牙齿

Dentin bonding is always difficult due to its peculiar structure.

牙本质由于本身具有的结构特点，对它的粘接一直是牙齿粘接研究的难点和热点。

Methods Collected 25 extracted teeth with shallow dentin caries in 5 age groups, each group 5 teeth.

方法收集5组不同年龄组含有牙本质浅层龋的离体牙，每组各5颗牙齿。

Tertiary dentin formation is in the same way, and many related genes are expressed.

同时，牙齿是具有新陈代谢能力的活器官，在受到外界不良刺激时，牙髓组织可出现一系列的防御和修复反应，牙髓组织的防御和修复反应也受一系列基因表达的控制。

Ivory is really only dentine and is no different from ordinary teeth.

象牙本身只是普通的牙齿，以其它的齿类没有什么不同。

If the sensitive dentine of the root is exposed, the tooth can become sensitive.

如果牙本质敏感的根源，是暴露，牙齿可以成为敏感的问题。

This sign in a dentist's office proves that point:"Be True to Your Teeth, or They Will Be False to You."

在一个牙医诊所的告示就证明了这一点："对你的牙齿要真诚，否则，它们将对你虚假"

For example; one advertisement promotes an insect spray while showing the actor having teeth extracted at the dentist's office.

例如，一则促销害虫喷雾器的广告，展示的却是演员有着从牙医工作室提取的牙齿。

A dental dam was originally used in dentist's office to keep teeth dry during dental surgery.

"牙科橡胶布"本来是牙科医生在施行牙科手术时用来保持牙齿干燥的，形状为四方形的乳胶薄片。

Upon completion of all classroom instruction and skills training, students perform learned skills during a 240-hour externship in a Dentist's office, dental clinic, or other approved dental care facility.

当所有的课堂教学和技能培训后，学生学到的表演，牙医诊所，牙科技术，在240小时实习医生诊所，或其他经批准的牙齿保健设施。

Blessed with all-purpose dentition and digestive systems, we are ready for anything.

托多功能牙齿和消化系统的福，我们什么都可以吃。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。