloidal Platinum Nano-particles (CPN) as a adhesion promoter of dental adhesives increased its bond ability to tooth surface. When observing resin dentin bonds under the transmission electron microscope, improved bond performance was found by the condition that exposure of collagen fibrils were observed at the adhesive interface. CPN is well known as the strong scavenger for oxidation stress, but under the some conditions the scavenging effect was not detected. When CPN was applied to osteoclast cell lines, suppression of the activity of the cells was found.