Orthodontic treatment aims to straighten up teeth, provide a proper occlusal relationship between teeth, and maintain healthy orofacial functions. Crowding of dental arches occurs as a result of arch size discrepancies, tooth size discrepancies, and sometimes transverse arch discrepancies. Such discrepancies, however, may negatively affect psychological well-being, as they can impair individuals’ appearance, speech, and stomatognathic system functions.^1–3

中文翻译：

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横断面和矢状面制作过程中lat形式的计算机断层扫描评估以及第一磨牙和犬牙冠角度的影响

正畸治疗的目的是使牙齿变直，在牙齿之间提供适当的咬合关系，并保持健康的口腔功能。牙弓的拥挤是由于牙弓大小差异，牙齿大小差异以及有时是横向牙弓差异引起的。但是，这种差异可能会对心理健康产生负面影响，因为它们会损害个人的外貌，言语和口吻系统的功能。^1–3