title: Dental, medical and psychosocial factors may be critical factors for retaining functional dentition into very old age.
authors.affiliation: Gent University - Dental School, Community Dentistry and Oral Public Health, De Pintelaan 185, 9000 Gent, Belgium. jacques.vanobbergen@UGent.be
authors.forename: Jacques
authors.initials: J
authors.lastname: Vanobbergen