It is not usual for such a young baby to have a mouth that smells bad. It is not likely that your baby has any problem with his teeth as he probably only has very few teeth by now.Your baby may have a thrush infection of his mouth or another infection such as 'herpes stomatitis' caused by a virus. It would be best to ask your doctor or your nearest clinic sister to see your baby and see if a cause for this bad smell can be found.
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