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本文目的是回顾有关正畸治疗中对第三磨牙处理的研究。 目前对是否拔除第三磨牙主要有以下两种观点:①应该预防性拔除第三磨牙。②没有科学依据证明第三磨牙与正畸和牙周问题间存在因果关系。以下3个问题对正畸临床医生十分有益:①第三磨牙和下切牙拥挤间的关系;②能否预测第三磨牙的阻生;③在正畸治疗结束时对第三磨牙的处理有无什么原则。 Bishara等发现从青春期到成人牙弓长度随年龄增长,男性为2.7mm,女性为3.5mm,Fastlicht(1970)发现
The purpose of this paper is to review the study of the treatment of third molars in orthodontic treatment. The current removal of the third molars are the following two main points: ① should be preventive removal of the third molars. ② there is no scientific evidence that there is a causal relationship between the third molar and orthodontic and periodontal problems. The following three questions are of great benefit to the orthodontic clinician: (1) the relationship between the third molars and the crowding of the incisors, (2) the ability to predict the implosion of the third molars, (3) the treatment of the third molars at the end of the orthodontic treatment What principle? Bishara et al. Found that dental arch length from adolescence to adult increases with age, with a male of 2.7 mm and a female of 3.5 mm, found by Fastlicht (1970)