摘要
背景:增加微种植体稳定性,减少其失败率,正确的利用微种植体支抗,已经成为人们关注的问题。目的:观察两种不同定位方法对正畸微种植体植入成功率的影响。方法:选取2008-06/2010-06解放军101医院口腔科收治的38例需在双侧上颌第二双尖牙和第一磨牙间植入微种植体的正畸患者,每例患者随机挑选一侧采用口内装置放置金属丝,结合X射线平片辅助定位指导微种植体植入,作为传统定位组;另一侧,采用三维导板定位,引导微种植体植入,作为三维模板定位组,观察两组微种植体脱落情况。结果与结论:经5～7个月的临床使用观察,传统定位组29颗微种植体稳定,9颗发生松动,成功率76.3%;三维模板定位组36颗微种植体稳定,2颗发生松动,成功率达94.7%。三维模板定位组成功率明显高于传统定位组(P<0.05)。提示与传统定位方法相比,三维导向植入可以使正畸微种植体达到最佳植入部位,从而有效降低种植体支抗的失败率。
BACKGROUND：It is an issue of concern to increase the stability of micro-implants,reduce the failure rate,and correctly use micro-implant anchorage.OBJECTIVE：To observe the influence on the success rate of orthodontic micro-implant using two kinds of positioning methods.METHODS：Thirty-eight patients who required implant anchorage were evaluated.All the implants were imbedded in the alveolar bone between the maxillary second premolar and first molar.One side of each patient was randomly selected to imbed micro-implant by using X-ray film,as the A group;the other side using three-dimensional plate,as the B group.RESULTS AND CONCLUSION：After 5-7 months of clinical use of implant anchorage,29 micro-implants of the A group were stable,9 loosened,AND the success rate was 76.3%;36 micro-implants of the B group were stable,2 loosened,and the success rate was 94.7%.The success rates of two groups were significantly different（P 0.05）.Compared with the traditional positioning method,the three-dimensional guide of orthodontic micro-implant may achieve the best implant site,thus effectively reducing implant anchorage failure rate.
出处
《中国组织工程研究与临床康复》
CAS
CSCD
北大核心
2011年第39期7247-7250,共4页
Journal of Clinical Rehabilitative Tissue Engineering Research
