【单选题】【消耗次数：1】
如果用热水浸泡义齿，会造成（ ）。
①
易损伤义齿表面结构
②
产生裂纹
③
义齿变形
④
以上都有
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相关题目
【单选题】
下列关于义齿基托树脂的描述，不正确的是
①
自凝树脂可用于制作腭护板
②
自凝树脂的机械性能整体上下不如热凝树脂
③
冬天为加快热凝树脂面团期的形成，可将调和物放在火焰上加热
④
自凝树脂调和后，一般在糊状期塑形
⑤
自凝树脂残余单体量较热凝树脂高
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