Fig. 4From: Effect of assistive devices on the precision of digital impressions for implants placed in edentulous maxilla: an in vitro studyColor-coded deviation maps of surface deviation. They were produced by superimposing two STL datasets through the best-fit algorithm in each IOS for Type 0, 2, and VJ, CON. CON conventional impression, IOS intra-oral scanners, VJ verification jigBack to article page