Another potential pitfall: if your baby has a cold and can't breathe through his nose, he'll be much more miserable if he depends on a pacifier for comfort.

这还有一个潜在的隐患，就是如果你的宝宝感冒了，不能用鼻子呼吸，而他必须依靠奶嘴来寻求安慰，这时候他就会感到更加的痛苦。

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If you're nursing your baby, wait until he's a month old to give him a pacifier, to make sure breastfeeding is well established.

如果你正在用母乳喂养宝宝，那么请等到他一个月大以后再给他使用奶嘴，以确保良好的母乳喂养模式。

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That said, there's no evidence that pacifiers cause any permanent damage to baby teeth – they usually return to normal after a few pacifier-free months.

但是，并没有证据显示奶嘴会对宝宝牙齿造成永久性的伤害，一般情况下，在戒掉奶嘴几个月后宝宝牙齿就会恢复正常。

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Parents often wonder what effect thumb sucking or sucking on a pacifier might have on their baby's teeth.

VOA: special.2009.03.11

Since acid-producting bacteria, called streptococcus mutans, is contagious, pediatric dentists caution parents against blowing on a baby's food or cleaning a pacifier with saliva.

CNN: Baby's teeth: What you should know