正畸治疗的主要目标是在咬合关系、牙颌面部美学以及长期治疗稳定性之间建立最佳平衡关系,当各部分之间的关系通过矫治取得协调,矫治结果必然是稳定和持久的.从咬合关系而言,上下牙量协调即Bolton指数正常是理想牙齿排列和牙弓间关系重要基础之一,而Bolton指数是评价上下牙量协调与否的指标之一,可以初步预估矫治完成后是否能建立正常的咬合关系,Bolton指数异常是临床中常见的现象,学者们关于Bolton指数进行了大量研究,其中仍存在很多不同观点.%The main goal of orthodontic treatment is to establish the optimal balance in occlusal relationship,dental and facial aesthetics,and long-term treatment stability.Through orthodontics,the relationship is reconciled and the outcome of treatment is stable.From the occlusal relationship,the coordination of upper and lower teeth,namely the normal Bolton index,is one of the important foundations for the relationship between ideal tooth arrangement and dental arch.The Bolton index is often used to evaluate tooth size harmony of the upper and lower teeth,which is one of the commonly used indicators of normal occlusion establishment.Bolton index discrepancy is a common clinical phenomenon.Scholars have done a lot of research on the Bolton index,and there are many different opinions.
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