title: Mandibular overdentures retained by a bar on two implants need less aftercare and costs less than overdentures retained by two bars on three implants or by ball attachments on two implants.
authors.affiliation: University of British Columbia, Faculty of Dentistry, Department of Oral Health Sciences, 2199 Wesbrook Mall Vancouver, BC, Canada. macentee@interchange.ubc.ca
authors.forename: Michael
authors.initials: M
authors.lastname: MacEntee