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  • Title: Three-dimensional evaluation of the repeatability of scans of stone models and impressions using a blue LED scanner.
    Author: Jeon JH, Jung ID, Kim JH, Kim HY, Kim WC.
    Journal: Dent Mater J; 2015; 34(5):686-91. PubMed ID: 26438993.
    Abstract:
    In this study, we evaluated the repeatability of scans of stone models and impressions of abutment teeth using a blue LED scanner and compared the findings between different abutment teeth types. For the stone models as well as impression of the canines, premolars, and molars, we generated 10 color-difference-maps and reports for each tooth type (n=10 per tooth type). One-way analysis of variance (ANOVA) and independent t-tests were performed to evaluate the repeatability of scans of the stone models and impressions obtained from a blue LED scanner. Our results indicate a high repeatability of scans of stone models and impressions of abutment teeth using the blue LED scanner and suggest a possible clinical advantage for scanning impressions of different abutment teeth types.
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