查询词典 mandibular

OBJECTIVE: To establish a three-dimensional finite element model of a mandibular molar with dental implant inserted in mandibular molar area using reverse engineering, and to provide mathematical model basis for biomechanics researches of stomatology.

目的：利用逆向工程快速建立含下颌磨牙种植义齿的颌骨三维有限元模型，为口腔生物力学的研究提供数学模型基础。

Methods Three mandibular impact fracture models were prepared using intact human mandibular specimens and simulated maxillary models according to the Hanau principle of articulator and a MTS-858 biological material testing machine.

目的 利用MTS-858生物材料试验机进行下颌骨撞击试验和三维有限元分析方法揭示下颌骨骨折生物力学机制。

The long-term stability after the mandibular protrusion Operation 11 patients with simple mandibular protrusion were applied cephalometry on 11 items pre-and one year after operation, and above 10 years later.

X线头影测量做为一种经典的颅面形态分析手段，其方法学存在一定的局限性，有限元法是一种在工程领域得到广泛应用的有效而可靠的数值计算方法，它能对颅面形态进行可靠精细的分析，是一种很有发展前景的分析手段，是对X线头影测量非常有益的补充。

Methods 100 dry adult mandibles' mandibular foramen were measured, including length of mandibular foramen and so on.

100例干燥下颌骨，对下颌孔的位置、下颌体长、下颌体高等多项指标进行测量。

Result:The anatomic correlating measurement,length:from the branches of facical nerve (to frontalis and orbicular muscle of eye) to Zygomatic arch marginal,paropia;Length :from facial nerve marginal mandibular branches to marginal mandibular.

结果：测量得到面神经颞支及其分支额肌支和眼轮匝肌支与颧弓下缘及眼外眦角的长度；面神经下颌缘支与下颌缘距离值。

Mandibular overdentures supported by magnetic attachments can be used to improve the maximal masticatory force, retention and masticator efficiency. Mandibular overdenture with 2 magnetic attachment has more value in clinic.

应用磁性附着体下颌全口覆盖义齿能有效改善覆盖义齿的咬合力、同位力和咀嚼效率；2基牙磁性附着体制作下颌全口覆盖义齿具有良好的临床应用价值。

This study concludes that the first erupted permanent tooth in Taiwanese children is either mandibular incisor or mandibular molar.

本研究显示，恒牙第一大臼齿及下颚门牙有相同的机会成为第一颗萌发出来之恒牙。

Mandibular prognathism is characterized by excessive mandibular growth, which may compromise the masticatory function and facial appearance, and this may distort the personality of the patient.

中文摘要下颚前突症的人乃是由於下颚骨发育过度致使下颚骨过长，而破坏脸型之和谐与齿列的功能，影响患者之心理。

The periostea of both experimental and control side of the mandibular ramus were taken and prepared, 2 of each 5 rabbits in a group were prepared for HE stain detection and 3 for proliferating cell nuclear antigen immunohistochemical detection.Results:1, The newly formed bone was detected on the lateral aspect of mandibular ramus after periosteal distraction. The bone was shaped like a hill. It looked very low and was full of holes at postoperative day 28. With the time of consolidation period lengthened, the newly formed bone matured gradually. X-ray examination showed the new bone shaped like a hill. The average values of new bone height at postoperative days 28,35,42 and 56 were 1.86 + 0.15mm, 2.29 + 0.29mm,3.19 + 0.13mm and 4.70 + 0.45mm. Histological examination of both HE stain and picricacid-fuchsin stain showed the increase in the number of osteoblasts and the change in the orientation of collagen fibers and bone trabecula. There were no significant differences between newly formed bone and original bone on the lateral aspect of mandibular ramus at postoperative day 56 histologically.2 Compared with the control side, the distracted periostea proliferated obviously under the microscope, and the number of periostealcells increased with satiation of cellular nuclear per unit area. The images of PCNA immunohistochemical stain of periosteum showed that the experimental periosteum proliferated obviously after distraction compared with the control side.

结果：骨膜牵张成骨的实验研究南京医科大学硕{学位论文l、骨膜牵张后，可见下领升支外侧的骨皮质上有新骨形成，新骨呈山峰状凸起，术后第28天的新生骨较低平，多孔隙，随着固定时间的延长，新骨逐渐成熟；下领升支前后向切线位X线投照显示新骨呈山峰样隆起；经测量，术后第28、35、42和56天组平均新生骨厚度分别为x.86士0.15mm、2.29士0.29mm、3.19士0.13mm和4.70 土0.45mm；脱钙骨组织的HE染色和不脱钙骨组织的苦味酸一品红染色的组织学观察均显示了新生骨在成骨细胞数量上的增长，以及胶原纤维和骨小梁排列方向上的变化，术后第56天的新生骨在组织学上与原升支骨组织已无明显区别。2、HE染色显示，与对照组相比较，实验侧骨膜增生明显，细胞间排列紧密，单位面积内骨膜细胞数增多，细胞核饱满；骨膜PCNA 免疫组化染色显示，与对照侧相比较，实验侧骨膜在牵张后出现了明显的增生迹象，PCNA阳性细胞分布紧密，单位面积内阳性细胞数较对照组多，靠近骨表面的骨膜中的阳性细胞数更多而且分布更为紧密。

The heritability of maxillary arch length (71.26%) was higher than the mandibular one (31.33%). The intraclass correlation coefficients were similar in dental crowding between MZ and DZ, with the lower in DZ. Low heritability of dental crowding was found in both maxillary (4.73%) and mandibular (10.3%) teeth. Conclusion The maxillary teeth MD, the mandibular teeth MD and the length of maxillary dental arch are controlled under strong genetic factors.

上下颌牙量遗传度较高，上颌为69.97%，下颌为75.73%；上颌牙弓弧长的遗传度(71.26%)明显高于下颌(31.33%)；单卵双生子和二卵双生子上下颌牙齿的拥挤度的对内相关系数较为接近，二卵双生子略低，遗传度很低，上颌为4.73%，下颌为10.3%。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