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目的:观察用弹力线牵引上颌尖牙的疗效。方法:应用弹力线牵引治疗11例埋伏阻生尖牙。结果:10例埋伏阻生尖牙萌出排齐,牙髓及牙周均正常,有效率为91%。结论:上颌尖牙埋伏阻生用弹力线牵引的方法可行、有效。
Objective: To observe the cupping effect of maxillary canines by elastic thread. Methods: Eleven patients with impacted canines were treated with elastic thread traction. Results: Ten cases of impacted obtuse canines were erected, their pulp and periodontal were normal, and the effective rate was 91%. Conclusion: The maxillary canine impacted obstruction by elastic line traction method is feasible and effective.