Association between nocturnal breastfeedin and snacking habits and the risk of early childhood caries in 18- to 23-month-old Japanese children Nakayama Y et al, J Epidemiol, 2015, 25(2), 142–147 Introduction early childhood caries (ECC)は多因子疾患であり,socio-economic statusや最近では副流煙の影響が示唆されている.さらに母乳はリスクとして知…