본 연구에서는 측정장치의 compliance 유무가 복합레진의 중합수축응력 측정에 미치는 영향을 알아보았다. 변위센서, cantilever load cell과 부궤환 (negative feedback) 시스템을 적용하여 compliance를 허...
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https://www.riss.kr/link?id=A76518068
2009
Korean
510
KCI등재
학술저널
145-153(9쪽)
5
0
상세조회0
다운로드국문 초록 (Abstract)
본 연구에서는 측정장치의 compliance 유무가 복합레진의 중합수축응력 측정에 미치는 영향을 알아보았다. 변위센서, cantilever load cell과 부궤환 (negative feedback) 시스템을 적용하여 compliance를 허...
본 연구에서는 측정장치의 compliance 유무가 복합레진의 중합수축응력 측정에 미치는 영향을 알아보았다. 변위센서, cantilever load cell과 부궤환 (negative feedback) 시스템을 적용하여 compliance를 허용하는 것과 허용하지 않는 두 가지 모드로 중합수축응력의 측정이 가능한 stress-strain analyzer를 제작하였다.
한 종의 flowable (Filtek Flow: FF) 복합레진과 두 종의 universal hybrid (Z100: Zl and Z250: Z2) 복합레진이 사용되었다. Load cell의 끝과 base pIate에 고정된 직경 3.0 mm의 금속 막대에 silane을 처리하였다. 1.0 mm의 거리로 고정한 두 개의 금속 막대 사이에 복합레진을 적용한 후 광중합을 하였다. 복합레진의 수직 중합수축률과 중합수축응력을 10 분 동안 기록하였고 인장탄성계수도 구하였다. 통계처리는 일원분산분석과 paired t-test를 시행하였고 95% 유의수준에서 Tukey's test로 사후 검정하였다.
측정된 중합수축 응력은 재료와 compliance의 유무에 따라 큰 차이를 보였다. Compliance를 허용한 모드에서 중합수축응력은 FF: 3.11 (0.13)이 가장 컸으며 Z1: 2.91 (0.10), Z2: 1.94 (0.09) MPa의 순서였다. 측정장치의 compliance를 허용하지 않은 경우에는 Z1: 17.08 (0.89)이 가장 컸고 FF: 10.11 (0.29), Z2.9,46 (1.63) MPa의 순이었다. 또한 Z1, Z2, FF의 인장탄성계수는 각각 2,31 (0.18), 2.05 (0.20), 1.41 (0.11) GPa 이었다. 중합수축응력은 compliance mode에서는 복합레진의 수직 중합수축률이 주요 영향 요인이었으며, compliance를 배제한 모드에서는 탄성계수의 효과가 지배적이었다.
다국어 초록 (Multilingual Abstract)
The purpose of this study was to evaluate the effect of instrument compliance on the polymerization shrinkage stress measurements of dental composites. The contraction strain and stress of composites during light curing were measured by a custom made ...
The purpose of this study was to evaluate the effect of instrument compliance on the polymerization shrinkage stress measurements of dental composites. The contraction strain and stress of composites during light curing were measured by a custom made stress-strain analyzer, which consisted of a displacement sensor, a cantilever load cell and a negative feedback mechanism. The instrument can measure the polymerization stress by two modes with compliance mode in which the instrument compliance is allowed or without compliance mode in which the instrument compliance is not allowed.
A flowable (Filtek Flow: FF) and two universal hybrid (Z100:ZI and Z250: Z2) composites were studied. A silane treated metal rod with a diameter of 3.0 mm was fixed at free end of the load cell and other metal rod was fixed on the base plate. Composite of 1.0 mm thickness was placed between the two rods and light cured. The axial shrinkage strain and stress of the composite were recorded for 10 minutes during polymerization and the tensile modulus of the materials was also determined with the instrument. The statistical analysis was conducted by ANOVA paired t-test and Tukey's test (α<0.05)
There were significant differences between the two measurement. modes and among material. With compliance mode, the contraction stress of FF was the highest: 3.11 (0.13) followed by Zl: 2.91 (0.10) and Z2: 1.94 (0.09) MPa. When the instrument compliance is not allowed the contraction stress of Zl was the highest: 17.08 (0.89) followed by FF: 10.11 (0.29) and Z2: 9.46 (1.63) MPa. The tensile modulus for Zl, Z2 and FF was 2.31 (0.18), 2.05(0.20), 1.41 (0.11) GPa respectively. With compliance mode the measured stress correlated with the axial shrinkage strain of composite while without compliance the elastic modulus of materials played a significant role in the stress measurement.
