The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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Evaluation of Surface Condition and Food Solution on the Color Stability of Dental Restoration Materials

표면 상태와 용액에 따른 치과용 수복재료의 색안정도 평가

  • 우희선 (수원여자대학교 치위생과) ;
  • 김효진 (경동대학교 치위생학과) ;
  • 전수경 (경동대학교 치위생학과)
  • Received : 2019.01.21
  • Accepted : 2019.01.30
  • Published : 2019.04.28
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Abstract

For this study, specimens were prepared using five types of composite resin and resin-reinforced glass ionomer Fuji II LC, and 29 days precipitation was done in four kinds of solution, which were soy sauce, gochujang, wine, and distilled water. Ten specimens for each coloring sample were divided into two groups, one those surfaces was polyester film and the other with 1200-grit abrasive paper, and 20 specimens per materials. Color change (${\Delta}{\ast}ab$) in the colored specimens is measured in 2days, 7days, 14days and 29days using spectrophotometer (CM-2600d, Konica, Minolta, Ramsey, NJ). All values were considered significant when P<0.05. 1. Each material is discolored over time under the influence of different storage solutions. 2. In soy source, among the specimens polished with polyester film, color change was observed in resin-modified glass ionomer Fuji II LC, prodigy and compomer F-2000 on day 2. Meanwhile, Fuji II LC showed noticeable color change in specimens prepared with 1200-grit sandpaper on day 2, which was followed by flowable resin on day 7. 3. On day 2, there was a color change with the specimens of flowable resin, resin-modified glass ionomer Fuji II LC and Prodigy among the hybrid specimen in the groups of polyester film in gochujang.

본 연구는 치과용 수복재료의 연마유무에 따라 여러 가지 착색용액에서 색의 안정성을 보기 위해 유동성 레진, 하이브리드 레진, 컴포머, 레진강화형 글라스 아이오노머를 이용하여 평가하였다. 치과용 수복재료인 컴포짓트 레진을 테플론 몰드로 직경10 mm, 두께 2 mm 시편을 제작하였으며, 두 군으로 나누어 한 군은 연마지를 이용하여 20초간 연마하였고, 다른 한 군은 연마하지 않고 평가하였다. 실험 결과 기간과 재료별 착색시료 간에는 통계학적으로 유의한 차이가 있었다(p<0.05). 간장과 고추장에서는 레진 강화형 글라스 아이오노머 Fuji II LC와 하이브리드 레진 중 Prodigy에서 2일째 수용도 역치 이상의 색 변화가 나타났으며, 연마지를 사용한 군에서는 간장용액에서는 레진 강화형 글라스 아이오노머 Fuji II LC가 2일째에 색변화가 있었으며, 고추장용액에서는 유동성레진과 하이브리드 레진 중 Prodigy에서 7일째 색변화가 나타났다. 와인용액에서는 컴포머와 하이브리드 레진 중 Prodigy에서 2일째 색 변화가 나타났으며, 연마지를 사용한 군에서는 컴포머에서 2일째 수용도 역치 이상의 색 변화를 볼 수 있었다. 향후 레진 표면의 활택도에 따라 착색에 영향을 줄 수 있으므로 향후 다양한 연마방법을 통한 연구가 진행되어야 할 것으로 사료된다.

Keywords

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Fig. 1. Color change (ΔE*ab)of the composite resinin soy sauce solution over time(days) FL, PY,APX, CP, F2,GI

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Fig. 2. Color change (ΔE*ab)of the composite resin in Gochujang over time(days) FL, PY, APX, CP, F2,GI

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Fig. 3. Color change (ΔE*ab)of the composite resinin wine over time(days) FL, PY, APX, CP,F2,GI.

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Fig. 4. Color change (ΔE*ab)of the composite resin in distilled water over time(days) FL, PY, APX, CP, F2,GI

Table 1. Mean color change(SD) of soy sauce in process of time in FL, PY, APX, CP, F2,GI

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Table 2. Mean color change(SD) of Gochujang in process of time in FL, PY, APX, CP, F2,GI

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Table 3. Mean color change(SD) of Red wine in process of time in FL, PY, APX, CP, F2,GI

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Table 4. Mean color change(SD) of distilled water in process of time in FL, PY, APX, CP, F2,GI

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Table 5. Results of repeated measure ANOVA on total color change(Δ*ab)

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