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http://dx.doi.org/10.14347/kadt.2020.42.2.107

A study of shrinkage and expansion for dental casting process  

Kim, Yung-Hoon (Department of Dental Laboratory Technology, Wonkwang Health Science University)
Publication Information
Journal of Technologic Dentistry / v.42, no.2, 2020 , pp. 107-112 More about this Journal
Abstract
Purpose: This study compares how accurately the specimen produced by the machining method and the rapid prototyping method is produced and how much dimensional error occurs with the finished casting body, and presents the results as experimental comparative data. Methods: Specimens produced using a digital processing method were cast by a conventional dental casting process, and dimensional changes of the finished casting body were measured to compare shrinkage and expansion. Results: In the control group that did not artificially induce large swelling, the dimensional error was the smallest, and the shrinkage and expansion reactions cannot be elimainated in all processes. Conclusion: The shrinkage and expansion depend on the given conditions, so if there is a change in the traditional dental casting process, it is necessary to adjust all the parameters to obtain an accurate casting body.
Keywords
CAD/CAM; Casting; Expansion; Investment; Machining; Shrinkage;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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