Research Article

Dentine Tubule Occlusion by Novel Bioactive Glass-Based Toothpastes

Figure 2

SEM images of the dentine surface morphology in disc 2 treated with a mixed glass-based toothpaste at 2000x (top) and 5000x (bottom) magnifications. (a) Control; (b) after brushing with a bioactive glass-based toothpaste; (c) after brushing with a bioactive glass-based toothpaste + artificial saliva immersion for 1 hour; (d) after brushing with a bioactive glass-based toothpaste + acid challenge with 6% citric acid.
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