文档介绍：非齬性疾病
non carious disease
牙发育异常
(developmental abnormality of teeth)
牙外伤
(injury of teeth)
牙体慢性损伤
(chronic injury of teeth)
牙本质过敏症
(dentine hypersensitivity)
- 牙发育异常
/ developmental abnormality of teeth
主要内容
酩牙结构异常Abno histodifferentiati
恩牙形态异常Abno morphodifferenti
£牙数目异常Distu of teeth
酹牙萌出异常Distu germination of te
钟状期造釉器 (enamel organ in bell stage)
粘质： enamel
十牙乳头 dental papilla
—r星网状层 stellate reticulum
，卜袖上皮 external enc
-epithelim
牙结构异常
Abnormalities of histodifferentiation
的釉质发育不全enamel hypoplasia 酹***牙症 dental fluorosis
K 四环素牙 tetracycline stained teeth 酩遗传性牙本质发育不全hereditary dentinogenesis imperfecta
£ 先天性梅毒牙 congenital syphilitic teeth __________
釉质发育不全 enamel hypoplasia
定义 definition
K牙齿发育期间，由于全身疾患、营养障碍或乳牙的严 重的根尖周感染所导致的釉质的结构异常。(enamel abnormalities of histodifferentiation result from systematic disease, nutrition deficiency or severe apical affection of deciduous dentition during teeth formation)
J
釉质发育不良：釉质基质形成障碍(dyspoiesis of enamel agenesis I I ■ 、.、
a v=a enamel matrix)
釉质实质缺损(with enamel loss)
釉质矿化不良：基质形成正常，但矿化不良
enamel hypocalcification
(hypomineralization)
釉质无实质缺损(without enamel loss)
的营养障碍 nutrition deficiency
病因 Aetiology
£ 内分泌失调 incretion disorder S婴儿、母体疾病infant & maternal
disease
© 局部因素 localized causes