Pulp 牙髓

Pulpis the soft part deep inside every tooth.
It contains tiny blood vessels and nerves that help keep the tooth alive.
The pulp is found in the center of the tooth, under the dentin layer.
If a tooth gets hurt or cracked, the pulp can feel pain or become infected.
Healthy pulp lets people feel hot, cold, or sweet in their teeth.
Dentists protect the pulp by treating tooth problems early and carefully.

牙髓是每颗牙齿最里面的软组织。
牙髓里有细小的血管和神经，能让牙齿保持活力。
这部分位于牙齿中间，在牙本质下面。
如果牙齿受伤或裂开，牙髓会感到疼痛，甚至被细菌感染。
健康的牙髓让人能感受到冷热或甜味。
牙医会通过及时、细致地治疗牙齿问题，来保护牙髓的健康。

配套练习?? pulp /p?lp/

?? 完形填空（Cloze Test）

Pulpis the ______ tissue found in the center of a tooth.
（a. soft b. hard c. white）

The ______ and nerves in the pulp keep the tooth alive.
（a. tubes b. blood vessels c. bones）

Pulp is located under the ______ layer of each tooth.
（a. enamel b. dentin c. gum）

If a tooth is badly damaged, the pulp may feel ______.
（a. pain b. clean c. new）

Healthy pulp helps you sense ______ foods in your mouth.
（a. green b. hot c. round）

? 选择题（Multiple Choice）

Where is the pulp found?
A) On the tooth surface
B) In the very center of the tooth
C) On the tongue

What can happen if pulp gets infected?
A) The tooth may hurt
B) The tooth gets bigger
C) The tooth changes color

Who helps care for the pulp?
A) Chefs
B) Dentists
C) Writers

?? 填空题（Fill in the Blanks）

Inside the tooth, the pulp has both ______ and nerves.
（可选答案：blood vessels, leaves, roots）

The layer just above the pulp is called ______.
（可选答案：dentin, glass, skin）

The pulp can send messages about ______ or cold to your brain.
（可选答案：hot, tall, open）

When the pulp is healthy, ______ teeth feel normal.
（可选答案：your, tiny, heavy）

练习答案?

完形填空

a. soft b. blood vessels b. dentin a. pain b. hot

选择题
6. B) In the very center of the tooth
7. A) The tooth may hurt
8. B) Dentists#p#分页标题#e#

填空题
9. blood vessels
10. dentin
11. hot
12. your

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