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Related Concept Videos

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Related Experiment Video

Updated: Feb 28, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression
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Optical profilometry versus intraoral (handheld) scanning.

Oliver Hartkamp, Florian Peters, Hannes Bothung

    International Journal of Computerized Dentistry
    |June 21, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Intraoral scanning (IOS) offers a reliable and cost-effective method for clinical wear assessment, comparable to optical profilometry. Two analysis applications showed equivalent results for wear measurement.

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    Related Experiment Videos

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    Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans
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    Area of Science:

    • Dental materials science
    • Biomaterials engineering
    • Clinical dentistry

    Background:

    • Accurate measurement of tooth wear is crucial for diagnosis and treatment planning.
    • Traditional methods for assessing wear can be time-consuming and costly.
    • Advancements in digital scanning technologies offer potential for improved wear assessment.

    Purpose of the Study:

    • To compare maximum height loss measurements obtained from optical profilometry (WLP) and intraoral scanning (IOS).
    • To evaluate the correspondence between two analysis applications (Geomagic Qualify and Oracheck) for wear assessment.

    Main Methods:

    • Baseline data of a metal phantom tooth were acquired using WLP and IOS.
    • Simulated wear was applied to the tooth at three stages ([wear1], [wear2], [wear3]).
    • Maximum vertical height loss was calculated by comparing post-wear scans to baseline data using both WLP and IOS, analyzed with Geomagic Qualify and Oracheck.

    Main Results:

    • Differences between WLP and IOS data ranged up to 12.6% (15 µm), with one outlier at 16%.
    • Analysis using Geomagic Qualify and Oracheck showed maximum differences between +7% and -6.7% for corresponding wear facets.
    • Both analysis applications demonstrated acceptable reliability for wear measurement.

    Conclusions:

    • Intraoral scanning (IOS) presents a cost-effective, rapid, and user-friendly tool for clinical screening of tooth wear.
    • The tested analysis applications, Geomagic Qualify and Oracheck, are interchangeable for wear measurement due to minor variations.
    • Digital scanning technologies show promise for routine clinical application in assessing dental wear.