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Soft prosthesis materials based on powdered elastomers.

S Parker1, M Braden

  • 1Dental School, The London Hospital Medical College, UK.

Biomaterials
|September 1, 1990
PubMed
Summary
This summary is machine-generated.

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Researchers developed a novel soft prosthesis material using powdered elastomers and methacrylate monomers, suitable for dental applications without plasticizers. While promising for external use, high water absorption limits long-term intraoral applications.

Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Polymer Chemistry

Background:

  • Conventional soft prosthesis materials often rely on plasticizers, which can leach out over time.
  • Development of new materials is needed for improved performance and biocompatibility in prosthetic applications.

Purpose of the Study:

  • To develop a new class of soft prosthesis material using a plasticizer-free approach.
  • To evaluate the processability and mechanical properties of these novel materials for dental applications.

Main Methods:

  • Combined powdered elastomers (natural rubber, butadiene styrene, butadiene acrylonitrile) with higher alkyl methacrylates (C8-C13) and 2-ethoxyethyl methacrylate.
  • Polymerized the methacrylate monomer to form an elastomer, creating a processable system.

Related Experiment Videos

  • Evaluated mechanical properties: tear strength, adhesion to poly(methyl methacrylate), water sorption, and viscoelastic properties.

    • Main Results:

    • Successfully developed novel soft prosthesis materials processable by conventional dental technology.
    • Identified several potentially viable systems for external prostheses.
    • Observed high long-term water absorption in many systems, questioning their suitability for intraoral use.

    Conclusions:

    • The developed plasticizer-free soft prosthesis materials show promise, particularly for external applications.
    • Further development is required to address water absorption issues for long-term intraoral use.
    • This approach offers a new avenue for soft biomaterial design in prosthetics.