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目的:观察渗透树脂治疗固定矫治后前牙唇面白垩斑的临床效果。方法:选取32例179颗患牙,参照ICDAS评估方法分为A、B、C组,观察治疗后即刻、1周及1年的治疗效果。结果:经ANOVA及Duncan多重比较,3组患牙疗效具有极显著差异(P<0.01),术前、术后1周及术后1年比较显示治疗效果不会随时间变化产生显著差异(P=0.91)。结论:渗透树脂治疗能改善患牙的美观,临床效果与患牙的病损程度有关,治疗1年后牙面颜色稳定。ICDAS方法是简单、有效、易掌握的评估方法。
Objective: To observe the clinical effect of infiltration resin on anterior lip labial chalazion after fixed orthodontic treatment. Methods: A total of 179 patients with 179 teeth were selected and divided into groups A, B and C according to the ICDAS assessment. The therapeutic effects were observed immediately after, 1 week and 1 year after treatment. Results: The results of ANOVA and Duncan multiple comparisons showed significant difference (P <0.01) between the three groups of teeth, preoperative, postoperative one week and postoperative one year showed that the therapeutic effect did not change significantly with time (P = 0.91). Conclusion: The treatment with infiltration resin can improve the appearance of the affected teeth. The clinical effect is related to the degree of the diseased teeth. The color of the tooth surface is stable after 1 year of treatment. The ICDAS method is a simple, effective and easy-to-use assessment method.