目的调查青年人恒牙牙齿形态和数目异常的状况。
Objective To investigate the status of number and morphology anomalies in the permanent teeth.
观察夹心板修复体恢复牙齿形态功能与维护牙龈健康的效果。
Objective: to investigate effect of sandwich restoration on repairing tooth deface and preserving the gingival.
牙齿形态发生包括一系列决定器官发育启始和结构调控的过程。
Tooth morphogenesis is a series of process including the initiation of organogenesis and the regulation of structures.
目的：研究前牙反牙合对牙齿位置的影响及与牙齿形态的相关联系。
Objective: To study the influence of anterior crossbite on the position and morphology of teeth.
该新属的牙齿形态显示了其树栖松鼠的特征，而且可以归入甚为稀有的巨松鼠族。
Characters of the latter's dentition clearly demonstrate that the new-comer of ratufin is a tree squirrel;
（取模需要的材料如上）口腔取模通过先阴后阳如印章般可以较为准确地表现出一个人的牙齿形态。
Making teeth model is like engrave a seal, using the technique of both intaglio and rilievi; so that the model can reflect someone's teeth accurately.
在法庭科学中，人体鉴别主要采用下列四种技术：指纹鉴别、眼角膜纹识别、DNA技术和牙齿形态识别。
In modern forensic science, four sophisticated techniques are widely used, i. e. finger print identification, eye cornea print identification, DNA technique and teeth morphology identification.
在现代法庭科学中，人身识别主要采用下列四种技术：指纹识别、虹膜纹识别、DNA技术和牙齿形态识别。
In modern forensic science, four techniques on body distinguished are widely used, i. e. fingerprint identification, eye cornea identification, DNA technique and dental morphology identification.
本文从牙齿发育信号的启动、颅神经嵴细胞在牙齿形态发生中的作用以及上皮-间充质的交互式作用三个方面简述牙齿发育的调控机制。
The regulation mechanism during tooth development, which includes the initiation of tooth developmental signal, the role of neural crest cells in tooth morphogenesis, and the interaction between dent.
本文从牙齿发育信号的启动、颅神经嵴细胞在牙齿形态发生中的作用以及上皮-间充质的交互式作用三个方面简述牙齿发育的调控机制。
The regulation mechanism during tooth development, which includes the initiation of tooth developmental signal, the role of neural crest cells in tooth morphogenesis, and the interaction between dent.
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