你的牙齿是否需要矫正?来对号入座

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公开课模版测试文章(编辑别推)

张 宁

首都医科大学附属北京口腔医院口腔正畸科副主任医师

哪些类型的牙齿需要进行矫正? 

一、牙列不齐。这类牙齿矫正主要是解决美观问题。

二、牙齿前凸。有时需要配合拔牙的方式把前凸的牙齿收回来,建立正常的咬合关系,使牙齿更加美观整齐。在一定程度上,还可以改变嘴唇和外貌的形态。

三、下颌向前,俗称“地包天”。这种情况下的矫正是要建立正常的上牙覆盖下牙的关系。

你的牙齿是否需要矫正?来对号入座

儿童在乳牙替换过程中牙齿过早脱落,恒牙还没长出来,这段时间需要做一些局部的矫正,为还未萌出的恒牙占据位置。还有一些早期的功能性干预,即在牙齿还没有替换完成的时候,破除不良的口腔习惯,以避免牙齿往畸形方向发展。

你的牙齿是否需要矫正?来对号入座

另外,对于一些面部骨骼发育已经出现异常的,比如面中部发育不足、上(下)颌发育过度或面部偏斜,单纯地通过牙齿矫正效果不理想时,就需要配合手术治疗。也就是通过牙齿矫正把牙齿排到一定程度时配合外科手术,把骨骼放到正常的位置,然后再进行牙齿矫正,以达到牙齿和骨骼共同矫正的目的。

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