咬合矫正

咬合紊乱以不同的形式出现。其中一种是开放性咬合。这种咬合畸形很少发生--最多有 2% 的患者有这种畸形。在一岁以下的儿童中，有 12% 的儿童存在不正确的弓形咬合，6 岁以下的儿童有 5.6% 的儿童存在不正确的弓形咬合，而在成年人中，这一比例很小，只有 1.8 - 2% 的儿童存在不正确的弓形咬合。

什么是开放性咬合

开合咬合是指前排牙齿或侧部牙齿不完全闭合。形成的垂直间隙不仅会造成美观问题，还会导致功能障碍。这种类型的病变往往会与其他形式的咬合结合在一起，因此有必要对远端开合咬合或中端咬合进行治疗。

标志

开放性咬合的视觉迹象：

下巴下移，脸部下半部增大； 嘴巴半张； 上唇在闭合时狭窄而紧绷； 上颚向下后移； 鼻唇沟变得平滑。

口内症状

中牙咬合是一种下颌闭合障碍，即下颌向前突出并与上门牙重叠。这给患者带来的不仅是心理上的问题，没有适当的美感，可能从外部对缺陷进行讨论，而且还会影响全身健康。成人和儿童的中牙咬合治疗是漫长而艰难的。需要从多方面入手：肌肉功能体操、牙槽按摩、使用正畸结构和定期看牙科专家。

什么是中牙咬合

中侧（内侧）咬合是一种咬合异常，即下颌不能正常合拢。下牙列相对于上牙列的位置偏前，即使在视觉上也很明显。

中颌的发病率高达总人数的 10%（蒙古人种中经常出现这种病症）。与远端咬合不同，中侧咬合的诊断率较低。

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有 2% 的患者会出现交叉咬合。这些患者既有儿童，也有成年人。交叉咬合有很多变异，这种类型的咬合常常与其他异常合并在一起。咬合不正是可以治疗的，但一旦发现与正常情况有偏差，就应立即开始治疗。否则，仅靠治疗可能是不够的。

什么是交叉咬合

交叉咬合是指上颌和下颌在一个水平面上闭合。一侧或两侧、前区或侧区均有违反。咬合发生在交叉位置，牙列、单个元素重叠。

交叉闭塞的迹象

其中一个明显的症状就是脸部不对称：

唇角高度不一，导致微笑偏移（歪斜）； 下巴线偏离中轴线。

交叉比特中的视觉不对称...

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What is a distal bite

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症状

With dental occlusion, the following facial features are characteristic:

large cheeks and cheekbones, the face appears convex; the wings of the nostrils look upwards; the profile is called "bird-like" because of the small lower jaw; because the lower lip is tucked under the front teeth, the mouth may often be half-open; the upper lip is more dense; the chin has a pronounced crease.

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What are braces?

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What to eat with braces on the teeth?

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The first meal is…