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How to make microwavable denture flasks.

R E McKinstry1, I Zini

  • 1Eye and Ear Hospital, Pittsburgh, Pa.

The Journal of Prosthetic Dentistry
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

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New fiberglass denture flasks accommodate large prostheses and enable microwave polymerization of acrylic resins. This cost-effective method uses readily available materials for improved dental prosthetics fabrication.

Area of Science:

  • Dental prosthetics
  • Materials science
  • Polymerization techniques

Background:

  • Conventional denture flasks may limit the accommodation of large intraoral prostheses like obturators.
  • Microwave polymerization offers faster curing times for acrylic resins but requires specialized flask materials.

Purpose of the Study:

  • To develop a novel, cost-effective fiberglass denture flask suitable for microwave polymerization.
  • To create a flask capable of accommodating large intraoral prostheses.

Main Methods:

  • A dental stone pattern and latex mold were used to create fiberglass flasks.
  • Fiberglass liquid resin, commonly used in automotive repair, was reinforced with dental stone and chopped fiberglass strands.
  • The flasks were tested for compression molding and microwave polymerization of acrylic resins.

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Main Results:

  • The developed fiberglass flasks successfully accommodated large intraoral prostheses.
  • The flasks demonstrated sufficient strength for compression molding.
  • Microwave polymerization of acrylic resin for denture bases was achieved successfully using these flasks.
  • The production method proved economical and utilized accessible materials.

Conclusions:

  • Economical fiberglass denture flasks can be fabricated for microwave polymerization of acrylic resins.
  • These flasks support both conventional techniques and accommodate large prostheses, offering a versatile solution in dental laboratories.