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Evaluating dimensional accuracy of stone models.

H Hosoda, M Ohsawa

    Journal of Dental Research
    |April 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A new optical feeler technique accurately measures indirect stone models. This method offers detailed measurements, excellent reproducibility, and preserves the stone cast surface.

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    Area of Science:

    • Dental materials science
    • Metrology
    • Optical measurement techniques

    Background:

    • Accurate dimensional evaluation of indirect stone models is crucial in dentistry.
    • Traditional measurement methods may lack precision or damage delicate cast surfaces.

    Purpose of the Study:

    • To introduce and evaluate an optical feeler measuring technique for assessing the dimensional accuracy of indirect stone models.
    • To highlight the advantages of this novel technique over existing methods.

    Main Methods:

    • Development and application of an optical feeler system for non-contact measurement.
    • Detailed measurement of specimen diameters at various heights on stone casts.
    • Assessment of data reproducibility and impact on cast surface integrity.

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    Main Results:

    • The optical feeler technique demonstrated high precision in measuring specimen diameters.
    • The method exhibited good reproducibility, providing reliable dimensional data.
    • The technique was found to minimally impact or injure the surface of the stone casts.

    Conclusions:

    • The optical feeler measuring technique is a viable and advantageous tool for evaluating the dimensional accuracy of indirect stone models.
    • This method offers superior detail, reproducibility, and surface preservation compared to conventional techniques.