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问:我儿子8个月了,至今还没有长牙。有人说,婴儿不长牙是缺钙,应该给孩子补钙。也有人说,不能给孩子乱补钙,掌握不好会引起中毒。请问:孩子不长牙能
Q: My son is eight months old and has no teeth. Some people say that babies do not teeth is calcium deficiency, calcium should be given to children. Some people say that children can not chaos of calcium, bad control can cause poisoning. I ask: children do not teeth can