Journal of Technologic Dentistry (대한치과기공학회지)

Korean Academy of Dental Technology (대한치과기공학회)
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Comparative analysis of strain according to the deposition of a constant temperature water bath of a denture-base artificial tooth produced using three-dimensional printing ultraviolet-curing resin

3D 프린팅용 광경화 수지를 사용하여 제작한 의치상용 인공치아의 항온수조 침적에 따른 변형률 비교 분석

  • Kim, Dong-Yeon (4RD Dental Laboratory) ;
  • Lee, Gwang-Young (Department of Dental Laboratory Technology, Wonkwang Health Science University) ;
  • Kim, Jae-Hong (Department of Dental Laboratory Science, College of Health Science, Catholic University of Pusan) ;
  • Yang, Cheon-Seung (Department of Dental Laboratory, Donga University of Health)
  • 김동연 (폴드 치과기공소) ;
  • 이광영 (원광보건대학교 치기공과) ;
  • 김재홍 (부산가톨릭대학교 보건과학대학 치기공학과) ;
  • 양천승 (동아보건대학교 치기공과)
  • Received : 2020.07.17
  • Accepted : 2020.08.28
  • Published : 2020.09.30
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Abstract

Purpose: This study is a comparative analysis of the strain according to deposition in a constant temperature water bath after manufacturing ultraviolet (UV)-cured artificial teeth. Methods: As a control group, 10 ready-made artificial teeth were selected as the first molar on the right side of the maxilla (RT group). Silicone was used as a duplicate of the artificial denture teeth. Experimental teeth were prepared in two groups using the prepared silicone mold. In the first experimental group, the UV-cured resin was injected into the negative silicone, followed by irradiation with a UV-curing machine for 5 minutes (5M group). In the second experimental group, the UV-cured resin was injected into the negative silicone, and then irradiated for 30 minutes using a UV-curing machine (30M group). The one-way ANOVA was performed, and post-test was analyzed by Tukey. Results: When immersed in a water bath for 15 days, it was found to be -0.3% in the RT group, -0.6% in the 5M group, and -0.7% in the 30M group. The results revealed -0.2% in the RT group, 0.2% in the 5M group, and -0.2% in the 30M group when they were in the bath for 30 days. Conclusion: In the water bath, the swelling was greater when deposited for 1 to 15 days, but was less when deposited for 15 to 30 days.

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References

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