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KMID : 0362420210590010011
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Journal of Korean Academy of Prosthodontics
2021 Volume.59 No. 1 p.11 ~ p.17
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Comparative analysis of distance measurement on the rendering screen between dental CAD programs
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Cha Cheol-Ho
Lim Seon-Young
Bang Ju-Hyuk
Kim Seong-Ah
Kim Seong-Yong
Lee Yong-Sang
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Abstract
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Purpose: This study was to find out whether the rendering screen difference affect to measuring distance in a CAD program according to three types of CAD programs.
Materials and methods: The model presented in ISO 12836 for dental scanner evaluation was reduced by 70%. This model was repeatedly scanned 15 times using Trios II (3Shape, Denmark). Using the output STL file, 3Shape CAD, inLab 15, and ExoCAD programs were used to measure the horizontal distance (H) and vertical distance (V) between adjacent point angle, and for each experiment, three groups were set according to the CAD program type. Statistical analysis was performed using One-way ANOVA test and post hoc was performed using Dunnett T3 test.
Results: In the horizontal and vertical distance measurement, there was no difference in the average of the measured values between the three groups according to the CAD program (P>.05).
Conclusion: There were no effect of the difference in the rendering screen in the horizontal and vertical linear distance measurements of the inlay model on the dental CAD program.
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KEYWORD
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Computer-aided design, Computer-aided manufacturing, Marginal adaptation
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