The main function of the human teeth is to mechanically break down food items by cutting and crushing them while preparing for swallowing and digesting. Incase you want to know more about the human teeth, then pay attention to what I’m about to say.
The incisors, canines, premolars, and molars are the types of teeth we have and I will briefly give each of their specific function. The incisors are responsible for cutting of the food, the canines tear the food and the molars and premolars crush the food.

I have seen many people battling with issues of stains on their teeth. If you are one of them, there is nothing to be ashamed of because after today, you won’t have to worry anymore it, since researchers have sought for solution from different dental specialist.
Today, I will show you how to remove brown stains from the teeth using five kitchen ingredients.
Ingredients Needed.
Ginger

½ tablespoon of Baking Soda
Toothpaste
5 drops of Lemon juice.
A Pinch of salt
Procedure
Cut the lemon into two halves, remove the seeds from the lemon using a knife. Then, squeeze out the lemon juice into a clean bowl
Cut about a tablespoon of ginger and grate
Put in a quarter tablespoon of Baking Soda and stir properly with a spoon
Put a moderate amount of toothpaste into a small bowl, put in a pinch of salt.
Apply the mixture on your toothbrush and brush the teeth for about 4 to 5 minutes.Do this continuously and you will see an excellent result .