The Research on Effects of Whitening Dentifrices on Superficial Roughness and Microstructure of Composite Resins

Abstract:

Objective: The aim of study is to investigate the composite resins superficial roughness and microstructure after brushing with common dentifrices containing silica abrasive agent or bicarbonate and whitening dentifrices containing peroxide. Methods: Roughness measuring instruments were used to test 3M Filtek Z350 samples surface brushed by the silica abrasive (C), urea peroxide + alumina / silica (RP), the hydrogen peroxide + calcium carbonate (Ex) dentifrices before and after, using AFM to observe the superficial properties. Results: The superficial roughness after using the three dentifrices changed differently, followed by EX<RPConclusions: Relative to dentifrices containing silica abrasive, whitening dentifrices containing peroxide and alumina or silica or calcium carbonate composition has smaller friction resistance of the composite resins.

• Periodical: Advanced Materials Research (Volume 749)
• Pages: 299-303
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.749.299
• Online since: August 2013
• Authors: Miao Li, Rui Zhang, Yu Lin Zhang, Xue Li Gou, Qing Zong Si, Bin Liu
• Keywords: Atomic Force Microscope (AFM), Composite Resins, Superficial Roughness, Whitening Dentifrices

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