>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-11 共查到nkel相关记录11条 . 查询时间(0.085 秒)
A statistical evaluation of condyle position and mandibular length changes in 10 patients after one year of Fränkel appliance therapy, finding the condyle forward on the eminence in 4 of them. ...
A statistical comparison of some effects of Fränkel, activator and extraoral traction therapy. Maxillary retraction was greatest with high-pull headgear. Lower face height was too variable to...
Four case reports demonstrating different responses to treatment with the Fränkel appliance in varied situations.
An implant study using postero- anterior cephalometric radiographs to evaluate expansion effects of the Frankel appliance. Significant alveolar and apical base expansion was found in the treatment...
Fifty patients treated with Fränkel and fifty treated with Edgewise appliances are compared, finding Edgewise more effective in maxillary retraction and torque control, and Fränkel produ...
A study of 50 cases treated with the Fränkel appliance shows significantly greater increase in bigonial width and related decrease in frontofacial taper as seen in the P–A cephalometric view ...
The purpose of this investigation was to evaluate the dentoalveolar and skeletal cephalometric changes produced by the Fränkel appliance in individuals with a Class II, division 1 malocclusio...
The objective of this study was to compare the occlusal changes of Class II malocclusion treatment provided by two different types of appliances. Group 1 comprised 25 patients treated with the Fr&...
目的 了解Fr? nkel 矫治器治疗安氏Ⅱ类错 过程中,髁突和下颌位置的变化情况。方法 选择经Fr? nkel矫治器治疗成功的安氏Ⅱ类错 患者30 例,男女各15 例,对其治疗前后的头颅侧位定位片进行X线头影测量重叠分析。结果 ①前颅底结构重叠显示治疗后患者的髁突点、下颌角点和颏前点发生明显的下移,同时男性患者颏前点发生明显的前移。②下颌结构重叠显示治疗后患者的髁突点发生明显的上移和后移(移位比...
目的 探讨Fr¨ankel Ⅱ型功能矫治器对儿童上气道变化的影响。方法 随机抽取经Fr¨ankel Ⅱ型矫治器治疗的安氏Ⅱ类1 分类错 患儿20 例,其中男、女各10 例,年龄9~10 岁,比较其X线头颅定位侧位片中上气道矢状径在治疗前后的变化。结果 治疗后,儿童骨性鼻咽( PNS-Ba) 、Mcnamara 线、软腭—软腭后咽壁距(SPP-SP2PW) 、舌咽部最小距离(P- T) 和喉咽部会厌...
目的: 探讨安氏Ê 类1 分类骨性错 经FR2É、Ê 型矫治器治疗前后八因素变化。方法: 对17 例安氏Ê 类1分类骨性错 患者经FR2É、Ê 型矫治器治疗前后进行X 线头影测量, 分析对比治疗前后八因素的改变。结果: FR矫治器可促进髁突的前下生长, 均使下颌体、下颌支增长, 颅底角减小以及上颌骨向前旋转, 有利于&Ec...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...