Fig. 3. Dentin collagen treated by collagenase: (a) the weight loss percentage and (b) the HYP content derived from the supernatant after 5 days of exposure. Group A: demineralized dentin, group B: dentin in the TA crosslinking, group C: dentin remineralization for 7 days, and group D: dentin remineralization after TA crosslinking for 7 days.
