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Quality of fixed prosthodontics after 15 years
P O Glantz1, K Nilner, M D Jendresen
1Department of Prosthetic Dentistry, Faculty of Odontology, University of Lund, Malmö, Sweden.
Acta Odontologica Scandinavica
|August 1, 1993
Summary
This study evaluated fixed partial dentures 15 years after placement. Over 30% of reconstructions failed, with fractures and caries being primary causes.
Area of Science:
- Dentistry
- Prosthodontics
- Dental Materials
Background:
- Extensive restorative treatments, particularly fixed partial dentures, are common in dental practice.
- Long-term survival rates and quality of these restorations are crucial for patient outcomes and healthcare planning.
Purpose of the Study:
- To assess the 15-year clinical quality and survival of fixed partial dentures.
- To identify factors contributing to the failure or degradation of these dental restorations.
Main Methods:
- A cohort of 77 patients, originally selected from the Swedish Dental Insurance System, underwent clinical examinations and interviews.
- The California Dental Association quality evaluation system was used to assess the restorations.
- Data were collected 15 years after the initial extensive restorative treatment with fixed partial dentures.
Main Results:
- 32% of the fixed partial dentures were completely lost, and 8% were partially lost over the 15-year period.
- Only 35% of the reconstructions were rated as Satisfactory; the rest had mixed or unacceptable quality ratings.
- Common reasons for failure included fractures, loss of retention, and secondary dental caries.
Conclusions:
- Fixed partial dentures demonstrate a significant failure rate over a 15-year period.
- Fractures, loss of retention, and caries are key factors influencing the long-term success of these restorations.
- Regular quality assessments are essential for understanding the longevity and identifying areas for improvement in fixed partial denture treatments.