The korean journal of orthodontics (대한치과교정학회지)
- Volume 27 Issue 5 Serial No. 64
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- Pages.781-789
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- 1997
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
THE EFFECTS OF FLUORIDE RELEASING ORTHODONTIC SEALANT ON THE SHEAR BOND STRENGTH Of LIGHT-AND CHEMICAL-CURED ORTHODONTIC RESINS
불소가 유리되는 교정용 전색제가 광중합형 및 화학중합형 교정용 접착제의 전단결합강도에 미치는 영향
- Kim, Bong-Hyun (Deptment of Chonsun University) ;
- Yoon, Young-Jooh (Deptment of Orthodontics, College of Dentistry, Chonsun University) ;
- Kim, Kwang-Won (Deptment of Orthodontics, College of Dentistry, Chonsun University)
- Published : 1997.10.01
Abstract
The purpose of this study was to evaluate the effects of fluoride relasing orthodontic sealant on the shear bond strength of light-and chemical-cured orthodontic rosins, to compare the shear bond strenth with light-and chemical-cured orthodontic resins, and to identify the changes of shear bond strength by rebonding in vitro. The brackets were divided into eight groups. Each group of metal brackets had different bonding mechanisms with adhesives. Group A : Transbond only Group B : Mono-Lok 2 only Group C : Light cured FluoroBond+Transbond Group D : Light cured FluoroBond+Mono-Lok 2 Group E : Transbond only(rebonded) Group F : Nomo-Lok 2 only(rebonded) Group G : Light cured FluoroBond+Transbond(rebonded) Group H : Light cured FluoroBond+Mono-Lok 2(rebonded) 65 extracted human premolars were prepared for bonding and 65 metal brackets for each group were bonded to prepared enamel surfaces of buccal surfaces as the above prescription. 24 hours bonding after, the Instron universal testing machine was used to test the shear bond strength of metal brackets to enamel. After debonding, same kind of metal brackets for each group were rebonded to prepared enamel surfaces of buccal surfaces to test the shear bond strength at the rebonding to enamel. Statistical analysis of the data was carried out Student's t-test ANOVA test, and Scheffe test using
본 연구는 교정치료를 위해 최근에 발거된 소구치 65개를 대상으로 발거직후 부착된 이물질을 제거하고 생리식염수에 담구어 보관한 후 법랑질을 퍼미스 및
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