The main function of teeth is cut off, tearing and grinding food, the food Yaosui teeth, make the digestive juice and food contact surface greatly increased, so that the food easier to digest.

• 牙齿的功能主要是切断、撕裂和磨碎食物，牙齿把食物咬碎后，能使食物与消化液的接触面大大增加，使食物容易消化。