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Shuya Shi
Shuya Shi
China
Publications
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Research Article
Long-Term In Vitro Effectiveness of A Bioglass Desensitizing Agent Investigated Using Electrochemical Impedance Spectroscopy, Atomic Force Microscopy and Scanning Electron Microscopy
Author(s): Shuya Shi, Q Wu, YT Xu and Yaming ChenShuya Shi, Q Wu, YT Xu and Yaming Chen
Objectives: To compare the long-term in vitro effectiveness of a newer desensitizing agent containing bioactive glass and two other commercial products employed for dentin hypersensitivity. Methods: Fifty occlusal dentin disks from extracted sound human third molars were treated with 0.5M ethylenediaminetetraacetic acid for 2 min then randomly divided into five groups (n=10). Specimens were brushed for 2 min twice daily with Actimins Paste (Group1), Lesening Super Desensitizing Toothpaste (Group2), Colgate Sensitive Pro-Relief Desensitising Polishing Paste (Group3) and distilled water (Group4) at 9:00 am and at 5:00 pm. Specimens in Group5 had no brushings. All specimens were immersed sequentially for 5 min into coffee (pH=5.4) at 10:00 am and undiluted cola (pH=2.5) at 6:00 pm. Dentin permeability was measured weekly over one month using elect.. View More»
DOI: 10.4172/2161-1122.1000422