摘要
目的分析微螺钉种植体作为支抗压低上切牙的临床效果。方法将21名深覆牙合患者分为两组,微螺钉组在两侧上颌侧切牙与尖牙之间靠近牙根部植入微螺钉,用橡皮圈-结扎丝将微螺钉和上颌中切牙和侧切牙连起来,每侧即刻加力100g,每4周更换一次橡皮圈。J钩组在双侧侧切牙和尖牙之间方丝上置牵引圈,用J钩和橡皮圈将上切牙连于头帽上,每侧加力100g,高位牵引。矫治前后通过测量,比较上切牙压低程度。结果微螺钉组上切牙平均压低3.51mm,J钩组平均压低2.47mm。两者之间有显著性差异。结论微螺钉种植体作为支抗性能稳定,疗效肯定,操作简单,是矫治深覆牙合的理想支抗选择。
Objective To analyze the clinical effective of intrude the maxillary incisors with microscrew anchorage.Methods Totally 21 patients with deepbite were divided into two groups,in microscrew group,microscrews were implanted into each side between the lateral incisor and the canine,near the roots.Connected the microscrew and the incisor with elastometric chain,100g force each side was applied immediately,changed the elastometric chain every 4 weeks.In J-hook headgear group,elastomeric rings and J-hook were used to connect the incisors and headgear,100g force per side.Compared the degree of the incisor intrusion before and after treatment.Results In microscrew group,the average distance of the incisor intrusion was 3.51mm,in J-hook headgear group,it was 2.47mm.There was a significant difference between the two groups.Conclusions With stabile capability,affirm curative effect,and easy operation,the microscrews implant was an ideal anchorage to intrude the maxillary incisors.
出处
《医药论坛杂志》
2011年第8期8-10,共3页
Journal of Medical Forum
基金
河南省卫生厅科技攻关项目(200903077)
郑州市科技局基金资助项目(083sgys263-11)
