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拔牙

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This way is effective and feasible in regain artistic of diastem of anterior teeth extraction of adult orthodontic.

该方法对成人正畸时前牙区拔牙间隙的临时性修复不失为一种有效而可行的方法。

Objective To explore how to regain artistic of diastem of anterior teeth extraction of adult orthodontic .

该方法对成人正畸时前牙区拔牙间隙的临时性修复不失为一种有效而可行的方法。

Sicca infection. Most of these patients had an underlying heart disease. Dental caries and poor oral hygiene may be two factors that predispose patients to the infection.

根据文献的记载,在1993年以前,这类病例仅有十一例的报告;大多数病人先前有心脏疾病如先天性或风湿性心脏病,由於Neisseria sicca为人类口腔的常在菌,一般认为蛀牙、拔牙或口腔卫生不良是促进此病发生的重要因素。

Objective:To investigate the effects of extraction to the morphology of symphysis and the relationship between lower incisors retraction and the changes of the symphysis by evaluating the cephalograms of patients with Angle Class II Division 1 malocclusion.,in order to provide a reference to clinical treatment.

目的: 通过对安氏Ⅱ~1类错拔牙矫治前后的X线头影测量分析,观察矫治前后颏部形态的变化,并探讨下切牙内收量与颏部厚度和倾斜度变化之间的相关关系,以期为临床矫治设计提供一定的参考。

Sliding mechanic with active tieback is widely applied in preadjusted appliance in space closure. Several types of elastomers such as elastomeric ligatures, single unit elastic chain, and two units of elastic chain are used in active tieback.

随著越来越多的拔牙病例采用越来弹力橡皮圈来关闭拔牙间隙,临床上主动结扎使用的弹力橡皮圈包括结扎圈、单个的弹力链、两个单位的弹力链等。

Bimaxillary protrusion extraction cases, the application implant anchorage appliance, the incisor root resorption evident.

双颌前突拔牙病例,应用种植支抗矫治后,切牙牙根吸收明显。

The nonsurgical and nonextraction of patients make the upright and distal movement of molar and correction of midline more difficult.

非手术、非拔牙的选择给磨牙的竖直、远中移动及中线的调整带来很大困难。

Methods30 nonextraction patients treated in the department of orthodontics in Shandong University in the same time period were enrolled in this study. The threepoint bending test was used to measure the strain and stress of arch wires at 37?℃.

方法选取山东大学口腔医学院正畸科同一时期内收治的30例上颌后牙段基本无拥挤的非拔牙矫治患者,利用三点弯曲试验装置(MTS Tytron 250, USA),检测未经使用、使用4周、8周及12周的镍钛弓丝在37?

Key words: molar distalization;classⅡ malocclusion orthodontics;nonextraction

推磨牙向远中;安氏Ⅱ类错牙合;非拔牙矫治

After the analysis of the arch width change, the clinical effects of arch expansion with straight Ni-Ti wire were evaluated.

选择直钛镍丝扩弓的32例非拔牙矫治患者,分别测量扩弓前后牙弓宽度变化及牙槽座点位置变化。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。