查询词典 dentin

The teeth are amber and opalescent,with pulp chamber obliterated by abnormal dentin.

受累的牙齿呈乳白色光泽，髓室和根管变窄甚至完全闭锁。

Within 30 months, small recognizable tooth crowns, containing complete bone-like dentin, a well-defined pulp chamber and even enamel, had formed

三十个月内就形成小小但已可辨识的齿冠，有完整的像骨头的齿骨质层，一个非常明显、确定的牙髓槽，甚至珐琅质。

The major concern during laser irradiation of teeth is the high potential of tissue overheating resulting high temperatures that can spread in toward the dentin,causing irreversible damage to cells presented in the pulp chamber and leading to cell death,so the related laser irradiation parameters should be controlled strictly.

激光辐照牙齿时所产生的温升容易引起牙髓细胞不可逆的损伤，导致牙髓细胞坏死，因此必须对相关的激光参数加以控制。建立了激光与牙齿相互作用的热传输模型，利用Crank-N icolson有限差分法数值模拟了不同Nd∶YAG激光参数照射下牙齿表面及内部的温度场的分布。

Within30 months, small recognizable tooth crowns, containing complete bone-like dentin , a well-defined pulp chamber and even enamel, had formed.

三十个月内就形成小小但已可辨识的齿冠，有完整的像骨头的齿骨质层，一个非常明显、定的牙髓槽，甚至珐琅质。

If MB2 could not be found, to try again after cleaning the floor of pulp chamber by using 10P tip of the retrieval instruments and removal part of dentin on the location estimated by slow-speed round bur.

找到后通畅根管，若无法扩通，使用慢速圆钻在MB2根管口处向根方去除少量牙本质，结合使用EDTA再次通畅根管。

It's regarded as a dentin specific protein, The gene structure and the expression pattern of DSPP at transcript level are well known in recent years, however, the expression pattern of DSPP protein, and it's possible role during tooth development and dental pulp reparation after injury are not clear yet.

近年来，DSPP的基因结构及mRNA水平的表达模式已较清楚。蛋白印迹实验证实小鼠牙胚中有DSPP蛋白的存在。但是，DSPP在蛋白水平的表达模式如何？它的生物学功能和作用机制是什么？它在牙髓损伤修复中的作用又如何？目前国内外均未见报道。这些问题的研究，对我们在该蛋白后基因水平的了解具有重要意义，也为我们深入了解牙本质生物矿化机制、对牙体组织疾病和损伤进行生物性防治提供理论依据。

Hertwig's epithelial root sheath degenerates immediately after root dentin is formed.

上皮根鞘在根部牙本质形成后迅速蜕变。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失