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Volume 34 , Issue 2
March/April 2021
Pages 250–253

Trueness of Intraoral Scanners Considering Operator Experience and Three Different Implant Scenarios: A Preliminary Report

Luigi Canullo, DDS, PhD/Marco Colombo, DDS/Maria Menini, DDS, PhD/Patrizia Sorge, DDS/Paolo Pesce

PMID: 32589002
DOI: 10.11607/ijp.6224

Purpose: To evaluate the trueness of two intraoral scanners in different clinical situations and considering operator experience. Materials and Methods: Two intraoral scanner systems were used to perform a total of 120 digital impressions of three master casts reproducing three scenarios (single implant, two implants, and four implants [full-arch]). Two operators, one experienced and one unexperienced, were selected. Results: No differences were found between the two operators. A statistically significant correlation was found with regard to the scanning system used and the clinical scenario analyzed. Conclusions: Within the limits of this preliminary report, operator experience seems not able to significantly influence the trueness of a digital impression; however, imprecision increased in the full-arch cases for both operators. The two-implant scenario presented similar trueness values for both scanner systems.

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