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目的:探讨使用热激活镍钛弓丝在口腔正畸排齐整平牙列阶段出现牙齿疼痛的规律及对策。方法:应用MBT直丝弓矫治技术对26例安氏1类上、下牙列严重拥挤患者进行矫治,在排齐整平牙列阶段使用热激活镍钛弓丝,观察出现牙齿疼痛的情况。结果:26例患者在使用热激活镍钛弓丝排齐整平牙列过程中均出现不同程度及不同性质的牙齿疼痛,疼痛开始及持续时间也不相同。结论:使用热激活镍钛弓丝进行排齐整平牙列会出现一定程度的牙齿疼痛,通过调整弓丝型号,尤其是嘱患者自我调整口腔温度可以减轻疼痛,缓解不适。当然也存在一定的个体差异,注意区别对待。
OBJECTIVE: To investigate the regularity and countermeasures of tooth pain in the process of orthodontic alignment and orthodontics with heat activated nickel titanium arch wire. Methods: Twenty-six patients with severe crowding of upper and lower dentition of class I were treated by MBT straight wire appliance. Tooth pain was observed by thermal activation of nickel-titanium arch wire during alignment dentition. RESULTS: Twenty-six patients experienced tooth pain of varying degrees and different characteristics during thermal alignment of the titanium-titanium arch wire to align and level the dentition. The onset and duration of pain were also different. CONCLUSIONS: There is some degree of dental pain with heat-activated NiTi wires for aligning and aligning the dentition. By adjusting the archwire type, especially the patient's self-adjusting mouth temperature, the pain and relieve discomfort may be alleviated. Of course, there are also some individual differences, pay attention to the difference between treatment.