A snail’s mouth is no bigger than the head of a pin but it can have over 25,000 teeth. Imagine how long it would take to brush all those teeth!
Your tongue is as unique as your finger print, no two people have the same tongue print.
The first bristled toothbrush was invented in 1000 AD by the Chinese, where coarse boar hairs were attached to handles of bamboo or bone. We now have many varieties of toothbrushes but be sure to use a soft bristled one to prevent damage to teeth and gums.