26 June 2024 , 10:42
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When it comes to oral health, many people opt for a quick swish of mouthwash after brushing, believing it adds an extra layer of protection and maintains that minty fresh feeling. However, a dentist has taken to TikTok to explain why this could actually be bad for your teeth.
Dr Shaadi Manouchehri is a dental surgeon and facial aesthetics practitioner having graduated with BDS Honours from Barts and the London School of Medicine and Dentistry. She regularly shares advice online, amassing over 293,000 followers on TikTok.
In one of her latest videos, Dr Manouchehri said: "I will never use mouthwash straight after I brush my teeth. I've been a dentist for almost 10 years and it still shocks me when people tell me that they use mouthwash after they brush their teeth.
"We need to be using a fluoride toothpaste twice a day to brush the teeth because, not only does fluoride make your teeth physically stronger, it actually kills the bacteria that causes decay. It can even reverse decay in its early stages.
"That means if you have the cavity that's starting, fluoride is going stop it from progressing. It'll stop you needing a filling therefore reducing your dental bills and improving your oral health."
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She added: "If you use mouthwash straight after you've brushed your teeth, you're basically removing the protective fluoride layer from your teeth which means you're more susceptible to getting cavities. If you want to use mouthwash, you can use it at a completely different time to brushing.
"After you've had lunch, if you want a bit of a refresh, this is the time to use mouthwash. You can also use mouthwash before you brush your teeth to freshen things up and remove some of the plaque before you go in with your toothbrush and floss."
The NHS guidance is in line with Dr Manouchehri's advice, stating that using a fluoride containing mouthwash can help prevent tooth decay. But, cautions against its use right after brushing teeth for the same reasons explained by the doctor.
The NHS advises people "choose a different time to use mouthwash, such as after lunch". It does add the warning not to eat or drink for 30 minutes after using a fluoride mouthwash.