[磨牙压低种植支抗的临床评价：短期结果报告]
[Clinical evaluation of implant anchorage for molar intrusion: report of the short-term results].
作者信息
Mao Li-xia, Wu Yong, Fang Bing, Zhang Zhi-yong, Huang Wei, Lou Xin-tian, Feng Yi-miao, Xia Yun-hui
机构信息
Department of Oral and Maxillofacial Surgery, College of Stomatology, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Research Institute of Stomatology, China.
出版信息
Shanghai Kou Qiang Yi Xue. 2007 Oct;16(5):475-9.
PURPOSE
The purpose of this study is to evaluate the efficiency and security of self-drilling mini-screw implant anchorage for molar intrusion, to achieve the right position of the mini-screw implant.
METHODS
Ten patients with overerupted maxillary molars were selected, aging from 25 to 53 years old, the average age was 33 years old. There were 2 men and 8 women. All the overerupted molars were intruded in gingival direction with mini-screw implants anchorage.
RESULTS
The mean intrusive movement of the overerupted maxillary molars was 3 mm, the mean treatment time were 3.5 months.All of the missing teeth were treated by prosthetic treatment. No obvious root resorption, pulp necrosis and tooth loosen were found.
CONCLUSIONS
Significant true intrusion of maxillary molars could be obtained by mini-screw implant as bony anchorage.Supported by Shanghai Leading Academic Discipline Project (Grant No.Y0203) and Research Fund of Science and Technology Committee of Shanghai Municipality (Grant No.05B224).
目的
本研究旨在评估自攻型微型螺钉种植体支抗用于磨牙压低的有效性和安全性，以实现微型螺钉种植体的正确定位。
方法
选取10例上颌磨牙过度萌出患者，年龄25至53岁，平均年龄33岁。其中男性2例，女性8例。所有过度萌出的磨牙均采用微型螺钉种植体支抗向牙龈方向压低。
结果
上颌过度萌出磨牙的平均压低移动量为3mm，平均治疗时间为3.5个月。所有缺失牙均进行了修复治疗。未发现明显的牙根吸收、牙髓坏死和牙齿松动。
结论
微型螺钉种植体作为骨支抗可实现上颌磨牙的显著真性压低。由上海重点学科项目（批准号：Y0203）和上海市科委科研基金（批准号：05B224）资助。
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