磨尖

The length, width, axial gradient for the crowns,the heigh of gingival line,the width of anterior dentition and the ratio of crista marginalis of their teeth were measured and analysed in their photographs and dental casts after orthodontic treatment.

测量关于正畸治疗后上颌第一前磨牙和对侧尖牙的龈缘线高度和牙齿形态的6项指标：龈缘线高度、临床冠长度、宽度、单侧前牙列宽度、轴倾度和近远中边缘嵴比，进行两均数配对t检验，观察分析两组的差异。

Therefore, we have decided upon a very gentle curvature from the cuspid back to the second molar with the bicuspids being slightly wider than the cuspids.

因此，我们决定了一个非常轻柔曲率从尖牙回到第二磨牙与bicuspids被略宽比cuspids 。

The differences in the cuspid and the first molar distances of the casts were measured to determine the surgical change and the relapse.

分别测量每个模型两侧尖牙和第一磨牙近中腭面外形高点连线距离。

Three of the ten were adult denture crowded patients, the others were adults with bimaxillary protrusion. MAS mini-implant were implanted in 15, 16 and 25, 26 separately. The mini-plants were utilized with the rubber chain, ligature silk to move the cuspid to diatal and to adduct the anterior teeth.

收集武汉大学中南医院口腔正畸科就诊成人牙列重度拥挤患者3例，成人双颌前突患者3例，分别在他们15、16和25、26间各植入一枚MAS微型种植体，利用橡皮链，结扎丝和镍铬弹簧等与微植体相连牵引尖牙向远中移动、内收前牙、防止磨牙支抗丧失。

Methods: Mini-implant was used in ten cases as orthodontics anchorage. Three of the ten were adult denture crowded patients, the others were adults with bimaxillary protrusion. MAS mini-implant were implanted in 15, 16 and 25, 26 separately. The mini-plants were utilized with the rubber chain, ligature silk to move the cuspid to diatal and to adduct the anterior teeth.

收集武汉大学中南医院口腔正畸科就诊成人牙列重度拥挤患者3例，成人双颌前突患者3例，分别在他们15、16和25、26间各植入一枚MAS微型种植体，利用橡皮链，结扎丝和镍铬弹簧等与微植体相连牵引尖牙向远中移动、内收前牙、防止磨牙支抗丧失。

World Health Organization clinical trials to prove substantial, resulting in tooth decay due to the large population of harmful bacteria, the functional characteristics of type toothbrush display type in its unique design and high-quality brush sanding dual filament tip to the forward bending of the back of hard-depth Brush laniary site, around the teeth close to teeth, dental plaque thoroughly cleaned; arc mitigation brush too much force caused by gingival bleeding and abnormal wear and tear; follow internal alveolar brush with regulation, in-depth teeth cleaning teeth bacteria grouper; display type brush to help clean and dry quickly to curb the breeding of germs.

世界卫生组织大量临床实验证明，产生蛀牙的原因是有害细菌的大量繁殖，功能型牙刷的特色在于其独特展示型刷头设计及优质双尖磨毛细丝，能向前弯曲，深入后排难刷大牙部位，包住牙齿紧贴牙缝，彻底清洁牙菌斑；弧型刷头缓解用力过猛而导致的牙龈出血和异常磨损；跟着牙槽内部排列调节刷头，深入牙缝清洁牙菌斑；展示型刷头，有助于快速清洁和晾干，抑制细菌滋生。

METHODS: Three-dimensional finite element mandible model was established based on the CT scanning data. The mini-implant was implanted in the region between first mola and second premolar at 30°, 60° and 90° tilted mesiolly, and 30° and 60° tilted occlusally, respectively.

应用颌骨CT扫描图象建立三维有限元模型，在下颌第1磨牙及第2双尖牙间分别以牙合向30°，60°，90°，近中向30°，60°植入种植体，给以水平方向1.96 N 加载。

In all case, centric relationship of canine and 1st molar was obtained, with normal overbite and over-jet of anterior teeth.

全部病例均达到尖牙和磨牙的Ⅰ类关系、牙列整齐、前牙覆覆盖正常。

Stomatology doctors found that children 7-12 years old are deciduous, the turn of the permanent teeth, tooth development as well, upper and lower dental contact some teeth too sharp, uneven teeth and maxillofacial, and the resulting high or obstacles Night is caused by the teeth of the important reasons.

口腔科医生发现，儿童在7至12岁是乳牙、恒牙的交替过程，如牙齿发育不好，上下牙颌接触时有的牙尖过高，咬颌面不平，因此造成的高点或障碍点是引起夜磨牙的重要原因。

The distance between the line tom the intersecting point of the mandibular nerve and greater superficial petrosal nerve to the lateral lip of the internal acoustic meatus and the porus trigeminus was (8.04±0.99)mm.

颅中窝手术入路操作中，在下颌神经与岩浅大神经交点和内耳门后缘的连线的内侧磨除岩尖部骨质时，不容易损伤耳蜗。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。