Abstract
Introduction: Intraoral scanners are used for capturing the direct optical impressions in dentistry. The development of 3D technology and the rising trend of increased use of intra-oral scanners in dental office routine lead to the need to assess the accuracy of intraoral digital impressions. Aim: The aim of this review was to assess the accuracy of the different intraoral scanners and the effect of different variables on the accuracy outcome. Materials and Methods: An electronic search using Pubmed with specific keywords were used to obtain potential references for the review. Results: Total 21 articles were selected according to the inclusion criteria of which 18 were in vitro studies and 3 were in vivo, 15 articles had studied full arch scanning. Conclusion: The studies indicated variable outcome of the different intraoral scanner systems. While the accuracy of intraoral scanner systems appears to be promising and comparable to conventional methods, they are still vulnerable to inaccuracies. Keywords: Digital impression, Optical impression, Intraoral scanner, Accuracy.
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