Omichi S, Araki M, Endo M, Kawamura N, Usuki T
Gifu Shika Gakkai Zasshi. 1989 Dec;16(2):652-61.
In orthodontic diagnosis, one of the most important factors is to decide whether to extract or not to extract the permanent tooth. There are many so-called borderline cases. This difficulty is caused by his growth which can not be foreseen perfectly. We treated a borderline case without extraction, and established good occlusion.
在正畸诊断中，最重要的因素之一是决定是否拔除恒牙。存在许多所谓的临界病例。这种困难是由无法完全预见的生长导致的。我们治疗了一个未拔牙的临界病例，并建立了良好的咬合关系。
