Factors Affecting Trueness of Intraoral Scans: An Update

Background: Intraoral scanning (IOS) technologies have been constantly developed and improved. This systematic review aimed at assessing studies in the recent literature describing factors that influence the trueness of intraoral scans. Methods: Comparative in vitro and in vivo (i.e., interventional...

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Bibliographic Details
Published in:Applied sciences 2022-07, Vol.12 (13), p.6675
Main Authors: Cortes, Arthur Rodriguez Gonzalez, Agius, Anne-Marie, No-Cortes, Juliana
Format: Article
Language:English
Subjects:
Accuracy
Bias
computer-aided design
Dentistry
Edentulous
In vitro methods and tests
In vivo methods and tests
intraoral scanning
Observational studies
Reproducibility
Scanners
Scanning
software
Systematic review
Transplants & implants
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Summary:Background: Intraoral scanning (IOS) technologies have been constantly developed and improved. This systematic review aimed at assessing studies in the recent literature describing factors that influence the trueness of intraoral scans. Methods: Comparative in vitro and in vivo (i.e., interventional and observational) studies that quantitatively assessed the trueness of intraoral scans and that identified factors significantly affecting IOS trueness values were considered eligible for inclusion. The PUBMED and EMBASE databases were searched for articles published in the last two years (from February 2020 to February 2022). Data assessment and extraction were performed according to the guidelines of the PRISMA statement. Results: The present search strategy yielded 13 publications. An initial screening of the publications was performed using abstracts and key words, and after application of exclusion criteria, a total of nine studies were finally identified as eligible to be discussed. Several factors significantly affecting IOS were identified. Conclusions: Studies using current IOS technologies revealed that the device, scanning distance, operator experience, rescanning and post-processing scans, conditions of the preparations and presence of adjacent teeth are factors significantly affecting IOS trueness.
ISSN:2076-3417
2076-3417
DOI:10.3390/app12136675