Comparative inequalities in child dental caries across four countries: Examination of international birth cohorts and implications for oral health policy.

Introduction Despite great improvements in the oral health of populations, dental caries (an infectious disease caused by certain types of bacteria [1]) remains a significant and preventable population health problem even in high-income countries [2, 3], and particularly for children [4]. This is highlighted by the recent WHO call for a global oral health strategy by […]