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Investigation of the Accuracy of Four Intraoral Scanners in Mandibular Full-Arch Digital Implant Impression: A Comparative In Vitro Study

Author

Listed:
  • Adolfo Di Fiore

    (Department of Neurosciences, Section of Prosthetic and Digital Dentistry, University of Padova, 35100 Padova, Italy)

  • Lorenzo Graiff

    (Department of Neurosciences, Section of Prosthetic and Digital Dentistry, University of Padova, 35100 Padova, Italy)

  • Gianpaolo Savio

    (Departments of Civil, Environmental and Architectural Engineering, University of Padova, 35100 Padova, Italy)

  • Stefano Granata

    (Department of Neurosciences, Section of Prosthetic and Digital Dentistry, University of Padova, 35100 Padova, Italy)

  • Michele Basilicata

    (Department of Systems Medicine, University of Rome Tor Vergata, 00133 Roma, Italy)

  • Patrizio Bollero

    (Department of Systems Medicine, University of Rome Tor Vergata, 00133 Roma, Italy)

  • Roberto Meneghello

    (Department of Management and Engineering, University of Padova, 35100 Padova, Italy)

Abstract

Background: We compare the accuracy of new intraoral scanners (IOSs) in full-arch digital implant impressions. Methods: A master model with six scan bodies was milled in poly(methyl methacrylate), measured by using a coordinate measuring machine, and scanned 15 times with four IOSs: PrimeScan, Medit i500, Vatech EZ scan, and iTero. The software was developed to identify the position points on each scan body. The 3D position and distance analysis were performed. Results: The average and ± standard deviation of the 3D position analysis was 29 μm ± 6 μm for PrimeScan, 39 μm ± 6 μm for iTero, 48 μm ± 18 μm for Mediti500, and 118 μm ± 24 μm for Vatech EZ scan ( p < 0.05). Conclusions: All IOSs are able to make a digital complete implant impression in vitro according to the average misfit value reported in literature (150 μm); however, the 3D distance analysis showed that only the Primescan and iTero presented negligible systematic error sources.

Suggested Citation

  • Adolfo Di Fiore & Lorenzo Graiff & Gianpaolo Savio & Stefano Granata & Michele Basilicata & Patrizio Bollero & Roberto Meneghello, 2022. "Investigation of the Accuracy of Four Intraoral Scanners in Mandibular Full-Arch Digital Implant Impression: A Comparative In Vitro Study," IJERPH, MDPI, vol. 19(8), pages 1-6, April.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:8:p:4719-:d:793286
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    Cited by:

    1. Antonio Gracco & Alberto De Stefani & Giovanni Bruno, 2023. "Influence of New Technology in Dental Care: A Public Health Perspective," IJERPH, MDPI, vol. 20(7), pages 1-2, April.

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