“…3,4 Further, cross sectional studies and longitudinal clinical trials have reported an increased incidence of caries and periodontal breakdown when RPDs are worn. [5][6][7][8] This appar ent poor compliance with wearing RPDs, together with their potential to generate an additional long-term treatment need, represents a considerable potential waste of resource within the NHS. The reasons for this discrepancy are unclear but may reflect the attitudes and expectation of patients, the clinical knowledge and technique of dentists, or administrative and financial restrictions.…”