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수종의 산성용액이 교정용 브라켓의 전단결합강도에 미치는 영향The Effect of Various Acidic Solutions on the Shear Bond Strength of Orthodontic Bracket

Other Titles
The Effect of Various Acidic Solutions on the Shear Bond Strength of Orthodontic Bracket
Authors
안진수박혜진강승택임용규이동렬
Issue Date
2010
Publisher
대한치과재료학회
Keywords
Acidic solutions; Initial pH; Modified ARI; Shear bond strength
Citation
대한치과재료학회지, v.37, no.3, pp.243 - 250
Indexed
KCI
Journal Title
대한치과재료학회지
Volume
37
Number
3
Start Page
243
End Page
250
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/117453
ISSN
2384-4434
Abstract
The purpose of this study was to investigate the effects of various acidic solutions on the shear bond strength of orthodontic brackets to enamel surfaces. The upper premolar brackets were bonded with Tansbond XT to 120 extracted human premolar teeth and divided equally into four groups, that were, Coca-Cola, Orange juice, Listerine® and distilled water as a control group. All groups were conditioned for three 5-minute sessions with equal intervening intervals for 90 d ays. I nitial pH, shear b ond strength, and mod ified adhesive remnant index of the groups were analysed statistically (a=0.05). The results were obtained as follows :1. There was a relationship between the initial pH of the tested solutions and the shear bond strength of the orthodontic brackets after exposure to the acidic solutions (p<0.05). 2.Coca-Cola, which has a high level acidity, had significantly lower shear bond strength than the control group (p<0.05). 3. Orange juice and Listerine®, which have a low level acidity, do not seem to have a destructive potential on the bond strength of orthodontic brackets (p>0.05). 4. There was no significant correlation between the shear bond strength and the modified adhesive remnant index scores of the acidic solution groups (p>0.05).
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