Hindu Smritis lay down the procedures for brushing the teeth.
They are,
1.Do not brush your teeth with the Pointing Finger.
2.Wash with the Right Hand.
3.Sit on the balls of your feet.
4.Brush Clock-wise.
5.Brush with sticks made of Neem or Banyan tree or us your Fingers.
6.After washing the teeth, gargle and spit water 16 times.
7.Spit the water onto your left side.
8.Wash the teeth n the Brahma Muhurtha(4.30 Am to 6AM)
9.Do not use the sticks on the Sraddha Day,Vrat Days and Parvas.
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caption of the picture should be “Brushing teeth, The Canada way” LOL. The Hindu procedures you shared is nothing related to this picture. this is very common which dentists across the world recommending. you may claim world learned to brush teeth from India but give data for that. Calling a universal thing as Hindu is ridiculous . actually you are making our religion ridiculous .