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Volume 13 , Issue 1
January/February 2000

Pages 25-28

Two-Unit Cantilevered Resin-Bonded Fixed Partial Dentures-A Retrospective, Preliminary Clinical Investigation

Michael G. Botelho, BDS/Lai Ching Nor, BDS/Ha Wai Kwong, BDS/Bih Sau Kuen, BDS

PMID: 11203604

Purpose: The aim of this study was to retrospectively evaluate the clinical retention and abutment movement of 2-unit cantilevered resin-bonded fixed partial dentures (FPD) that were inserted at Prince Philip Dental Hospital in Hong Kong. Materials and Methods: Of 45 patients who were identified from a hospital computer search after receiving a 2-unit cantilevered resin-bonded FPD, 31 were clinically examined (33 FPDs). For each patient the following data were recorded: gender, age, cementation date, endodontic treatment if performed, bone support, tooth mobility, and FPD tipping or drifting. Data about any debonds with subsequent treatment and patient satisfaction on a 10-point scale were also recorded. Results: The mean service life for the 33 prostheses was 30 18 months, with a range of 72 days to 67 months. One prosthesis debonded, resulting in a clinical retention rate of 97%. No rotation, drifting, or tipping was observed for any of the prostheses during the short period of this study. Conclusion: Two-unit cantilevered resin-bonded FPDs are successful in the short term, but further research is required to determine if they offer a viable alternative to fixed-fixed resin-bonded FPD designs.

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