【判断题】【消耗次数：1】
进行石灰有效氧化钙测定时，石灰试样要用减量法称量，精确至0.01g
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
关于氢氧化钙基根管封闭剂，下面描述错误的是
①
具有较强的抗菌作用
②
在根管内逐渐凝固
③
促进根尖钙化，封闭根尖孔
④
强碱性
⑤
与牙胶尖共同使用可作为永久性根充材料
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