enamel hypoplasia

Both enamel hypoplasia and enamel calcification are enamel dysplasia, which is a disease of abnormal tooth structure. Etiology of enamel dysplasia: Local, hereditary and systemic (such as congenital syphilis, malnutrition, infectious diseases, etc.) enamel dysplasia is the decrease of enamel formation, not the decrease of mineralization quality.