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논문검색

Original Article

3D 프린팅용 광 중합 수지의 두께에 따른 수축 비교

원문정보

Comparison of shrinkage according to thickness of photopolymerization resin for 3D printing

김동연, 김재홍

피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

Purpose: To perform a comparative study on curing shrinkage according to the thickness of photopolymerization resin. Methods: Stainless steel molds of 2, 4, and 6 mm heights were prepared. The 2, 4, and 6 mm-height molds were classified as the 2H, 4H, and 6H groups, respectively. A photopolymerization resin was injected into the stainless steel mold. Photopolymerization was carried out using a photopolymer machine. During photopolymerization, the wavelength and intensity of 400~405 nm were set to 10, the highest intensity among 1~10. Photopolymerization was performed for 30 min per specimen (each group=10). The inner and outer areas of the specimen were measured. The data were analyzed using one-way ANOVA and Kruskal–Wallis H test (α=0.05). Results: In terms of the inner and outer diameters of the photopolymerization resin specimen, the 2H group contracted the most, whereas the 6H group contracted the least. A statistically significant difference was found between the groups (p<0.05). Conclusion: The amount of light irradiation of the photopolymerization resin must be adjusted according to the thickness.

목차

Abstract
INTRODUCTION
MATERIALS AND METHODS
1. 스테인리스강 몰드 준비
2. 시편 제작
3. 광 중합
4. 시편 측정
5. 통계 분석
RESULTS
DISCUSSION
CONCLUSIONS
CONFLICT OF INTEREST
ORCID
REFERENCES

저자정보

  • 김동연 Dong-Yeon Kim. 폴드 치과기공소
  • 김재홍 Jae-Hong Kim. 부산가톨릭대학교 보건과학대학 치기공학과

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