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[单选题]
适宜的饮水氟浓度为()
A.1.2~1.5mg/L
B.低于0.4mg/L
C.0.5~1mgmg/L
D.0.4~0.7mg/L
E.1.5~2.0mg/L
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、0.5~1mgmg/L
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1.2~1.5mg/L
B.低于0.4mg/L
C.0.5~1mgmg/L
D.0.4~0.7mg/L
E.1.5~2.0mg/L
C、0.5~1mgmg/L
A.饮水适宜氟浓度一般应保持0.7~1mg/L
B.低氟饮水区(水氟含量为O.5mg/L以下)氟牙症指数大于0.6,则无需加氟
C.低氟饮水区氟化症指数小于0.6,而15岁儿童的龋均远远低于1,则无需加氟
D.饮水氟浓度超过1.5mg/L或氟牙症指数超过1应去除饮水中过量的氟,或减少氟摄入
E.确定的饮水加氟量应全年保持恒定以免影响防龋效果
A.氟片
B.氟滴剂
C.氟化泡沫
D.食盐氟化
E.饮水加氟后,不需再使用任何氟防龋措施
A.mft、DMFT、Fci
B.mft、DMFT、CPI
C.MFT、Fci
D.mft、Fci
E.mft、CPI
A.尖牙
B.中切牙
C.侧切牙
D.第一磨牙
E.第二前磨牙
A.12岁儿童龋均
B.6岁儿童龋均
C.15岁组龋均
D.18岁组龋均
E.35~44岁组龋均
A.36
B.47
C.25
D.14
E.38