Effect of different tetra pack juices on microhardness of direct tooth colored-restorative materials

To examine the effect of apple and orange juices on the surface hardness of direct tooth-colored restorative materials. The materials included resin-modified glass ionomer cement (Vitremer 3M™ ESPE™ Core buildup restorative) and composite resin (Filtek™ 3M™ ESPE™ Z350). A total of 45 disks of each r...

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Bibliographic Details
Published in:The Saudi dental journal 2013-01, Vol.25 (1), p.29-32
Main Authors: Fatima, Nazish, Abidi, Syed Yawar Ali, Qazi, Fazal-Ur-Rehaman, Jat, Shahbaz Ahmed
Format: Article
Language:English
Subjects:
Erosion
Esthetic restorative material
Fruit juices
Original
Resin composite
Resin modified glass ionomer
Surface microhardness
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Summary:To examine the effect of apple and orange juices on the surface hardness of direct tooth-colored restorative materials. The materials included resin-modified glass ionomer cement (Vitremer 3M™ ESPE™ Core buildup restorative) and composite resin (Filtek™ 3M™ ESPE™ Z350). A total of 45 disks of each restorative material were prepared. The disks were divided into groups of 15, which were immersed for 7days in deionized water (G1/G4, control group), apple juice (G2/G5), or orange juice (G3/G6). The pH of the apple juice was approximately 4.8 and the pH of the orange juice was approximately 4.9. Surface hardness tests were performed before immersion and at various times following immersion. Statistical analysis included two-way ANOVA with repeated measurement and Tukey’s test. Exposure to juices significantly reduced the hardness of both materials (p
ISSN:1013-9052
1658-3558
DOI:10.1016/j.sdentj.2012.09.002