Viral dentist reveals the biggest mouthwash fail we’ve all been making - and you’ll be shocked

Mouthwash mistake
(Image credit: Getty)

A viral dentist has revealed the biggest mouthwash fail we've all been making and you'll be surprised!

A viral dentist has revealed the biggest mistake people are making when it comes to using mouthwash - and you'll be surprised.

TikTok has brought us the McDonald's milkshake hack that went viral and a TikTok safety feature that all parents needed to know.

Everyone knows that to help maintain healthy teeth and gums and to help prevent Covid you need to brush your teeth, floss, and use mouthwash frequently, but while many of us aim for at least twice a day - our efforts are going to waste.

As one dentist, Anna Peterson has gone viral on TikTok for her honest advice - which explains why you shouldn't use mouthwash after you've brushed but before.

brushing teeth, mouthwash fails TikTok

(Image credit: Getty)

Anna explained the mouthwash fail, “Your toothpaste that you brush your teeth with has around 1450pp fluoride. Your mouthwash has only 220pp fluoride. This is a much lower concentration and it’s not enough to protect your teeth from sugars that you eat and drink.

“So when you brush your teeth, and you rinse with mouthwash straight away - you just rinse off all the high concentration fluoride, for a low concentration fluoride.

She continued, “And in our evidence-based toolkit for delivering better oral health, all dentists should be following this. And by no means am I against mouthwash. Because I do actually recommend it to my patients. But not every patient needs it. I certainly don’t tell them to use it after brushing.”

@annapetersondentalToo many people are still doing it 🦷##GetGrafting ##dentistry ##fyp ##lgbtq ##lifestylechangestartsnow

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And viewers cannot believe they've got it wrong for so long. One wrote, 'And from time to time we learn something on TikTok.' Another put, 'What? Everyone rinses with water after brushing. Who is leaving toothpaste on their teeth?' and a third added, 'Thank you so much for the information. I've been doing this wrong my whole life then! Glad I saw this!'

Mouthwash, toothbrush, floss

Meanwhile, another wanted clarification over the mouthwash fail, and asked, 'Is this right? 1. Mouthwash, 2. Floss, 3. Brush, in that order twice a day, yes or no?' To which Anna replied 'Yea'.

Anna clarified the correct time to use mouthwash, 'You should use it after you eat, such as breakfast lunch, and dinner.'

Selina Maycock
Senior Family Writer

Selina is a Senior Family Writer for GoodtoKnow and has more than 16 years years of experience. She specialises in royal family news, including the latest activities of Prince George, Charlotte, Louis, Archie and Lilibet. She also covers the latest government, health and charity advice for families. Selina graduated from the University of Sheffield in 2006 with a degree in Journalism, and gained her NCTJ and NCE qualifications. During her career, she’s also written for Woman, Woman's Own, Woman&Home, and Woman's Weekly as well as Heat magazine, Bang Showbiz - and the Scunthorpe Telegraph. When she's not covering family news, you can find her exploring new countryside walking routes, catching up with friends over good food, or making memories (including award-winning scarecrows!)