Mouthwash: do not use it after brushing your teeth!

© Adobe Stock Mouthwash: do not use it after brushing your teeth!

Are you used to doing a mouthwash after brushing your teeth? Very bad idea. A British dentist very followed on Tik-Tok strongly advises against doing it… Here’s why.

You take your dental hygiene seriously: you brush your teeth for 3 minutes… you use dental floss… and you end up with mouthwash. And that’s the mistake! British dentist Anna Peterson, who has more than 26,500 subscribers on TikTok, warns against this habit that is harmful to your smile.

Mouthwash after brushing: this promotes cavities

In one of her new videos, the expert – based in Essex County – warns: “using a mouthwash after brushing your teeth will give you cavities, so stop doing it”.

She then gave more details on the reasons for her warning. “The toothpaste you use on your toothbrush, has a very high concentration of fluoride, about 1450 ppm. Mouthwash, on the contrary, has a much lower concentration, only 220 ppm. It’s a much lower concentration and it’s not strong enough to protect the teeth from the sugars you’re going to eat and drink,” she explains.

“So when you brush your teeth and rinse yourself directly with a mouthwash, you just rinse all the high concentrations of fluoride for a lower concentration.” As a result, the teeth are then less well protected against sugar, thus promoting the appearance of caries.

When to make a mouthwash?

Should we totally abandon the mouthwash? The dentist’s answer is clear: no! “Mouthwash is a fantastic product to use, but you have to use it at the right time of day,” she says. According to her, to ensure good dental hygiene, it must be used after the meal.

The specialist explains: “When you wake up in the morning, first use dental floss and then brush your teeth and go for breakfast. The majority of what you’re going to ingest will contain sugar. The pH of your mouth will then decrease and become acidic by falling below 5.5. This is a critical threshold that testifies to an acid attack during which your teeth will erode.” “If you brush your teeth at this time, you will brush the acid in your teeth, this is what can cause tooth erosion (demineralization of tooth enamel). So to get your teeth out of this critical area, use a mouthwash,” she adds.

Use mouthwash well

Mouthwash can have two applications: be an antiseptic drug (intended to fight against microbes and infections); a non-medicated solution that refreshes the breath.

Most of these products are not recommended for at least 6 years, as they are likely to swallow the product. On the Ameli website, it is reminded to respect the duration of treatment and the doses recommended by the doctor or the leaflet. Mouthwash is also used for short periods.

“In case of prolonged use of an antiseptic product, it can unbalance the bacterial flora naturally present in the mouth. Also, unless prescribed by the doctor, do not use this type of mouthwash for an extended period of time. For the same reasons, the close use of several antiseptics is also not recommended”, warns the health insurance.

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