Longevity and quality of FPDs: a retrospective study of restorations 30, 20, and 10 years after insertion

The aim of this retrospective study was to investigate the longevity and clinical performance of fixed partial dentures (FPD) 30, 20, and 10 years after insertion. A total of 289 FPDs were inserted in 1966/67, 1976/77, and 1986/87. For patients with FPDs presumably still in function, an evaluation a...

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Bibliographic Details
Published inThe International journal of prosthodontics Vol. 16; no. 3; p. 283
Main Authors Holm, Charlotta, Tidehag, Per, Tillberg, Anders, Molin, Margareta
Format Journal Article
LanguageEnglish
Published United States 01.05.2003
Subjects
Adult
Aged
California
Dental Audit
Dental Marginal Adaptation
Dental Restoration Failure
Dental Restoration Wear
Denture, Partial, Fixed - standards
Female
Humans
Male
Middle Aged
Patient Satisfaction
Quality of Health Care
Reference Standards
Retrospective Studies
Societies, Dental
Sweden
Time Factors
Sweden
California
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Summary:The aim of this retrospective study was to investigate the longevity and clinical performance of fixed partial dentures (FPD) 30, 20, and 10 years after insertion. A total of 289 FPDs were inserted in 1966/67, 1976/77, and 1986/87. For patients with FPDs presumably still in function, an evaluation according to the CDA criteria was made. For 64 of the FPDs (22%), no information was available. Seventy-nine patients with 94 FPDs (33%) were clinically examined, and 44 of the FPDs (15%) were reported to be still in function by the patients' current clinicians. The remaining 87 FPDs (30%) were considered lost to follow-up. These FPDs had either been removed for various reasons--in most cases dental caries, lost retention, or fractured abutment teeth--or the patient could not be contacted. Eighty-four percent of the FPDs inserted in 1966/67 were still in function after 20 years, compared to 64% of those inserted in 1976/77. Apart from an increase in wear and discoloration, the oldest FPDs had excellent marginal fit and anatomic shape. The survival rate of 30-year-old FPDs was high; 53% remained in function after 30 years. Based on the CDA criteria, 78% of the restorations were rated satisfactory in all subgroups. The FPDs placed in 1966/67 obtained the highest ratings in color, anatomy, and margin integrity.
ISSN:0893-2174