dentin

简明释义

英[ˈdentɪn]美[ˈdentɪn]

n. 象牙质；牙质（等于 dentine）

n. （Dentin）人名；（法）当坦

英英释义

单词用法

同义词

反义词

例句

1.CONCLUSION: LIM mineralization protein - 1 May play a crucial role in the mineralization of dentin formation.

结论：LIM矿化蛋白1可能在人牙本质矿化过程中发挥一定的作用。

2.The decay reaches into the dentin, where it can spread and undermine the enamel.

当龋坏扩散破坏到釉质下方，就进入了牙本质。

3.Objective to study the conditions and alterations of dentin tubule orifices after fluoride iontophoresis into hypersensitive dentin.

目的研究氟离子导入过敏牙本质后牙本质小管的形态变化。

4.The roots were sliced and root-dentin microhardness was measured.

用微硬度测定仪检测根管牙本质的微硬度。

5.Aim: Cloning and partially sequencing of human dentin matrix protein 1 (DMP1) encoding mature protein.

目的：克隆人牙本质基质蛋白1 (DMP1)成熟肽编码区基因片段。

6.Conclusion it is effective that fluoride iontophoresis treats dentin hypersensitivity.

结论氟离子导入法治疗牙本质过敏症是有效的。

7.Objective: To measure the thickness of enamel and dentin of the first molars.

目的：了解上下颌第一磨牙牙釉质及牙本质的厚度。

8.The tooth's outer layer is enamel, while the inner layer consists of dentin (牙本质).

牙齿的外层是牙釉质，而内层由dentin（牙本质）组成。

9.During a root canal procedure, the dentist removes infected tissue from the dentin (牙本质) and pulp.

在根管治疗过程中，牙医去除感染的组织，包括来自dentin（牙本质）和牙髓的部分。

10.When a cavity forms, it often penetrates through the enamel and into the dentin (牙本质).

当蛀牙形成时，它通常会穿透牙釉质并深入到dentin（牙本质）中。

11.The color of dentin (牙本质) can influence the overall appearance of a tooth.

牙本质的颜色可以影响牙齿的整体外观。

12.The sensitivity of your teeth may be due to exposed dentin (牙本质) caused by gum recession.

牙齿的敏感性可能是由于牙龈退缩导致的暴露的dentin（牙本质）。

作文

The human body is a remarkable structure, composed of various tissues and materials that work together to maintain our health and functionality. One of the most fascinating components of our anatomy is our teeth, specifically the layers that make them strong and resilient. Among these layers, dentin (牙本质) plays a crucial role in the overall structure of a tooth. In this essay, I will explore the importance of dentin (牙本质), its composition, functions, and how it contributes to dental health.Dentin (牙本质) is one of the four main components of a tooth, alongside enamel, pulp, and cementum. It lies beneath the enamel and surrounds the pulp chamber, which contains the nerve and blood vessels of the tooth. Unlike enamel, which is the hardest substance in the human body, dentin (牙本质) is less mineralized and has a softer, more porous structure. This unique composition allows dentin (牙本质) to absorb some of the forces exerted on the teeth during chewing, providing a certain level of cushioning and protection for the more delicate pulp inside.One of the most significant functions of dentin (牙本质) is its role in sensitivity. The tiny tubules that run through the dentin (牙本质) contain fluid and are connected to the nerves in the pulp. When we consume hot or cold foods, the temperature change can cause the fluid within these tubules to move, stimulating the nerves and resulting in a sensation of pain or discomfort. This sensitivity serves as a warning system, alerting us to potential issues such as cavities or exposed roots.Moreover, dentin (牙本质) is vital for the formation of secondary dentin, which is a natural response to age or injury. As we grow older, our bodies produce more secondary dentin (牙本质) to protect the pulp from external threats, such as decay or trauma. This process helps to maintain the integrity of the tooth over time, although excessive wear or damage can still lead to complications.Maintaining the health of our dentin (牙本质) is essential for overall dental wellness. Poor oral hygiene can lead to the buildup of plaque and tartar, which can cause cavities that penetrate through the enamel and into the dentin (牙本质). Once decay reaches the dentin (牙本质), it can spread rapidly due to its porous nature, leading to further damage and potentially requiring more extensive dental procedures, such as fillings or root canals.In conclusion, dentin (牙本质) is an integral part of our teeth, contributing to their strength, sensitivity, and longevity. Understanding the role of dentin (牙本质) can help us appreciate the complexity of our dental anatomy and the importance of maintaining good oral hygiene. Regular dental check-ups, proper brushing and flossing, and a balanced diet are all essential practices to ensure that our dentin (牙本质) remains healthy and functional throughout our lives. By taking care of our teeth, we not only preserve our smiles but also safeguard our overall health.

人类身体是一种非凡的结构，由各种组织和材料组成，这些组织和材料共同工作以维持我们的健康和功能。其中一个最引人入胜的组成部分是我们的牙齿，特别是使其坚固和耐用的层次。在这些层次中，dentin（牙本质）在牙齿的整体结构中发挥着至关重要的作用。在这篇文章中，我将探讨dentin（牙本质）的重要性、组成、功能以及它如何有助于口腔健康。Dentin（牙本质）是牙齿的四个主要组成部分之一，其他三个部分是牙釉质、牙髓和牙骨质。它位于牙釉质下方，围绕着包含神经和血管的牙髓腔。与人类体内最坚硬的物质牙釉质不同，dentin（牙本质）矿化程度较低，结构较软且多孔。这种独特的组成使得dentin（牙本质）能够吸收咀嚼过程中施加在牙齿上的一些力量，为内部更脆弱的牙髓提供一定程度的缓冲和保护。Dentin（牙本质）最重要的功能之一是其在敏感性方面的作用。通过dentin（牙本质）流动的小管道内含有液体，并与牙髓中的神经相连。当我们食用热或冷的食物时，温度变化可能导致这些管道内的液体移动，刺激神经并引起疼痛或不适的感觉。这种敏感性充当警告系统，提醒我们潜在的问题，例如龋齿或暴露的根部。此外，dentin（牙本质）对次生牙本质的形成至关重要，这是对年龄或损伤的自然反应。随着我们年龄的增长，我们的身体会产生更多的次生dentin（牙本质），以保护牙髓免受外部威胁，例如蛀牙或创伤。这个过程有助于维持牙齿的完整性，尽管过度磨损或损伤仍可能导致并发症。维护我们的dentin（牙本质）健康对整体口腔健康至关重要。口腔卫生不良可能导致牙菌斑和牙石的积聚，这可能导致龋齿穿透牙釉质并进入dentin（牙本质）。一旦蛀牙达到dentin（牙本质），由于其多孔特性，它可以迅速传播，导致进一步的损害，并可能需要更广泛的牙科手术，例如填充或根管治疗。总之，dentin（牙本质）是我们牙齿的重要组成部分，有助于其强度、敏感性和持久性。了解dentin（牙本质）的作用可以帮助我们欣赏牙科解剖的复杂性以及维护良好口腔卫生的重要性。定期进行牙科检查、正确刷牙和使用牙线以及均衡饮食都是确保我们的dentin（牙本质）在整个生命中保持健康和功能的必要做法。通过照顾我们的牙齿，我们不仅能保持微笑，还能保护我们的整体健康。