Abstract:

Objective: To study the influence of different concentrations of Pu'er Tea, ripe tea on the demineralization rate of bovine
incisors. Methods: Through constant pH method, kinetics experiment was used to compare the effect of anti acid and demineralization
of bovine incisors processed by deionized water, NaF, different concentrations of raw tea and ripe tea. Results: Demineralization rate
curve shows that NaF group consumed the least amount of HAc and had the lowest demineralization rate; raw tea group（96 mg/mL）,
ripe tea group（6 mg/mL, 12 mg/mL）had the low demineralization rate comparing with the deionized water group and the ripe tea
consumed less HAc comparing with raw tea in the same concentrations. Conclusion: NaF group, enjoyed the best effect of anti acid
and demineralization compared with the high concentration of raw tea group, low concentration of ripe tea group, which shows that ripe
tea has better anti-caries effect than raw tea.