氧化锌丁香酚水门汀中醋酸的主要作用是______,松香的主要作用是_________。
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Wich of the following is FALSE concerning fluoride release and uptake with glass ionomers()
A. High level of fluoride is released initially
B. Sustained low levels of fluoride release over time
C. Fluoride release results in reduction of mechanical properties of the set cement
D. Recharge may be provided by topical fluorides
Which of the following dental cements is a luting agent that provides adhesion to calcified dental tissue()
A. EB
B. ZOE cement
C. silicate cement
D. zinc phosphate cement
氧化锌丁香酚水门汀对牙髓的影响是()
A. 对牙髓的刺激作用很小
B. 也会引起牙髓轻度炎症反应
C. 对发炎的牙髓具有一定的镇痛和安抚作用
D. 以上都是
对于银汞合金修复来说,为什么选择具有高弹性模量的水门汀基底那么重要?而对复合树脂修复来说,这种选择为什么不那么关键?