儿童牙科精品教学（中山大学）2.生长发育和发育异常.pdf

Craniofacial growth and dentition development of children 儿童颅面部与牙列的生长发育 • Growth Stages and Features （生长发育分期和特点） • Growth and development factors （生长发育的影响因素） • Growth and development of the craniofacial skeleton （颅面骨骼 的生长发育） • Development of teeth and dentition （牙与合的发育）（牙齿发 育异常与治疗） • Primary and permanent replacement （乳恒牙替换） • Dentition and occlusal development （牙列与咬合发育）（咬合 诱导部分） 生长发育分期和特点 • Fetus period （胎儿期）：6w，16w • Neonatal （新生儿期）：neonatal line ，epithelial pearl • Infancy period （婴儿期）：6 • Toddler period （幼儿期）：ECC ；SECC • Preschool period （学龄前期）：Caries • School period （学龄期）：Caries • Adolescent period （青春期）： Prepubescence/Pubescence/Postpubescence Growth and development factors 生长发育的影响因素 • Genetic Factors （遗传因素） • Environmental Factors （环境因素） Prenatal environment （出生前环境） Environment after birth （出生后环境） Developmental Abnormality of the Teeth and Treatment (牙齿发育异常与治疗) Content • Development of teeth (P51) • Developmental Abnormality of the Teeth and Treatment (P69) Abnormalities of number Abnormalities of morphology Abnormalities of eruption Abnormalities of structure (learn by yourself ) SECTION Ⅰ SECTION Ⅰ Development of Teeth Development of Teeth Development of teeth Development of teeth • Time for tooth development • Sequence for tooth eruption • Variation in tooth eruption 1. Time for tooth development 1. Time for tooth development • Experience three periods growth (3), calcification, eruption periods • 1933, Logan, Kronfeld studied calcification time of permanent tooth • In 1940, Macall and Schour offered a revised time t