How does baby tooth ache ache ache

Baby tooth pain in most cases is caused by dental caries, childhood deciduous teeth, enamel layer is easy to be worn out, after grinding out dentin exposure will show hot and cold sour stimulation pain. Or is not timely brushing after eating, especially eating sweets, it is easy to cause dental caries, bacteria decompose sugar to produce acid, dental caries progress quickly to the dental nerve, need to be filled or root canal treatment to relieve tooth pain. Baby's teeth are not treated in time, will also cause apical inflammation caused by swollen face, and even affect permanent teeth.