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Related Experiment Videos

Problems with prostheses on implants: a retrospective study

J N Walton1, M I MacEntee

  • 1Division of Prosthodontics, University of British Columbia, Vancouver, Canada.

The Journal of Prosthetic Dentistry
|March 1, 1994
PubMed
Summary
This summary is machine-generated.

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Removable implant-supported prostheses (ISPs) require more adjustments and repairs than fixed ISPs, particularly within the first year. Patient satisfaction remains high for both types, though cleansability is a concern with fixed restorations.

Area of Science:

  • Dental Implantology
  • Prosthodontics
  • Biomaterials Science

Background:

  • Defining prosthetic parameters for implant success is crucial.
  • Patient satisfaction and prosthesis maintenance are key indicators.
  • Quantifying differences between fixed and removable implant-supported prostheses (ISPs) is needed.

Purpose of the Study:

  • To retrospectively evaluate patient satisfaction and maintenance requirements for fixed and removable ISPs.
  • To compare the adjustment and repair frequencies between fixed and removable ISPs.
  • To identify common adjustment and repair issues for both prosthesis types.

Main Methods:

  • Retrospective evaluation of 156 patients with fixed or removable ISPs.
  • Data collection on patient satisfaction, adjustments, and repairs.

Related Experiment Videos

  • Analysis of adjustment and repair types, frequency, and timing.

    • Main Results:

    • Removable ISPs had significantly more adjustments (2.1 vs. 0.8) and repairs (1.9 vs. 0.9) per prosthesis than fixed ISPs.
    • Common adjustments involved prosthesis contour; common repairs were retentive clips (removable) and gold screws (fixed).
    • Repeat repairs were over twice as common for removable ISPs; high early repair incidence noted for both types.

    Conclusions:

    • Removable ISPs demand higher maintenance, with more frequent adjustments and repairs, especially early on.
    • Patient satisfaction is generally high for both fixed and removable ISPs, but cleansability is an issue for fixed types.
    • Treatment planning and cost estimation for implant therapy should consider the maintenance needs of removable ISPs.