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Related Experiment Videos

Polyurethane elastomer as a possible resilient material for denture protheses: a microbiological evaluation.

R Y Tang, J B Gonzalez, G D Roberts

    Journal of Dental Research
    |September 1, 1975
    PubMed
    Summary
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    This study found that a polyurethane elastomer did not support oral microorganism growth or degradation over 16 weeks, indicating its suitability for resilient denture liners.

    Area of Science:

    • Biomaterials science
    • Microbiology
    • Dental materials

    Background:

    • Resilient denture liners are crucial for patient comfort and function.
    • Microbial contamination of denture materials can lead to oral health issues.
    • Polyurethane elastomers are being explored for dental applications due to their mechanical properties.

    Purpose of the Study:

    • To evaluate the in vitro microbiological compatibility of a specific polyurethane elastomer.
    • To assess the potential of this elastomer for use in resilient denture liners.

    Main Methods:

    • Specimens of the polyurethane elastomer were incubated in suspensions of ten selected oral microorganisms.
    • Viable cell counts were performed at regular intervals over a 16-week period.
    • Microbial growth and material degradation were monitored.

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    Main Results:

    • The polyurethane elastomer did not support the growth of any of the ten tested oral microorganisms.
    • No evidence of material degradation was observed during the 16-week evaluation period.

    Conclusions:

    • The evaluated polyurethane elastomer demonstrates excellent in vitro microbiological resistance.
    • This material shows significant promise as a safe and durable option for resilient denture liners.