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Related Experiment Videos

Longevity of fixed partial dentures

G Libby1, M R Arcuri, W E LaVelle

  • 1College of Dentistry, University of Iowa, Iowa City, USA.

The Journal of Prosthetic Dentistry
|August 1, 1997
PubMed
Summary
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Dental caries is the main reason fixed partial dentures (FPDs) fail. However, specific clinical and laboratory procedures can extend the service life of these dental restorations.

Area of Science:

  • Prosthodontic dentistry
  • Dental materials science
  • Clinical research

Background:

  • Patient inquiries regarding fixed partial denture (FPD) longevity and replacement reasons are common.
  • Limited data exists on materials, techniques, and evaluation standards for FPD restorations.

Purpose of the Study:

  • To determine the failure reasons and service duration of FPDs.
  • To correlate FPD longevity with specific clinical, radiographic, and laboratory procedures.

Main Methods:

  • Retrospective chart review and clinical examination of 89 FPDs in 50 patients.
  • Analysis of failure causes and service years for replaced or failed FPDs.

Main Results:

  • 15% of FPDs (13 out of 89) failed or were replaced.

Related Experiment Videos

  • Dental caries (38%) was the leading cause of FPD failure.
  • Mean service life varied from 4.1 years (fractured post and core) to 16.0 years (dental caries).

    • Conclusions:

    • Confirms dental caries as the primary cause of FPD failure.
    • Highlights that specific radiographic, clinical, and laboratory procedures can enhance FPD service life.