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人们总喜欢发育正常的健康牙,讨厌那发育异常的变色牙。牙齿结构发育异常主要是在恒牙发育期间受种种因素的影响,而使牙釉质(牙冠部最外层,质地坚硬,俗称珐琅质)或牙本质(在釉质下方,俗称象牙质)变色,多见于门牙,若开口一笑……多令人遗憾,以致不敢笑。按照不同的病因,牙齿结构发育异常可分为三型。营养型婴幼儿在生长发育期,由于营养不足(如维生素A、C、D及钙磷的缺乏),或因为全身性疾病使牙釉质发育受到阻碍,形成釉质发育不全和釉质钙化不良。
People always like to develop normal healthy teeth, hate that abnormal color change teeth. Dental structure dysplasia is mainly affected by various factors during the development of the permanent teeth, while the enamel (the outermost layer of the crown, hard texture, commonly known as enamel) or dentin (under the enamel, commonly known as dentin) discoloration, and more Found in the incisors, if the opening smile ...... More regrettable, so afraid to laugh. According to different causes, abnormal tooth structure can be divided into three types. Nutritional infants and young children in the growth and development, due to nutritional deficiencies (such as vitamin A, C, D and calcium and phosphorus deficiency), or because of systemic disease enamel development is hindered, the formation of enamel hypoplasia and enamel calcification.