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反颌(俗称“地包天”)需在乳牙期(4岁左右)进行矫治外。大多数的错颌畸形要等到牙齿替换后,在恒牙期(12～14岁)才进行矫治。因为这时第二磨牙萌出,口腔内除了第三磨牙外,其他恒牙已萌出,恒牙列已形成,恒牙牙根的发育也已完成,上、下牙齿间的咬合关系也调整完成,可以对错颌畸形的类型作出明确的诊断,并采取相应的矫治方法进行治疗。矫治完成后也容易保持稳定的效果,不会再有大的变化。从理论上讲,儿童矫治错颌畸形的
Anti-jaw (commonly known as “to wrap ”) need to be corrected in the deciduous period (about 4 years old). Most of the wrong jaw deformity to wait until after the tooth replacement, permanent dentition (12 to 14 years old) before correction. Because then the second molar eruption, in addition to the oral cavity of the third molar, the other permanent teeth have erupted, the permanent dentition has been formed, the development of permanent teeth root has also been completed, the upper and lower teeth occlusion between the adjustment is complete, you can Right jaw malformations to make a clear diagnosis of the type, and take the appropriate treatment methods for treatment. Correction is also easy to maintain a stable effect, there will be no major changes. In theory, children correction of the maxillary deformity