Trueness and precision of digital impressions obtained using an intraoral scanner with different head size in the partially edentulous mandible Hironari.

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Trueness and precision of digital impressions obtained using an intraoral scanner with different head size in the partially edentulous mandible Hironari Hayama, Kenji Fueki, Juro Wadachi, Noriyuki Wakabayashi Journal of Prosthodontic Research Volume 62, Issue 3, Pages 347-352 (July 2018) DOI: 10.1016/j.jpor.2018.01.003 Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 1 Scanning operation. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 2 Box plot demonstrating accuracy measurements reflecting trueness. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 3 Color-coded deviation maps showing superposition of the scan data and the reference data after applying the best-fit method and making a 3D comparison with Geomagic studio software, for evaluation of trueness. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 4 Box plot demonstrating accuracy measurement reflecting precision. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 5 Color-coded deviation maps within each test group (two optional deviations in each of the reference data, conventional data, and digital impression data), after applying the best-fit method and making a 3D comparison by Geomagic studio software for evaluation of precision. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions

Fig. 6 Number of scans required to obtain digital impressions using an intraoral scanner with a large or a small scanning head. Journal of Prosthodontic Research 2018 62, 347-352DOI: (10.1016/j.jpor.2018.01.003) Copyright © 2018 Japan Prosthodontic Society Terms and Conditions