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

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

대한치과기공학회지 2020년 42권 3호 p.202 ~ 207
김동연, 이광영, 김재홍, 양천승,
소속 상세정보
김동연 ( Kim Dong-Yeon ) - 4RD Dental Laboratory
이광영 ( Lee Gwang-Young ) - Wonkwang Health Science University Department of Dental Laboratory Technology
김재홍 ( Kim Jae-Hong ) - Catholic University of Pusan College of Health Sciences Department of Dental Laboratory Science
양천승 ( Yang Cheon-Seung ) - Donga University of Health Department of Dental Laboratory

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.

키워드

Artificial; Dentures; Molar; Tooth

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