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搜索结果: 1-14 共查到口腔正畸学 Activator相关记录14条 . 查询时间(0.125 秒)
采用Activator 矫治骨性Ⅱ类错牙合,以评价矫治器对颅颌面部软硬组织的影响,探讨Activator 矫治器的作用机制。方法 30 例生长发育高峰前期的骨性Ⅱ类错牙合患者作为治疗组,应用Activator 矫治器进行功能性矫形治疗;20 例同龄骨性Ⅱ类错牙合畸形的志愿者,作为对照组。收集治疗前后的X 线头颅侧位片进行头影测量分析,使用SPSS 11.0 统计软件对数据进行配对t 检验分析。...
Objective: To test the null hypothesis that increased tooth displacement in ovariectomized rats is not related to differential expressions of OPG and RANKL in the periodontium. Materials and Method...
Cephalometric Observations In Class II, Division I Malocclusions Treated With The Activator.
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...
The purpose of this study was to analyze the types and prevalence of malocclusions that remain to be corrected after a period of combined activator-headgear treatment. Study models of all patients...
The aim of the present longitudinal cephalometric study was to evaluate the dentofacial shape changes induced by activator treatment between 9.5 and 11.5 years in male Class II patients. For a rig...
Effective condylar growth (a summation of condylar remodeling, glenoid fossa remodeling, and condylar position changes within the fossa) and its influence on the position of the chin was analyzed ...
The aim of this prospective longitudinal clinical and magnetic resonance imaging (MRI) study was to analyze the effect of Activator treatment on the disc-condyle complex and the posterior attachme...
In studying the response of the glenoid fossa to mandibular protrusive appliances, apart from the condyle, much attention has been focused on what happens to the posterior wall of the fossa (postgle...
The aim of this study was to comparatively evaluate the effects of an activator-headgear (HG) combination to a Jasper Jumper (JJ) plus occipital HG, which was incorporated into removable upper and...
This retrospective study (1) cephalometrically investigates the effectiveness of activator therapy, (2) evaluates the contribution of skeletal growth in the self-correction of the Class II malocclus...
This study assessed the stability of the headgear-activator combination treatment, followed by edgewise mechanotherapy, 5.75 years after treatment. The experimental group consisted of 23 patients ...
Objective: To assess possible differences in dentoskeletal effects and “effective” temporomandibular joint, maxilla, and chin changes between good and bad responders to van Beek activator treatment.Ma...

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