Reliability of measurements between conventional casts, laser scanned casts and intraoral scanning

Document Type : Original Article

Authors

1 Orthodontic Department, Alexandria University

2 Orthodontic department, Alexandria University

Abstract

The aim of this study was to compare tooth measurements obtained by two differently acquired digital model and conventional plaster cast measurements. Materials and methods: This study comprised 40 patients. Digital casts were obtained by two methods; Intraoral scanning by carestream intraoral scanner CS3600 powder free and model scanning by cast scanner Sirona InEos X5 scanner. Three study groups were obtained; Group 1: conventional dental casts ,group 2: digital casts obtained with powder free intraoral scanning and group 3: digital casts obtained by cast scanner. Intercanine and intermolar widths in addition to individual tooth measurements were made using Viewbox program for digital casts and digital caliper for the plaster cast. Results: No statistical significant difference between three groups regarding all measurements had been found. Conclusion:The results of this study confirm the potential of intraoral scanning to acquire data as accurate as alginate impressions as well as scanned digital casts for orthodontic applications

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