“…Some studies assessed dental status by the presence of decay only, by either reporting a root caries index [39,50,74,86,93] or counting the number of teeth with root and/or coronal caries [35, 51, 56, 72, 75, 76, 83-85, 90, 94, 95]. Another method for assessment of dental status was dental treatment need [27,29,46,56,84,92]. The method differed for every study:…”