Objective to establish an organ culture model of the developing of human tooth germs in vitro.
目的建立人牙胚发育的体外器官培养模型。
The tooth, a molar, is bigger than any modern human tooth and is even bigger than the biggest Neanderthal tooth.
这是一颗臼齿，比任何现代人的牙齿都要大，甚至比最大的尼安德特人的牙齿还大。
Objective to investigate the effect of fluoride on human tooth-germ cell proliferation and expression of related regulators.
目的观察氟对牙胚细胞增殖及相关调控蛋白表达的影响。
Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
High temperatures can destroy biofilms, as can some chemicals, but neither approach is safe to use inside the delicate interior of a human tooth.
和一些化学物质一样，高温也能够破坏生物膜，但在这两种方法都不安全。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
PURPOSE: to establish human tooth slice organ culture model in vitro, and to study the effects of nimodipine on dentinogenesis through this model.
目的：建立人牙切片体外器官培养模型，并采用该模型研究尼莫地平对牙本质形成的影响。
A lot of research work have been done to the molecular biological mechanism about mouse's tooth development, but there is no report on human tooth germ.
对小白鼠牙齿发育的分子生物学机制已经进行了大量的基础性研究工作，但是对人类牙齿发育的分子生物学机制目前还未有报道。
In addition to value, hue and chroma, there are many subtle secondary optical properties of natural human tooth, such as translucency, opacity, iridescence, surface gloss and fluorescence.
天然牙的视觉外观除了颜色的三要素色相、明度、饱和度以外，还有许多第二光学特征：半透性、浑浊度、晕色、表面光泽度、荧光性，其中以半透性最为重要。
The only reason to have titanium teeth? Medical reasons, he says, like "if a dog breaks a tooth... it's the same as a crown for a human."
他说，狗嘴里镶钛牙的唯一的理由，只能是因为牙科医学上的原因，“如果狗牙断掉了，也可以像人的牙齿一样，作一个牙冠镶嵌在上边。”
Fluorine is one of the essential microelement of human body. There are close correlation in fluorine and human body life activity, tooth and skeleton constitution metabolism.
氟是机体必需的微量元素之一，氟与人体生命活动及牙齿、骨骼组织代谢密切相关。
AIM: to investigate the morphology of permanent human teeth of the Han Nationality and provide anatomic data for clinical treatment of tooth and pulp diseases.
目的：了解我国汉族人群恒牙牙体形态特征，为牙体、牙髓病的临床治疗提供解剖学资料。
METHODS Formalin test in mice, tooth pulp stimulation procedure in rabbits and human oral pain were used.
方法动物实验采用兔齿髓刺激法和小鼠福尔·马林实验，临床疼痛评定采用视觉模拟评分法。
METHODS Formalin test in mice, tooth pulp stimulation procedure in rabbits and human oral pain were used.
方法动物实验采用兔齿髓刺激法和小鼠福尔·马林实验，临床疼痛评定采用视觉模拟评分法。
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