横向比较磷酸锌水门、氧化锌丁香酚水门汀、聚羧酸锌水门汀及玻璃离子水门汀的力学性能和牙髓刺激性。
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临床上磷酸锌水门汀主要用于________、______，也可用于________。
Resin-modified glass．ionomer materials may set by()
A. acid-base reaction
B. free-radical polymerization
C. light initiation
D. all of the above
In mixing zinc phosphate cement，which clinical variable has the greatest effect on the strength of the cement()
A. spatulation time
B. liquid-powder ratio
C. temperature ofthe mixing slab
D. number and size ofpowder increments
适当调和的磷酸锌水门汀基底料在充填时被唾液污染，污染会造成怎样的不良影响？
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