| 夏璐史衍辉赵堂民△ 兰赟.GMD 应用于安氏II 类错牙合非拔牙矫治的临床分析[J].,2011,11(11):2156-2158 |
| GMD 应用于安氏II 类错牙合非拔牙矫治的临床分析 |
| Application of Greenfield Molar Distalization in Non-Extraction Treatmentof Angle's ClassII Malocclusion Patients |
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| DOI： |
| 中文关键词: 安氏II 类错牙合 非拔牙矫治 GMD 矫治器 适应症 |
| 英文关键词: Angle's ClassII malocclusion Non-extraction treatment Greenfield Molar Distalization(GMD) appliance |
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| 中文摘要: |
| 目的：探讨安氏II 类错牙合非拔牙矫治中GMD 矫治器的疗效和适应症。方法：选择36 例恒牙早期安氏II 类病例，主要表
现为以乳磨牙早失形成的磨牙近移或上牙列轻中度拥挤的的非拔牙患者为研究对象，通过运用GMD 推磨牙装置远移磨牙开辟
后牙间隙。结果：36 例患者中除1 例因上切牙唇倾致患者对面形不满意而改行拔牙矫治外其余患者均取得了较好的疗效。第一磨
牙平均远移5.6mm，远移到位平均4-5 个月。磨牙建立中性关系。结论：GMD 装置是一种快速有效的推磨牙向后的矫治器，但要掌
握好适应症才能取得成功。 |
| 英文摘要: |
| Objective: To evaluate the clinical effect of Greenfield Molar Distalization (GMD) appliance. Methods: A total of 36
patients with Class II malocclusion were treated with GMD appliance, without extraction. Then the effects were evaluated through preand
post-distalization cephalometric radiographs and the dental models analysis. Results: GMD appliance can move the maxillary molar
successfully. The moving mode of the maxillary molar distalization by GMD appliance is nearly translation. Conclusion: GMD device is
a fast and effective , backward molar appliance. Mastering the indication is also the key to successful treatment. |
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