As milk teeth erupt and fall, people often think that they do not matter in the overall part of oral hygiene. However, milk teeth play some really important roles, like:*They play the primary role of biting, chewing, and grinding the food before digesting it*They are also important in speech patterns and training*Milk teeth are the basis of the development of the jaw bones and muscles.*They provide the necessary shape of the mouth and room for permanent teeth to erupt.