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Related Experiment Videos

Efficient soldering index materials for fixed partial dentures and implant substructures

G C Cho1, W W Chee

  • 1Department of Restorative Dentistry, School of Dentistry, University of Southern California, Los Angeles, USA.

The Journal of Prosthetic Dentistry
|May 1, 1995
PubMed
Summary

This study compared Duralay and G.C. Pattern resin setting times for dental prosthetics. Both resins, along with G.C. Unifast light-cure resin, proved suitable for accurate denture fit, potentially saving chairside time.

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Area of Science:

  • Dental Materials Science
  • Prosthodontics
  • Biomaterials Engineering

Background:

  • Accurate fit of multiple-unit fixed partial dentures relies on intraoral indexing.
  • Duralay acrylic resin is commonly used but has a slow setting time.
  • Faster setting times are desirable for improved clinical efficiency.

Purpose of the Study:

  • To compare the setting times of Duralay and G.C. Pattern resin.
  • To evaluate the dimensional accuracy of Duralay, G.C. Pattern resin, and G.C. Unifast light-cure resin.
  • To assess the clinical suitability of these materials for denture fabrication.

Main Methods:

  • Comparative analysis of setting times for two autopolymerizing resins (Duralay, G.C. Pattern resin).
  • Evaluation of dimensional accuracy for autopolymerizing and light-cured resins (G.C. Unifast light-cure resin).

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  • Clinical assessment of material suitability for intraoral indexing.

    • Main Results:

    • All three tested materials demonstrated suitability for relating castings.
    • Clinically acceptable outcomes were achieved with Duralay, G.C. Pattern resin, and G.C. Unifast light-cure resin.
    • The study identified potential for chairside time savings with newer indexing materials.

    Conclusions:

    • Duralay, G.C. Pattern resin, and G.C. Unifast light-cure resin are clinically acceptable for fixed partial denture indexing.
    • Faster setting times in dental materials can enhance clinical efficiency.
    • Emerging indexing materials offer promise for reduced procedure times.