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dc.titleLong-term caries inhibitory effects of fluoride releasing tooth-colored restorative materials
dc.contributor.authorEDELMIRO DE HOYOS GONZALEZ
dc.identifier.citationEDELMIRO DE HOYOS GONZALEZ (2004-09-02). Long-term caries inhibitory effects of fluoride releasing tooth-colored restorative materials. ScholarBank@NUS Repository.
dc.description.abstractThe purpose of this study was to compare the short and long-term caries inhibition properties of the continuum of direct tooth-colored fluoride releasing restorative materials including the recently introduced giomers. Class V buccal and lingual/palatal preparations were made at the CEJ of 75 freshly extracted molar teeth. The teeth were equally and randomly divided into 5 groups and restored with the various materials. Half of the restorations in each group were stored in distilled water at 37A?C for 2 weeks and the other half for 6 months. All restorations were subjected to artificial caries challenge (18hr demineralization [pH 5.0] + 6 hr remineralization [pH 7.0]) for 3 days. Tooth sections of 130A?20A?m were examined with PLM. Outer lesions and wall area lesion/inhibition were evaluated using image analysis software. Data were subjected to ANOVA/Scheffea??s post-hoc test and paired samples t-test. The demineralization inhibition effects of materials were time and tissue dependent. At both time intervals, FJ & RM had similar enamel and dentin OLD. At both time intervals, enamel and dentin WA inhibition by glass ionomers and giomer was significantly greater than the compomer and composite.
dc.subjectCaries inhibition, Fluoride release, Dental Materials, Aging, Giomers, artificial caries
dc.contributor.departmentRESTORATIVE DENTISTRY
dc.contributor.supervisorYAP U JIN, ADRIAN
dc.contributor.supervisorHSU CHIN-YING, STEPHEN
dc.description.degreeconferredMASTER OF SCIENCE
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