2.1. Recruitment
psychiatric, dementia, alcoholism
DIABETES MELLITUS, DISORDERS, MEDICAL COMPLICATION
Dental patients who had completed oral rehabilitation for replacement of missing natural teeth and were under review in the Centre for Dentistry, Queen’s University Belfast were informed about this study (via letter, poster or in person at clinic appointments) and invited to participate. Potential participants were screened for eligibility in two stages detailed below and shown in Patient dental files were screened for stage 1 eligibility under the following criteria: partially dentate with missing teeth replaced with removable partial dentures or fixed prosthodontics to provide a functional dentition within the last 5 years at the Centre for Dentistry; 65+ years; independent; no clinically diagnosed dementia; no diabetes mellitus; no history of alcoholism; no active treatment for psychiatric disorders; no medical complication which contraindicated routine dental treatment (see If eligibility was confirmed after stage 1, the research team provided patients with a Participant Information Sheet. If patients expressed interest in this study directly (i.e., following seeing the poster in the clinic), the researcher confirmed stage 1 eligibility criteria with the patient, sent out an information sheet, and then re-contacted them >48 h after receiving the information sheet to assess stage 2 eligibility criteria. Stage 2 eligibility criteria were assessed via the telephone using the following key criteria (also 