Is there a permanent solution for bad breath?

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Bad breath can be due to many reasons. One of the most common reasons is poor oral hygiene. Despite brushing well, there is some deposit of tartar (calculus) and plaque over a period. You should get a regular clean up (scaling - once a year) done by a dentist. Another common reason can be due to cavities. For that, a checkup is necessary and need fillings. Once these reasons are ruled out, if bad breath persists, then we need to consider other systemic factors. Meanwhile, you can regularly use Colgate Plax or Listerine mouthwash twice a day along with brushing twice a day.