改良固定斜面导板矫治第二磨牙正锁

›› 2014, Vol. 34 ›› Issue (9): 655-657.

改良固定斜面导板矫治第二磨牙正锁

陈金林¹,刘正彤²,许海军²,王思³,胡小坤⁴

1. 江苏省盐城市口腔医院
2. 盐城市口腔医院
3. j江苏省盐城市口腔医院
4. 南京医科大学附属口腔医院

收稿日期:2014-02-13 修回日期:2014-03-19 出版日期:2014-09-26 发布日期:2014-10-07
通讯作者: 胡小坤 E-mail:huxiaokun80@126.com

Clinical observation of modified fixed inclined bite plate for correcting locked second molar

Received:2014-02-13 Revised:2014-03-19 Online:2014-09-26 Published:2014-10-07

摘要/Abstract

摘要： 目的观察应用改良固定斜面导板矫治第二磨牙正锁 后牙结构的变化。方法应用改良固定斜面导板矫治24例上颌第二磨牙正锁伴安氏Ⅱ类错畸形。男9例，女15例，年龄12～15岁，平均13.5岁，并进行术前、术后X线头影测量分析。结果经过3～4个月的矫治，上颌第二磨牙正锁解除，下颌前移，尖牙及磨牙关系由Ⅱ类变为Ⅰ类，软组织侧貌改善明显更趋协调，下颌磨牙牙冠高度明显增加，上颌磨牙萌长不明显。结论改良固定斜面导板矫治上颌第二磨牙正锁合并安氏Ⅱ类错畸形，快速有效，不引起上颌磨牙的伸长，获得满意的软硬组织变化，尤其适用于低角患者。

关键词: 改良固定斜面导板, 第二磨牙, 正锁

Abstract: Objective To investigate the changes of occlusal relationship during the treatment of the second molar scissors bite with modified fixed inclined biteplate. Methods 24 cases (9males,15females,aged from 12~15 years,with the average age of 13.5 years old) were treated with modified fixed inclined biteplate. Cephalometric analysis was carried out before and after treatment.Results After 3 to 4 months′ treatment,the scissors bite of the second maxillary molars was corrected. The mandible showed forward movement. Occlusal relationship came to class I,and the soft tissue profile has improved greatly. The clinical crown height of mandibular molars grew significantly while the growth of upper molars was unobvious. Conclusions Modified fixed inclined plate is a simple but effective intraoral device in treatment of the second maxillary molar with buccal crossbite. It did not cause the clinical crown height of maxillary molar to grow,and the hard and soft tissue changes are satisfactory. This kind of device especially applies to the treatment of the lowangle patients.

Key words: modified fixed inclined plate, second molar, scissors bite

中图分类号:

R783.5

陈金林刘正彤许海军王思胡小坤. 改良固定斜面导板矫治第二磨牙正锁[J]. 口腔医学, 2014, 34(9): 655-657.

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