Dentine Tubule Occlusion by Novel Bioactive Glass-Based Toothpastes

Figure 1

SEM images of the dentine surface morphology in disc 1 treated with a 45S5 glass-based toothpaste at 5000x (top) and 10000x (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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