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Shear bond strengths of glass-ionomer cements to sound and to prepared carious dentine

Shear bond strengths of glass-ionomer cements to sound and to prepared carious dentine

Czarnecka, Beata, Deregowska-Nosowicz, Patricia, Limanowska-Shaw, Honorata and Nicholson, John W. (2007) Shear bond strengths of glass-ionomer cements to sound and to prepared carious dentine. Journal of Materials Science: Materials in Medicine, 18 (5). pp. 845-849. ISSN 0957-4530 (Print), 1573-4838 (Online) (doi:10.1007/s10856-006-0085-y)

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Abstract

The aim of this study was determine whether bonding of glass-ionomer cements to non-carious dentine differed from that to carious dentine. Five commercial cements were used, namely Fuji IX GP, Fuji IX capsulated, Fuji IX Fast capsulated (all GC, Japan), Ketac-Molar and Ketac-Molar Aplicap (both 3M-ESPE, Germany). Following conditioning of the substrate with 10% poly (acrylic acid) for 10 s, sets of 10 samples of the cements were bonded to prepared teeth that had been removed for orthodontic reasons. The teeth used had either sound dentine or sclerotic dentine. Shear bond strengths were determined following 24 h storage. For the auto-mixed cements, shear bond strength to sound dentine was found not to differ statistically from shear bond strength to sclerotic dentine whereas for hand-mixed cements, shear bond to sound dentine was found to be higher than to carious dentine (to at least p < 0.05). This shows that the chemical effects arising from interactions of glass-ionomer cements with the mineral phase of the tooth are the most important in developing strong bonds, at least in the shorter term.

Item Type: Article
Uncontrolled Keywords: PH, dental cements
Subjects: R Medicine > RK Dentistry
Q Science > QD Chemistry
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Life & Sports Sciences
Related URLs:
Last Modified: 05 Dec 2016 15:56
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2499

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