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Related Experiment Videos

Polyurethane elastomers for facial prostheses.

J B Gonzalez

    The Journal of Prosthetic Dentistry
    |February 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Polyurethane elastomers offer durable, comfortable facial prostheses that mimic tissue characteristics. Extensive patient use shows minimal adverse reactions, though further research is needed.

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    Area of Science:

    • Materials Science
    • Biomedical Engineering
    • Prosthodontics

    Background:

    • Facial prostheses are crucial for restoring appearance and function after trauma or surgery.
    • Previous materials like polyvinyl chloride (PVC) and silicones had limitations in durability, comfort, and tissue mimicry.
    • Polyurethane elastomers have emerged as a promising alternative for facial prosthesis fabrication.

    Purpose of the Study:

    • To review the application and properties of polyurethane elastomers in facial prostheses.
    • To describe the casting techniques for these advanced materials.
    • To evaluate their performance and patient outcomes compared to older materials.

    Main Methods:

    • Review of existing literature on polyurethane elastomers for facial prostheses.

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  • Description of the casting methodology for fabricating prostheses.
  • Analysis of patient data regarding tissue reactions and material performance.

    • Main Results:

    • Polyurethane elastomers demonstrate excellent simulation of facial tissue characteristics.
    • These materials offer superior durability and patient comfort compared to PVC and silicones.
    • Over 300 patients treated showed no significant adverse tissue reactions.
    • Successful casting requires careful handling and accuracy.

    Conclusions:

    • Polyurethane elastomers represent a significant advancement in facial prosthesis materials.
    • While effective and safe, further investigation into their physical/mechanical properties and metamerism is warranted.
    • Continued research will optimize their use and expand their application in maxillofacial prosthodontics.