PurposeThis study aimed to assess the effectiveness of ultrasonic denture hygiene interventions in improving denture cleanliness among elderly individuals. Materials and MethodsSixty-six participants who had received upper metal framework removable partial dentures within the past 5 years were randomly allocated into three denture hygiene intervention groups: group 1 (mechanical clean... https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/