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Abutment tooth loss in patients with overdentures.
J Am Dent Assoc
June 2004
Department of Prosthodontics, Dows Institute for Dental Research, University of Iowa, Iowa City 52242-1010, USA.
Background: Since the 1960s, the use of natural teeth as overdenture abutments has become part of accepted clinical practice. Several longitudinal studies have been conducted, but tooth loss has not been reported to be a significant problem. The aim of this study was to identify the incidence and causes of tooth loss in a prospective cohort study of subjects wearing overdentures.
View Article and Find Full Text PDFPostprocedural problems in an overdenture population: a longitudinal study.
J Endod
May 2004
Department of Prosthodontics and Dows Institute for Dental Research, University of Iowa, Iowa City, IA 52242, USA.
This study reports on endodontic and other post-procedural problems experienced by overdenture patients from 1973 to 1996. There were 395 subjects enrolled in the study; 273 fulfilled the recall criteria. At recall, all subjects were examined by a single examiner, and appropriate maintenance care was performed.
View Article and Find Full Text PDFA clinical pilot study of the dimensional accuracy of double-arch and complete-arch impressions.
J Prosthet Dent
May 2002
Dental School, University of Queensland, Brisbane, Queensland, Australia.
Statement Of Problem: It has been suggested that articulated casts fabricated with the double-arch impression technique may have superior occlusal accuracy than those fabricated with a single complete-arch impression. However, lack of tray rigidity may lead to flexure of the impression/tray complex, resulting in inaccurate dies in the bucco-lingual dimension.
Purpose: This clinical pilot study compared the dimensions of dies fabricated with 3 types of double-arch impressions to dies fabricated with the conventional complete-arch, custom tray method.
This technique permits the preparation of ceramic jacket crowns made on Sunrise laminated precious metal alloy. The Sunrise foil is gold-colored, made of 99% of precious metals and is 50 microns thick. The die is prepared in order to display a moderate and regular undercut beyond the cervical limit.
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