天气预报 > 健康 > 扩弓矫正牙齿的危害
扩弓矫正牙齿的危害
更新时间: 2021-05-21 06:31:47  

1、时间长。牙齿矫正主要是排齐牙齿,扩弓和拔牙都是为了获得间隙,用于把牙弓弧度外的牙齿排到牙弓上。

2、扩弓器的两端固定于后面大牙上,中间有向两侧扩张的弹性装置;佩戴时有压、涨得感觉,不疼一般至少要戴半年。

3、一般来说以您的年龄来看,扩弓的方法进行矫正认为难度比较大,而且所需的时间非常长。

关键词: 矫正 牙齿 危害

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