資料來源: 1. Walsh, T., et al., Fluoride toothpastes of different concentrations for preventing dental caries. Cochrane Database Syst Rev, 2019. 3: p. Cd007868. 2. Kumar, S., J. Tadakamadla, and N.W. Johnson, Effect of Toothbrushing Frequency on Incidence and Increment of Dental Caries: A Systematic Review and Meta-Analysis. J Dent Res, 2016. 95(11): p. 1230-6. 3. Dentistry, A.A.o.P. Fluoride Therapy. 2018.