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.
Maintaining good oral hygiene includes brushing your teeth twice daily using fluoride toothpaste.
Dr Manouchehri said: "I don't know who needs to hear this but you're probably using way too much toothpaste.
In another video, Dr Manouchehri also demonstrated the correct amount of toothpaste to use.
The toothpaste needs to have fluoride in it to protect your teeth and make them physically stronger.