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논문 기본 정보

자료유형
학술저널
저자정보
김상하 (Shinhan University) 이청재 (신흥대학 치기공과)
저널정보
대한예방치과학회 International Journal of Clinical Preventive Dentistry International Journal of Clinical Preventive Dentistry Vol.18 No.1
발행연도
2022.3
수록면
22 - 24 (3page)

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초록· 키워드

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Objective: The purpose of this study was to evaluate how much the shrinkage of a zirconia specimen differs from the design. Methods: A specimen model was produced and tested using ready-made abutments. Two zirconia block manufacturers were manufactured and processed a total of 30 specimens (15 specimens each) in the shape of a cuboid for ease of length measurement. Results: When the average length was compared to the original design, the block of company K showed a difference in length of 0.003 mm, 0.0013 mm, 0.0123 mm, and 0.0037 mm by location, whereas the block of company C showed a length difference of 0.009 mm, 0.002 mm, 0.363 mm, 0.1123 mm, and 0.025 mm. Conclusion: In the case of company K, the result was smaller than the original, whereas in the case of company C, the result was larger than the original, and the block of company K produced a result that was closer to the original design. In addition, when the actual specimen was mounted on the test piece, 1 out of 15 for company K and 8 out of 15 for company C showed an insufficient fit.

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