protraction
- 网络延长;前伸;前突
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In the protraction movement , there was no significant difference in activities between the oral respiration group and the nasal breathing group ( P > 0.05 ) .
前伸运动:均未见显著性差异(P>0.05);
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Objective : To investigate the effectiveness of the mandibular Protraction appliance in the treatment of class ⅱ malocclusion .
目的:了解下颌前伸矫治器(MandibularProtractionAppliance,MPA)对AngleⅡ类错牙合的治疗效果。
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Design and Protraction for Oil Well Structure Drawing Based on Visual Basic
基于vb的油井结构图设计与绘制
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The Research and Automatic Protraction of Flux Tendency Line Based on GIS Technology
基于GIS的流量倾向线的自动绘制与研究
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Automatization Protraction of Mine Main Fan Characteristic Curve Based on Origin
基于Origin矿井主要通风机性能特性曲线的绘制
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Results The new anchorage implants were stable almost in every protraction experimental study .
结果在所有实验中支抗种植体稳定性良好。
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Neural net based Modeling Used in the Protraction Measurement for Thermal Expansion Die bolt
神经网络建模在热膨胀螺栓形变测量中的应用
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In addition , the most practical representation and protraction methods will be studied .
同时,探索出最适合箱包设计的表现与绘制方法。
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Establishment of an experimental animal model of maxillary protraction and cephalometric analysis
上颌前牵引动物模型建立与头影测量分析
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The experimental study of maxillary protraction through bone suture expansion in animals
上颌骨复合体骨缝牵张的动物实验研究
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Further protraction of the discussion will not achieve anything .
继续讨论下去并不能解决任何问题。
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Studies on the Mandibular Stress of People in the Position of Mandible Protraction
人体下颌骨前伸后的骨应力研究
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Protraction of manager performance is the key factor to the long-range development of state-owned industries .
经营者行为的长期化是国有企业长远发展的关键因素。
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Mandibular Protraction Appliance in the Treatment of Angle Class ⅱ Malocclusion
下颌前伸矫治器矫治安氏Ⅱ类错合的临床研究
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Preparation and clinical application of mandibular protraction appliance
下颌前方牵引器制作与应用
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For each patient , maxillary protraction was taken without maxillary expansion .
每例患者均未扩弓,只采用前方牵引矫治。
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Three-dimensional finite element method study on the maxillary protraction : the direction of the protraction
前牵引上颌的三维有限元研究:前牵引方向的探讨
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On Protraction of Manager Performance in State-Owned Industries
论国有企业经营者行为的长期化
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Application skills of AutoCAD in engineering geologic protraction
AutoCAD在工程地质制图中的一些应用技巧
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In main stress trace protraction , based on the character of main stress trace , propose an automatic method .
研究了一种简便快速的主应力迹线自动化绘制方法。
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Biomechanical study on 3-dimensional finite element model of maxillary protraction and the palate expansion
上颌前牵引联合腭部扩弓的三维有限元生物力学研究
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Objective To study the effects of ages on combined RME and maxillary protraction therapy .
目的研究年龄对于前方牵引联合快速扩弓矫治效果的影响。
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Result : The profile improved slowly more than half a year in maxillary protraction treated group .
结果:前方牵引后侧貌改善较慢,一般需半年以上。
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A preliminary study about the timing of maxillary protraction therapy for Angle ⅲ malocclusion
AngleⅢ患者上颌前牵引矫治时机的初步探讨
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Relationship between maxillary protraction treatment and changes of nasal profile in children of Chinese Han-nationality
汉族儿童上颌前方牵引与其鼻部侧面形态改变的关系
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The clinical investigation of the maxillary protraction in treatment of children Angle ⅲ anterior crossbite
前方牵引矫治儿童安氏Ⅲ类错牙合的临床研究
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Treatment of maxillary retrusion using maxillary protraction combined with rapid palatal expansion in different age
扩弓联合前牵引治疗不同年龄段的上颌发育不足
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Influence of simulating maxillary protraction on the position of maxilla in SD rats
模拟上颌前牵引对SD大鼠颅面部生长发育的影响
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Biomechanical study on 3-dimensional finite element model of simulated maxillary protraction after maxillary fissure repair
模拟修复上颌骨裂隙后前牵引受力的三维有限元生物力学研究
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To investigate the therapeutic effects of maxillary expansion and protraction in the primary dentition .
探讨在乳牙期利用固定扩弓矫治器前牵引的临床效果。