主动自锁托槽和被动自锁托槽正畸治疗后牙根吸收的效果比较

Effect Comparison of Self-locking Brackets and Passive Self-locking Brackets for Root Resorption after Orthodontic Treatment

目的:对比研究使用主动自锁托槽和被动自锁托槽正畸治疗后患者的牙根吸收情况。方法:选择88例在某院完成牙齿矫治的患者为观察对象,将使用主动自锁托槽的44例患者视为观察组,将使用被动自锁托槽治疗的44例患者视为对照组,两组患者均采用MBT直丝弓矫治技术治疗,并在术后给予患者口腔锥束CT检查,将患者的牙根吸收率、吸收长度以及患者对正畸治疗的满意度进行对比。结果:在治疗后,观察组患者的牙根吸收发生率为13.64%,对照组为9.09%,P>0.05;观察组的牙根吸收长度(1.21±0.38mm)与对照组(1.16±0.47mm)差异不大,P>0.05;观察组患者对正畸治疗结果的满意度(93.18%)与对照组患者(95.45%)无明显差异,P>0.05。结论:在口腔正畸患者的治疗中,主动型和被动型的自锁托槽均会导致患者治疗后出现牙根吸收,但吸收程度均较轻,患者的满意度均较高。

Objective:To compare the effect of self-locking brackets and passive self-locking brackets for root resorption after orthodontic treatment. Methods: 88 patients who completed orthodontic treatment in a hospital were selected as observation objects. 44 patients with active self-ligating brackets were considered as observation group. 44 patients treated with passive self-ligating brackets were considered as control group. All the patients were treated with MBT straight wire orthopedic technique, and the patients were given postoperative oral cone-BEam CT examination after operation. The patients’ root resorption rate, absorption length, and patient satisfaction with orthodontic treatment were compared. Results: After treatment, the incidence of root resorption was 13.64% in the observation group and 9.09% in the control group, P>0.05. The root resorption length of the observation group(1.21±0.38)mm was not significantly different from that of the control group(1.16±0.47)mm, P>0.05;The satisfaction of the observation group with orthodontic treatment results(93.18%) was comparable to that of the control group(95.45%) with no significant difference, P>0.05. Conclusion: In the treatment of orthodontic patients, both active and passive self-ligating brackets will lead to root resorption after treatment, but the degree of absorption is lighter and patient satisfaction is higher.