摘要
目的:探讨阻塞性睡眠呼吸暂停低通气综合征(obstructive sleep apnea hypopnea syndrome,OSAHS)患者口腔矫治器治疗时下颌逐步前伸对髁状突位置变化的影响。方法:采用CT、Mimics、Imageware及Ansys有限元分析软件建立OSAHS患者颞下颌关节、下颌骨及上气道的三维有限元模型,分别模拟下颌位于最大前伸量的20%、40%、60%、68%、70%、75%、80%、100%时,观测关节间隙(前、上、后)的位置变化。结果:下颌逐步前移不同量时,关节间隙的大小也发生着相应的变化。随着下颌骨水平前移量的增加,关节间隙的大小也不断增大,以关节前间隙的变化最明显,关节上间隙的变化次之,关节后间隙的变化再次之。结论:通过观测OSAHS患者髁状突的位置变化,为临床利用口腔矫治器治疗OSAHS从颞颌关节方面提供理论基础。
Objective：To explore the effects of gradual mandibular forward on condyle position changes among patients with obstructive sleep apnea hypopnea syndrome（OSAHS）.Methods：Three-dimensional finite element model of mandible and temporomandibular joint was constructed using CT,Mimics,Imageware and Ansys software.Changes in positions of joint space（anterior,superior and posterior）were estimated when mandible forward in 20%,40%,60%,68%,70%,75%,80% and 100% of the maximum protrusion. Results：As the mandible gradually forwarding,joint spaces underwent corresponding changes.With the increase in forward level of the mandible,displacement of the joint space was also increased;the most obvious gap was the anterior,followed by the superior and posterior.Conclusions：Observation on condyle position changes in patients with OSAHS provides a theoretical basis for clinical use of oral appliance in the treatment of patient with OSAHS from the temporomandibular joint.
出处
《重庆医科大学学报》
CAS
CSCD
北大核心
2013年第7期791-794,共4页
Journal of Chongqing Medical University
基金
国家自然科学基金资助项目(编号:81260171)
关键词
颞下颌关节
髁状突
三维有限元
阻塞性睡眠呼吸暂停低通气综合征
temporomandibular joint
condyle
three-dimensional finite element
obstructive sleep apnea hypopnea syndrome
