Abrasion of human enamel and dentine caused by toothpastes of differing abrasivity determined using an in situ wear model
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چکیده
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an investigation into translation of cultural concepts by beginner and advance student using think – aloud protocols
this research aims at answering the questions about translation problems and strategies applied by translators when translating cultural concepts. in order to address this issue, qualitative and quantitative study were conducted on two groups of subjects at imam reza international university of mashhad. these two groups were assigned as beginner and advanced translation students (10 students). ...
Abrasive wear of enamel by bioactive glass-based toothpastes.
PURPOSE To determine the abrasivity of a 45S5 bioactive glass based toothpaste on enamel as a function of the particle size and shape of the glass. METHODS 45S5 glass was synthesized ground and sieved to give various particle sized fractions < 38, 38-63 and 63-110 microns. Two different grinding routes were used: percussion milling and ball milling. The glass powders were formulated into toot...
متن کاملPreventive effect of toothpastes with MMP inhibitors on human dentine erosion and abrasion in vitro
UNLABELLED The use of gels and mouthrinses with MMP inhibitors (chlorhexidine, and green tea extract) was shown to prevent erosive wear. The aim of this study was to analyze the protective effect of toothpastes containing MMP inhibitors on dentine loss induced by erosion in vitro. MATERIAL AND METHODS Five groups each containing 12 specimens of human root dentine were prepared. The specimens ...
متن کاملEffect of Toothpastes with Different Abrasives on Eroded Human Enamel: An in situ/ex vivo Study
The aim of the present study was to investigate the abrasive effect of CaCO3 and SiO2-based fluoride-free experimental toothpastes on eroded human permanent dental enamel and evaluate the effectiveness of waiting periods between acid exposure and tooth brushing. Twelve volunteers wore palatal appliances containing human enamel blocks for two periods of five days each. The appliances were immers...
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ژورنال
عنوان ژورنال: International Dental Journal
سال: 2005
ISSN: 0020-6539
DOI: 10.1111/j.1875-595x.2005.tb00058.x