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Comparison of reproducibility of prepared tooth impression scanning utilized with white and blue light scanners
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ÀüÁøÈÆ:Jeong Jin-Hun
¼ºÈ¯°æ:Sung Hwan-Kyung/¹Îº´±¹:Min Byung-Kuk/ȲÀç¼±:Hwang Jae-Sun/±èÁöȯ:Kim Ji-Hwan/±è¿õö:Kim Woong-Chul
KMID : 0362120150370040213
Abstract
Purpose: The purpose of this study compared of reproducibility of prepared tooth impression scanning utilized with white and blue light scanners.
Methods: To evaluate reproducibility with white and blue light scanners, the impression of premolar were rotated by 10¡Æ~20¡Æ and scanned. These data were compared with the first 3-D data (STL file), and the error sizes were measured (n=5). Independent t test was used to evaluation the reproducibility of impression of premolar with white versus blue light scanners through discrepancies of mean, RMS (¥á=0.05).
Results: Discrepancies of mean with regard to reproducibility were 11.2§, 5.8§, respectively, with white and blue light scanners (p<0.047). And discrepancies of RMS with regard to reproducibility were 33.4§, 18.8§, respectively, with white and blue light scanners (p<0.045).
Conclusion: Our results indicate a good reproducibility of prepared tooth impression digitized with blue light scanner more than that with white light scanner.
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white light scanner; blue light scanner; reproducibility; color-difference-map
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