Intraoral digital scans-Part 1: Influence of ambient scanning light conditions on the accuracy (trueness and precision) of different intraoral scanners

Revilla-León, Marta; Jiang, Peng; Sadeghpour, Mehrad; Piedra-Cascón, Wenceslao; Zandinejad, Amirali; Özcan, Mutlu; Krishnamurthy, Vinayak R

doi:10.1016/j.prosdent.2019.06.003

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Revilla-León, M., Jiang, P., Sadeghpour, M., Piedra-Cascón, W., Zandinejad, A., Özcan, M., & Krishnamurthy, V. R. (2020). Intraoral digital scans-Part 1: Influence of ambient scanning light conditions on the accuracy (trueness and precision) of different intraoral scanners. Journal of Prosthetic Dentistry, 124(3), 372–378. https://doi.org/10.1016/j.prosdent.2019.06.003

Abstract

STATEMENT OF PROBLEM Digital scans have increasingly become an alternative to conventional impressions. Although previous studies have analyzed the accuracy of the available intraoral scanners (IOSs), the effect of the light scanning conditions on the accuracy of those IOS systems remains unclear. PURPOSE The purpose of this in vitro study was to measure the impact of lighting conditions on the accuracy (trueness and precision) of different IOSs. MATERIAL AND METHODS A typodont was digitized by using an extraoral scanner (L2i; Imetric