"Why are primary teeth so important?"
It is very important to maintain the health of the primary teeth. Neglected cavities can and frequently do lead to problems which affect developing permanent teeth. Primary teeth, or baby teeth are important for:
Primary teeth also affect the development of speech
and add to an attractive appearance. While the front 4 teeth last until 6-7
years of age, the back teeth (cuspids and molars) aren’t replaced until age
10-13.