- Oops!Something went wrong.Please try again later.
A dentist has stunned her TikTok viewers after revealing that the majority of people are using mouthwash incorrectly. Dr. Anna Peterson is a London-based dentist who told her 20,000 followers that…. "using mouthwash after brushing your teeth is going to give you tooth decay" . “When you brush your teeth and you rinse with mouthwash — you just rinse off all the high concentration fluoride," she said. Dr. Peterson also clarified that she isn't "against mouthwash" and even recommends it to her patients regularly. The only time you could use mouthwash after brushing is if you wait 20 to 30 minutes, Dr. Peterson clarified in the comments