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Related Experiment Videos

Alternative complete-arch cement-retained implant-supported fixed partial denture.

T M Hofstede1, C Ercoli, M E Hagan

  • 1University of Rochester, Eastman Dental Center, Rochester, NY 14620, USA.

The Journal of Prosthetic Dentistry
|June 29, 1999
PubMed
Summary

This study presents a new, cost-effective complete-arch implant prosthesis using metal-acrylic resin. This cement-retained design offers excellent esthetics and stability, overcoming limitations of traditional screw-retained and porcelain-fused-to-metal options.

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Area of Science:

  • Dental Implantology
  • Prosthodontics
  • Biomaterials Science

Background:

  • Early implant prostheses (screw-retained metal and acrylic resin) often had gaps, leading to phonetic and esthetic issues, and screw loosening.
  • Cement-retained prostheses are favored for optimal occlusion and esthetics, potentially reducing implant stress and ensuring a passive fit.
  • Complete-arch porcelain-fused-to-metal (PFM) prostheses offer esthetics but are costly, prone to framework distortion, and difficult to repair.

Purpose of the Study:

  • To describe an alternative technique for fabricating a complete-arch, cement-retained, metal-acrylic resin implant-supported fixed partial denture.
  • To compare this novel prosthesis with traditional PFM complete-arch restorations.

Main Methods:

  • Fabrication of a complete-arch, cement-retained, metal-acrylic resin implant-supported fixed partial denture.

Related Experiment Videos

  • Comparative analysis with existing PFM complete-arch restorations regarding esthetics, cost, fabrication complexity, and clinical performance.

    • Main Results:

    • The metal-acrylic resin prosthesis demonstrated comparable esthetics to PFM restorations.
    • This cement-retained design exhibited excellent retention and stability.
    • The fabrication process was relatively inexpensive and required less specialized laboratory skill compared to PFM.

    Conclusions:

    • A complete-arch, cement-retained, metal-acrylic resin implant prosthesis offers a viable, cost-effective alternative to PFM restorations.
    • This technique provides a balance of esthetics, retention, stability, and affordability for edentulous patients.