 Study design A 10-year follow-up study of a randomized controlled clinical trial RCT carried out from 2001 to 2003, including assessment of patient satisfaction, denture repairreplacement and OHRQoL. Data will be gathered through telephone interviews. Since the contacts were last used a decade ago, the phone number may have been changed, but we will make every effort to find new numbers for any participant those contact information is no longer valid . 