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Related Concept Videos

Statistical Analysis: Overview01:11

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Related Experiment Video

Updated: Nov 3, 2025

Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI
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Do different methods of digital data analysis lead to different results?

Alexander Schmidt, Jan-Wilhelm Billig, Maximiliane Amelie Schlenz

    International Journal of Computerized Dentistry
    |June 4, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Coordinate-based analysis (CBA) is better for detecting influencing factors in dental digital data, while best-fit superimposition analysis is more clinically relevant but may mask errors. Both methods are crucial for different aspects of accuracy testing.

    Keywords:
    accuracybest-fit analysisdigital dentistryimplant impressionintraoral scannerprecisiontruenessdimensional measurement accuracy

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    Area of Science:

    • Dental materials science
    • Digital dentistry
    • Metrology in dentistry

    Background:

    • Assessing metric accuracy in dental research requires comparing actual and reference datasets.
    • Transfer accuracy tests are vital for evaluating digital impression methods.
    • Various measurement techniques exist, necessitating comparative analysis.

    Purpose of the Study:

    • To analyze the influence and effect of coordinate-based analysis (CBA) versus best-fit superimposition analysis on digital data.
    • To compare the accuracy of different scan bodies and their impact on digital impression analysis.
    • To determine the most suitable analysis method for specific dental research objectives.

    Main Methods:

    • A master model with four implants was created and digitized using computed tomography (CT).
    • Ten digital impressions were captured using a Trios (3Shape) intraoral scanner with three distinct scan bodies.
    • Deviations were analyzed using coordinate-based analysis (CBA) and best-fit superimposition analysis, with statistical analysis performed using SPSS 25.

    Main Results:

    • Coordinate-based analysis (CBA) revealed significant differences between implant positions and digital measurements.
    • Best-fit superimposition analysis showed no significant differences between scan bodies or implant positions.
    • Deviations ranged from 0.042 ± 0.010 mm to 0.199 ± 0.021 mm depending on the analysis method and scan body used.

    Conclusions:

    • Coordinate-based analysis (CBA) excels at identifying influencing factors for scientific research.
    • Best-fit superimposition analysis is better for clinical try-in visualization but may obscure errors.
    • A combination of both analysis methods may be necessary for comprehensive evaluation in dental digital workflows.