牙列

Dept. of Orthodontics, College of Stomatology, Capital Medical University, Beijing 100050, China

这种利用牙列的矫形方法不仅不能提供满意的支抗，而且还会产

This method is excellent on vertical control of crowded teeth with low degree overbite patient.

此法对于矫治牙列拥挤时垂直距离的控制具有重要的临床价值。

Methods The sample consists of 96 patients with maxillary protrustion,overbite and crowding,during the period of treatment,the segmental arch technique was used in one or some stages of the courses of correction.

对96例牙列拥挤和前突型深覆患者应用三件式、二件式、单件式片段弓矫治技术进行治疗，在矫治过程中应用生物力学原理分析、研究了片段弓的力学机理。

Unfortunately this indirect application of force limits the potential for orthopedic change and often causes undesirable tooth movement and root resorb.

这种利用牙列的矫形方法不仅不能提供满意的支抗，而且还会产生各种不理想的牙齿移动和根吸收。

Inspired by the experience of treating limb fracture by the combined method of Chinese and Western medicine, we treated 19 cases of simple fracture in the mandibular chin area by wiring the mandibular dentition.

由于中西医结合治疗四肢骨折的经验启示，我们对19例下颌骨颏区单纯性骨折采用了下颌牙列结扎治疗。

Objective To evaluate the clinical effect of mandible occlusal splint for mandible bone fracture without obvious deviation.

目的探讨全牙列颌垫用于无明显移位下颌骨骨折治疗的临床效果。

The clinical application of Vitallium 2000 casting removable partial denture SUN Feng.

铸造可摘支架义齿是目前牙列缺损修复中最常用的修复方法之一。

Key words:elastic traction; aligning;anchorate;OPA-K

弹力牵引；排齐牙列；支抗；OPA-K

Results Dismountable 3-D finite element model of mandible with denture is estab lished.

结果得到具有可拆卸性、多用途的下颌骨及下牙列的三维有限元模型。

Their different part of denture were ground artificially to establish an animal model of infraocclusion.

采用人工磨低大鼠不同牙列段牙齿的方法建立低位咬合动物模型，于干预后1，2，4wk后将各组分别处死大鼠4只。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。