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出 处:《保健医学研究与实践》2014年第2期47-48,51,共3页Health Medicine Research and Practice
摘 要:目的探讨自锁托槽不拔牙矫治前牙拥挤的临床效果。方法随机选取我院口腔科2009年1月-2013年1月收治前牙拥挤患者54例,采用随机数字表法分为对照组和自锁托槽组,每组各27例。对照组患者采用传统MBT直丝弓托槽不拔牙矫治,自锁托槽组患者采用Quick自锁托槽不拔牙矫治,比较2组患者矫治前后的牙弓宽度、上前牙凸度、牙列排齐时间及矫治总时间。结果对照组和自锁托槽组患者矫治后前磨牙间宽度水平与矫治前相比均有提高,但自锁托槽组患者提高程度高于对照组,差异有统计学意义(P<0.05);2组患者矫治后上前牙凸度水平均显著高于矫治前,但对照组患者提高程度大于自锁托槽组,差异有统计学意义(P<0.05);排齐牙列所需时间及矫治总时间自锁托槽组较对照组均有所减少,2组比较差异有统计学意义(P<0.05)。结论自锁托槽不拔牙矫治前牙拥挤患者的效果明显优于传统直丝弓托槽,通过扩展双尖区牙弓宽度来获得牙列排齐所需间隙,从而减小排齐过程中的前牙唇倾,明显缩短排齐牙列的时间和总的矫治时间,提高了矫治效率,值得在不拔牙矫治病例中推广应用。Objective To investigate the clinical effect of non-extraction treatment with self-ligating bracket on anterior teeth crowding. Method 54 cases of patients with anterior teeth crowding received in the department of stomatology of our hospital from January 2009 to January 2013 were divided into the control and self-liga- ting bracket group with random number table method, 27 cases in each group. The control group were given non-extraction treatment with traditional MBT straight-wire brackets while the self-ligating bracket group were given non-extraction treatment with Quick self-ligating brackets. Arch width, upper anterior teeth convexity, dentition time and the total correction time were compared in both groups before and after their treatment. Re- sults After the treatment, the premolar width in both groups increased but the improvement level of the self- ligating bracket group was higher than that of the control group and the difference was statistically significant (P(0.05). The levels of upper anterior teeth convexity of patients in both groups were significantly higher af- ter their treatment, but the level of upper anterior teeth convexity of patients in the control group was higher than the self-ligating bracket group and the difference was statistically significant (P-~ 0.05). The dentition time and the total correction time in the self-ligating bracket group were shorter than the control group and the difference was statistically significant (P^O.05). Conclusion The effect of non-extraction treatment with self- ligating bracket on anterior teeth crowding is better than the non-extraction treatment with traditional MBT straight-wire brackets by extending the arch width of the double peak area to obtain the required space for den- tition so as to reduce the anterior teeth lip deformity in the process of teeth alignment, shorten the dentition time and the total correction time and improve the efficiency of its correction. It is worthy of further promotion for the non-extraction treatment.
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