《英文msh词典》Odontogenic Dysplasia
[同义词] Odontogenic Dysplasia
[主题词] Odontodysplasia
[中文释义] 牙发育异常
[英文释义] A localized arrested tooth development which appears to involve most commonly the anterior teeth,usually on one side of the midline,most often the maxillary central and lateral incisors. Roentgenographically,the teeth have a ghostlike appearance. Calcification and bits of prismatic enamel may be found in the pulp and the enamel is thin and absent in part. (Jablonski,Illustrated Dictionary of Dentistry,1982)