Table 1.
Features of the IOSs investigated in this study
| Name | Manufacturer | Acquisition technology | Output files |
|---|---|---|---|
| ITERO ELEMENTS 5D® | Align Technologies, San Josè, CA, USA | Parallel Confocal Microscopy |
3ds (proprietary format); ply and stl (open formats) |
| PRIMESCAN® | Dentsply Sirona, York, PN, USA | High-resolution Sensors and Shortwave Light with Optical High Frequency Contrast Analysis for Dynamic Deep Scan (20 mm) |
dxd (proprietary format) with possibility to export .stl files (open format) with Cerec Connect® |
| OMNICAM® | Optical Triangulation and Confocal Microscopy | cs3, sdt, cdt, idt (proprietary format) with possibility to export .stl files (open format) with Cerec Connect® | |
| CS 3700® | Carestream Dental, Atlanta, GA, USA | Active Triangulation with Smart-shade Matching via Bidirectional Reflectance Distribution Function |
dcm (proprietary format); ply and stl (open formats) |
| CS 3600® | LED light scanner -Active Speed 3D Video | csz (proprietary format), ply and stl (open formats) | |
| TRIOS3® | 3-Shape, Copenhagen, Denmark | Confocal Microscopy and Ultrafast Optical Scanning | dcm (proprietary format), with possibility to export stl files (open formats) with Trios on Dental Desktop® |
| i-500® | Medit, Seoul, South Korea | 3D in Motion Video Technology | obj, ply and stl (open formats) |
| EMERALD S® | Planmeca, Helsinki, Finland | Red, green and blue lasers- Projected Pattern Triangulation | 3oxz (proprietary format), ply and stl (open formats) |
| EMERALD® | Red, green and blue lasers- Projected Pattern Triangulation | 3oxz (proprietary format), ply and stl (open formats) | |
| VIRTUOVIVO® | Dentalwings, Montreal, Canada | Blue laser-Multiscan Imaging Technology | xorder (proprietary format); ply, stl (open format) |
| DWIO® | Blue laser-Multiscan Imaging Technology | xorder (proprietary format); ply, stl (open format) | |
| RUNEYES® | Runeyes MI, Ningbo, Zhejiang, China | Synchronous 3D Video Quick Technology | obj, ply and stl (open formats) |