8/11/2023 0 Comments Cerec bluecam image captureThe deviation pattern varied distinctly depending on the impression method. The precision ranged from 18.8 (CI) to 58.5 μm (T-Tray), with the highest precision in the CI, T-Def, BC4.0, TRC, and TRI groups. The values for all test groups were statistically compared. Precision was calculated using the Perc90_10 value. Differences from model surfaces were measured using a normal surface distance method. The impressions were then superimposed within the test groups. Impressions were taken three times for each of five subjects (n = 15). Impressions were obtained via two conventional (metal full-arch tray, CI, and triple tray, T-Tray) and seven digital impression systems (Lava True Definition Scanner, T-Def Lava Chairside Oral Scanner, COS Cadent iTero, ITE 3Shape Trios, TRI 3Shape Trios Color, TRC CEREC Bluecam, Software 4.0, BC4.0 CEREC Bluecam, Software 4.2, BC4.2 and CEREC Omnicam, OC). The aim of this study is to assess the precision of digital quadrant impressions in vivo in comparison to conventional impression techniques. Digital impression systems provide the ability to take these impressions very quickly however, few studies have investigated the accuracy of the technique in vivo. Quadrant impressions are commonly used as alternative to full-arch impressions.
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