Implant-supported mandibular overdentures retained with a milled bara retrospective studyKrennmair, GKrainhofner, MPiehslinger, EAuthor informationInt J Oral Maxillofac Implants 2007;22:987-94.The Journal of Prosthetic Dentistry 99(5):p 387, May 2008.Copyright ©2008 Elsevier, Inc.