Figure 2
From: Compromised dental cells viability following teeth-whitening exposure
Enamel-protein (weight) ratio analysis pre and post-whitening. (a) Sample preparation for enamel-protein (weight) ratio Analysis. (i) Intact tooth sample. (ii) Longitudinally sectioned tooth into buccal/lingual half. (iii) 0.3–0.5 mm thick enamel shell. (iv) Enamel shell fine powder for thermogravimetry testing. (b) TGA curve (red) and its derivative (black) showing the mass change in enamel as a function of temperature ramp. (c) Box and Whisker plot, showing the range of TGA results in a percentage of weight loss for each group. A significantly lower (p < 0.001) enamel-protein content (by weight) of the treatment groups compared to the control.
