Clinical Oral Implants Research
Volume 15 Issue 6 Page 654 – December 2004
doi:10.1111/j.1600-0501.2004.01119.x
A systematic review of the survival and complication rates of fixed partial dentures (FPDs) after an observation period of at least 5 years
III. Conventional FPDs
Ken Tan1, Bjarni E. Pjetursson2, Niklaus P. Lang2 and Edwin S.Y. Chan3
The present study was done to determine the long-term success and survival of fixed partial dentures (FPDs) and to evaluate the risks for failures due to specific biological and technical complications. A MEDLINE search (PubMed) from 1966 up to March 2004 was conducted, as well as hand searching of bibliographies from relevant articles. Nineteen studies from an initial yield of 3658 titles were finally selected and data were extracted independently by three reviewers. Prospective and retrospective cohort studies with a mean follow-up time of at least 5 years in which patients had been examined clinically at the follow-up visits were included in the meta-analysis. Publications only based on patients records, questionnaires or interviews were excluded. Survival of the FPDs was analyzed according to in situ and intact failure risks. Specific biological and technical complications such as caries, loss of vitality and periodontal disease recurrence as well as loss of retention, loss of vitality, tooth and material fractures were also analyzed. The 10-year probability of survival for fixed partial dentures was 89.1% (95% confidence interval (CI): 8193.8%) while the probability of success was 71.1% (95% CI: 47.785.2%). The 10-year risk for caries and periodontitis leading to FPD loss was 2.6% and 0.7%, respectively. The 10-year risk for loss of retention was 6.4%, for abutment fracture 2.1% and for material fractures 3.2%.
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