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Related Experiment Videos

[The effectiveness of GaA1As semiconductor laser treatment to pain decrease after irradiation].

T Kawakami, Y Ibaraki, K Haraguchi

    Higashi Nihon Shigaku Zasshi
    |June 1, 1989
    PubMed
    Summary
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    Low-energy laser irradiation effectively reduced pain in various dental conditions, including dentin hypersensitivity, periodontitis, and gingivitis. This study demonstrates the therapeutic potential of semiconductor lasers for pain management in oral health.

    Area of Science:

    • Biomedical Engineering
    • Dental Science
    • Laser Physics

    Context:

    • Low-energy laser irradiation is increasingly used for sedative and antiphlogistic treatments.
    • Semiconductor lasers offer a non-invasive approach to pain management.

    Purpose:

    • To evaluate the efficacy of Gallium Aluminum Arsenide (GaAlAs) semiconductor laser irradiation in reducing post-operative dental pain.
    • To assess pain reduction across different grades of dental pain, including dentin hypersensitivity, periodontitis, and gingivitis.

    Summary:

    • A GaAlAs semiconductor laser (780nm, 30mW, 30-180s exposure) was used to treat dental pain.
    • Effective pain reduction was observed in 35 cases of mild to strong dentin hypersensitivity (Grade I and II).
    • The treatment was also effective for pain associated with periodontitis, post-root canal filling, post-extraction, gingivitis, stomatitis, and gingival ulcers.

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    Impact:

    • Demonstrates the potential of low-energy semiconductor lasers as an effective analgesic modality in dentistry.
    • Provides evidence for non-pharmacological pain relief options in various oral conditions.
    • Highlights the therapeutic benefits of laser irradiation for post-operative and inflammatory dental pain.