Fixed orthodontic treatment is rarely used on primary dentition.

固定正畸治疗一般很少在乳牙列上进行。

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Conclusion Regular scaling can effectively reduce the rate of gingivitis in fixed orthodontic treatment.

结论定期牙周洁治能有效降低固定矫治过程中牙龈炎的发生率。

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Results:121 cases of fixed orthodontic treatment with satisfactory results, reduce the treatment of complications and discomfort.

结果：121例固定正畸治疗者均获得满意效果，减少减轻了治疗中的并发症和不适感。

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