The biological anthropologist Christy Turner is an expert in the analysis of changing physical characteristics in human teeth.
生物人类学家克里斯蒂·特纳是分析人类牙齿的物理特性变化的专家。
Usually, age is determined by physical characteristics, such as teeth or bones.
通常说来，年龄是通过生理特征确定的，譬如牙齿或骨骼。
Objective To summarize the X ray characteristics of embedded anterior maxillary teeth.
目的总结上颌前牙埋伏阻生的X线影像特点。
Objective To investigate the characteristics and clinical features of the longitudinal fractures of posterior teeth and evaluate the therapeutic methods.
目的研究后牙冠根纵折的特点和临床表现，客观评价最佳的治疗和预防措施。
The macro characteristics, micro morphology, metallographic structure and carburized layer depth of the fractured teeth were observed and analyzed.
对断齿齿面的宏观特征、微观形貌、显微组织和渗层深度进行了观察、测试与分析。
Through the analysis of twin common gear characteristics in shifting system of machine tools, new calculation formula and determining method of the number of twin common gear teeth are established.
通过对机床变速系统中双公用齿轮传动特点的分析研究，建立了齿轮齿数设计的计算公式，提出了一种机床变速系统双公用齿轮齿数设计的新方法。
The effect of decentrations and teeth shape imperfections were examined by virtual prototyping model, which provided references to research on dynamic characteristics of gear driving device.
基于虚拟样机仿真研究了齿轮偏心、轴偏心、轮齿磨损等缺陷对啮合力的影响，为深入研究齿轮传动系统动态特性提供了理论参考依据。
A method of building the finite element model of swing movable teeth reducer was put forward according to the characteristics of the construction of swing movable teeth reducer.
针对摆动活齿减速器的结构特点，提出了摆动活齿减速器的有限元模型的建模方法。
Compared with labial bracket, the brackets of superoanterior teeth have more typical characteristics.
与唇侧托槽相比上，前牙舌侧托槽更具典型特征；
Objective the aim of this study was to measure and analyze the anatomic characteristics of the pulp chamber of Chinese permanent anterior teeth radiographically.
目的探讨中国人恒前牙髓室影像解剖学特征及其与牙体外表特征的关系。
PURPOSE: to isolate and culture dental pulp stem cells from human deciduous teeth, then to analyze their biological characteristics and potential to be induced to osteoblasts.
目的：体外分离、培养人乳牙牙髓干细胞，分析其生物学特征及向成骨细胞诱导分化的能力。
Objective: To observe the mechanism and characteristics of the effect of the removable partial dentures onthe abutment teeth and periodontal health.
目的：深入了解可摘局部义齿对基牙牙体、牙周组织健康影响的机制及特点。
Objective To analyse whether there exist the characteristics of double sided symmetry of youths′ homonym teeth.
目的分析青年人左右侧同名牙牙动度参数是否有双侧对称性。
The eruption of permanent teeth has certain characteristics, mainly temporal and sequential.
恒牙萌出有一定的规律，主要表现在时间和顺序两个方面。
Mostly bones and teeth used as a classification of traditional taxonomic zoology. Fur characteristics were counted as a reference, the characteristics of fur and hair were overlooked.
传统的兽类分类学仅把哺乳动物毛皮特征作为参照，多以骨骼和牙齿作为分类依据，淡化了毛和毛被的分类鉴别作用。
Therefore, a deep understanding of the temporal and sequential characteristics of permanent teeth eruption will help dentists in the prevention and treatment of dental diseases.
因此，了解乳恒牙替换的时间和规律，为口腔医生对儿童口腔疾病的预防和治疗提供了参考依据。
Therefore, a deep understanding of the temporal and sequential characteristics of permanent teeth eruption will help dentists in the prevention and treatment of dental diseases.
因此，了解乳恒牙替换的时间和规律，为口腔医生对儿童口腔疾病的预防和治疗提供了参考依据。
应用推荐