첨가법에 의해 제작된 단관의 내면 적합도 분석
Analysis of internal fitness of single crown fabricated by additive method
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김원수:Kim Won-Soo
저자없음:No authors listed
KMID : 0362120150370040229
Abstract
Purpose: The purpose of this study was to analysis the internal fitness of single crown fabricated by additive method technique.
Methods: Study models were fabricated. Ten crowns were manufactured by additive method technique (AM group) and another ten crowns using conventional method were manufactured (CM group). The internal fitness of specimens were measured using silicone replica technique. Silicone replicas were sectioned one times (direction: from mesial to distal). The internal fitness were evaluated using by digital microscope. Statistical analyses were performed with independent samples t-test. (α=0.05).
Results: Mean(SD) of all internal fitness were 92.1(20.0)㎛ for AM group and 69.7(12.3)㎛ for CM group. Two groups were statistically significant differences (p<0.001).
Conclusion: All internal gaps of AM group were ranged within the clinical recommendation (120ß≠).
키워드
Additive manufacturing; Fitness; Internal fit; Single crown
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