《英文msh詞典》Enamel Ageneses
[入口詞] Enamel Ageneses
[主題詞] Dental Enamel Hypoplasia
[英文釋義] A form of AMELOGENESIS IMPERFECTA characterized by incomplete formation of the dental enamel and transmitted as an X-linked or autosomal dominant trait. It is also associated with vitamin A,C,or D deficiency,infectious disease,prematurity,birth injury,Rh incompatibility,trauma,or local infection. Small grooves,pits,and fissures are seen in mild cases,deep horizontal rows of pits in severe cases,or absence of enamel in extreme cases. (Dorland,27th ed)