Patients that have too many teeth missing may be candidates for partial dentures. Partial dentures are now available in two forms. Prosthesis, which uses a metal substructure that attaches to the remaining teeth in the mouth for support. Bonded to the metal substructure are acrylic teeth that replace all the missing teeth in the area. Partials dentures are removable, and it becomes necessary for patients to remove them from the mouth after meals to clean them.