A dentist has warned against copying TV adverts and shows while brushing your teeth. a cosmetic dentist and facial aesthetic practitioner, shared the warning on her popular TikTok account (@Drshaadimanouchehri).

Dr Manouchehri said: "I don't know who needs to hear this but you're probably using way too much toothpaste. All the adverts and TV shows/movies are lying to you! You literally just need a pea-sized amount of toothpaste on your toothbrush."

She added: "Make sure to spit and not rinse out to get the maximum protection from fluoride toothpaste." In another video, Dr Manouchehri also demonstrated the correct amount of toothpaste to use.

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Reiterating her message, the expert said: "This is your daily reminder that you only need a pea-sized amount of toothpaste to brush your teeth every day, twice a day. The toothpaste needs to have fluoride in it to protect your teeth and make them physically stronger.

"You don't need any more than this. This is literally how much you need. If you're using any more than this, if you're doing one of those swirls on your normal manual toothbrush, it is too much, and you're just going to waste it."

Dr Manouchehri also addressed viewers' questions about the common mistake. First, she answered a commenter who said: "I understand what you're saying, but it doesn't look enough to cover your teeth. So I put a little extra just in case, but I'm I doing wrong?"

The expert answered: "Trust me a pea-sized amount is enough! Will be difficult at first if you’re not used to it." Elsewhere, someone commented: "I feel like a pea-sized amount isn't enough for all my teeth." Offering reassurance, Dr Manouchehri said: "It will be! Make sure to spit not rinse."

Maintaining good oral hygiene includes brushing your teeth twice daily using fluoride toothpaste. In addition to brushing, it's recommended to floss or use an interdental brush every day, reports .

Floss helps to remove food and plaque lodged between your teeth. When brushing, use circular motions and remember to clean up to the gum line. It's helpful to use a timer to ensure you are brushing for the full two minutes.

If you opt for an electric toothbrush, you might find one with an oscillating or rotating head works better than a manual toothbrush. However, the says electric or manual toothbrushes are equally good provided you clean all the surfaces of all your teeth. If you have any concerns, speak to your dentist.