In Asia, large differences in the economic development of the various countries and also in the health status of their populations can be observed (World Bank, 2011; World Health Organization, 2011). Similarly, great diversities exist regarding the dental caries situation of children and adults, with countries being classified as high level, such as the Philippines, through
moderate level, such as South Korea, to low level, such as India, and to very low level, such as China (Petersen, 2003). Asian
countries also vary in their approaches to control caries, at either the individual or the population level