1. Reich E, Lussi A, Newbrun E. Caries-risk assessment. Int Dent J. 1999;49:15–26.
2. Nishi M, Kumagai T, Whelton H. Access to personalised caries prevention (PCP) programmes was determined by their dentists: a cross-sectional study of current and potential PCP adopters in Japan and their knowledge of caries risk. J Dent Health. 2016;66:399–407.
3. Tsurumoto A, Wright FA, Kitamura T, Fukushima M, Campain AC, Morgan MV. Cross-cultural comparison of attitudes and opinions on fluorides and fluoridation between Australia and Japan. Community Dent Oral Epidemiol. 1998;26:182–93.
4. Hirose M, Murata Y, Fukuda A, Murai Y, Ohoka R, Yahata S, Mizugai H, Igarashi S. Attitudes of elementary and junior high-school students’ parents about prevention of dental caries in Shinshinotsu village, Ishikari County, Hokkaido. Jpn J Dent Health. 2011;61:301–9 (In Japanese).
5. ten Cate JM. Contemporary perspective on the use of fluoride products in caries prevention. Br Dent J. 2013;214:161–7.