“…The low prevalence of decayed, missing, and filled teeth found among those with severe ID living in institutions relative to the general population, those with mild and moderate ID, and those with severe ID not living in institutions may result from the prior removal of decayed teeth and/or the low sugar diet served in institutions [Tesini, 1981;Forsberg et al, 1985;Vazquez et al, 2002]. The majority of studies, however, have found similar prevalence estimates of decayed, missing, and filled teeth among individuals with ID compared to those in the general population, even though these studies included individuals living in all types of environments and with varying levels of ID [e.g., Tesini, 1981;Nowak, 1984;Shaw et al, 1986;Costello, 1990;Whyman et al, 1995;Cumella et al, 2000]. An alternative method of examining the extent of dental caries in the population focuses on the proportion of individuals with at least one dental carie.…”