“…In our study, 34% of preschool children had ECC with a mean dmft of 1.4 (39). These data were comparable with epidemiological findings from similar cross‐sectional surveys of preschool children living in England (56) and Ireland (57) but lower than those from Ohio, USA (58), Seoul, Korea (43) and Taiwan (59). In addition, within the group of children with ECC, 9.4% had the rampant or severe form of ECC, which was less than the prevalence rate reported by other epidemiological surveys using similar diagnostic criteria (9, 43, 56, 57, 59).…”