Young children should obviously not have bad breath. It does not sound as if her teeth is causing her to have this bad breath. She may have a chronic tonsil infection. Another common cause is mouth breathing. If your daughter is a mouth breather try using Salex nasal spray twice day to open her nose. If her nose is not blocked then she should be seen by a doctor in case she has infected tonsils or some other possible cause for her bad breath.
The fact that she is wetting herself during the day may mean that she has a bladder or urinary system infection. Her urine should be tested when she is seen by the doctor about her bad breath.
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