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Telescopic crown-retained removable partial dentures: review and case report
S M Beschnidt1, S Chitmongkolsuk, R Prull
1Department of Prosthodontics, Albert Ludwigs University, Freiburg, Germany.
Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|January 24, 2002
Summary
Double crown-retained prostheses offer superior guidance, support, and force distribution for partially edentulous patients. These telescopic dentures demonstrate lower failure rates than clasp-retained options in long-term studies.
Area of Science:
- Dentistry
- Prosthodontics
- Biomaterials
Background:
- Double crown-retained prostheses are utilized for partially edentulous patients.
- This retainer design offers guidance, support, and retention against dislodging forces.
- It facilitates efficient transfer of bite forces along the long axis of abutment teeth.
Observation:
- The design allows for easy retrieval of the denture if an abutment tooth requires extraction.
- Modifications in preparation and veneering techniques can minimize overcontouring of double crowns.
- Custom all-ceramic crowns and individualized denture bases enhance esthetics.
Findings:
- Longitudinal studies (5-10 years) indicate a lower failure rate for conical crown-retained partial dentures compared to those using clasps or precision attachments.
- Clinical and technical aspects of constructing these telescopic dentures have been detailed in case reports.
Implications:
- Double crown retainers provide a stable and retrievable solution for partial edentulism.
- Optimized techniques can improve both functional outcomes and esthetics.
- This approach presents a favorable long-term prognosis in fixed and removable prosthodontics.