What are the functions of molars? What should be done to avoid the appearance of tartar?

Human teeth play such a role in the process of eating: incisors bite off pieces, canines tear food, and molars and premolars (large and small molars) grind and grind it. A couple of tips to prevent tartar from appearing: brush your teeth regularly and correctly, use a high-quality toothbrush and toothpaste, use dental floss whenever possible, eating vegetables and fruits also contributes to some cleaning of your teeth.