참고문헌 (Reference)
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7 Kleverlaan CJ, "Polymerization shrinkage and contraction stress of dental resin composites" 21 (21): 1150-1157, 2005
8 Chen HY, "Polymerization contraction stress in light-cured packable composite resins" 17 (17): 253-259, 2001
9 Chen HY, "Polymerization contraction stress in light-cured compomer restorative materials" 19 (19): 597-602, 2003
10 Watts DC, "Photo-polymerization shrinkage-stress kinetics in resin-composites: methods development" 19 (19): 1-11, 2003
1 이인복, "수직 진동형 Rheometer를 이용한 복합레진의 유변학적 성질의 측정" 대한치과보존학회 29 (29): 489-497, 2004
2 라성호, "광조사 강도가 복합레진의 중합반응속도에 미치는 영향에 관한 실시간 체적측정법을 이용한 연구" 대한치과보존학회 27 (27): 135-141, 2002
3 Watts DC, "Shrinkage stress reduction in resin-composites of increasing particle concentration (abstract 2444)" 81 : a-308, 2002
4 Feilzer AJ, "Setting stress in composite resin in relation to configuration of the restoration" 66 (66): 1636-1639, 1987
5 Lu H, "Probing the origins and control of shrinkage stress in dental resin-composites: I. Shrinkage stress characterization technique" 15 (15): 1097-1103, 2004
6 Labella R, "Polymerization shrinkage and elasticity of flowable composites and filled adhesives" 15 (15): 128-137, 1999
7 Kleverlaan CJ, "Polymerization shrinkage and contraction stress of dental resin composites" 21 (21): 1150-1157, 2005
8 Chen HY, "Polymerization contraction stress in light-cured packable composite resins" 17 (17): 253-259, 2001
9 Chen HY, "Polymerization contraction stress in light-cured compomer restorative materials" 19 (19): 597-602, 2003
10 Watts DC, "Photo-polymerization shrinkage-stress kinetics in resin-composites: methods development" 19 (19): 1-11, 2003
11 Song YX, "Linear shrinkage of photo-activated composite resins during setting" 28 (28): 335-341, 2001
12 Venhoven BA, "Light initiation of dental resins: dynamics of the polymerization" 17 (17): 2313-2318, 1996
13 Lee SH, "Influence of instrument compliance and specimen thickness on the polymerization shrinkage stress measurement of lightcured composites" 23 (23): 1097-1100, 2007
14 Lee MR, "Influence of cavity dimension and restoration methods on the cusp deflection of premolars in composite restoration" 23 (23): 288-295, 2007
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18 Lutz E, "Elimination of polymerization stresses at the margins of posterior composite resin restorations: a new restorative technique" 17 (17): 777-784, 1986
19 Bouschlicher MR, "Effect of composite type, light intensity, configuration factor and laser polymerization on polymerization contraction forces" 10 (10): 88-96, 1997
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28 Braga RR, "Alternatives in polymerization contraction stress management" 15 (15): 176-184, 2004
29 Bowen RL, "Adhesive bonding of various materials to hard tooth tissues: forces developing in composite materials during hardening" 106 (106): 475-477, 1983
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32 Lee IB, "A new method to measure the polymerization shrinkage kinetics of light cured composites" 32 (32): 304-314, 2005
33 박준규, "5급 와동의 복합레진 수복 시 발생되는 교두굴곡에 관한 연구" 대한치과보존학회 33 (33): 83-89, 2008
2급 와동 수복 시 한국 치과 의사들의 복합레진 사용 실태 연구
레진시멘트의 중합방법이 포스트의 결합강도와 접착계면에 미치는 영향
상아질 표면 젖음성이 수종 자가접착레진시멘트의 인장접착강도에 미치는 영향
학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2027 | 평가예정 | 재인증평가 신청대상 (재인증) | |
2021-01-01 | 평가 | 등재학술지 유지 (재인증) | |
2018-01-01 | 평가 | 등재학술지 선정 (계속평가) | |
2017-12-01 | 평가 | 등재후보로 하락 (계속평가) | |
2013-01-01 | 평가 | 등재 1차 FAIL (등재유지) | |
2010-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2008-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2005-01-01 | 평가 | 등재학술지 선정 (등재후보2차) | |
2004-01-01 | 평가 | 등재후보 1차 PASS (등재후보1차) | |
2003-01-01 | 평가 | 등재후보학술지 유지 (등재후보1차) | |
2002-01-01 | 평가 | 등재후보학술지 유지 (등재후보1차) | |
2000-07-01 | 평가 | 등재후보학술지 선정 (신규평가) |
학술지 인용정보
기준연도 | WOS-KCI 통합IF(2년) | KCIF(2년) | KCIF(3년) |
---|---|---|---|
2016 | 0.25 | 0.25 | 0.21 |
KCIF(4년) | KCIF(5년) | 중심성지수(3년) | 즉시성지수 |
0.21 | 0.19 | 0.448 | 0.1 |