发布于：2026-09-17

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智齿不疼就没事？等到疼可能已经晚了WHY IS WISDOM TOOTH EXTRACTION OFTEN BETTER DONE EARLIER

上海百汇医院

2026-09-17 16:35:48

9.20 全国爱牙日

智齿，也就是第三磨牙，是最后发育和萌出的牙齿。对一部分人来说，智齿能正常萌出，一辈子都不惹麻烦；但对更多人来说，智齿却会反复引起疼痛、感染，甚至损伤邻牙。每每遇到这种情况，患者常常会问同一个问题：“为什么我没早点把它拔掉？”

答案就藏在口腔结构、拔牙时机和生物学规律里。

Wisdom teeth, also known as third molars, are the last teeth to develop and erupt. For some people, they emerge normally and never cause problems. For many others, however, wisdom teeth become a source of repeated pain, infection, or damage to neighboring teeth. When this happens, patients often ask the same question: “Why didn’t I remove these earlier?”

The answer lies in anatomy, timing, and biology.

智齿不疼就没事？等到疼可能已经晚了WHY IS WISDOM TOOTH EXTRACTION OFTEN BETTER DONE EARLIER

为什么智齿容易出问题？

WHY WISDOM TEETH OFTEN CAUSE PROBLEMS

在数千年的人类进化中，颌骨逐渐变小，但牙齿数量却保持不变。因此，很多人的口腔没有足够的空间，让智齿完全萌出并咀嚼使用。因此，会出现以下常见问题：

·阻生在牙龈或颌骨内

·部分萌出，牙龈覆盖形成龈瓣（冠周炎）

·智齿或相邻第二磨牙发生龋坏

·第二磨牙后方骨质流失

·形成囊肿（较少见但有可能发生）

此外，由于智齿位于口腔后部，本身也存在很难彻底清洁的问题。

Human jaws have gradually become smaller over thousands of years, while the number of teeth has remained the same. As a result, many people simply do not have enough space for wisdom teeth to erupt fully and function normally.

Common problems include:

• impaction under gum or bone
• partial eruption with gum flap (pericoronitis)
• cavities on wisdom teeth or adjacent second molars
• bone loss behind the second molar
• cyst formation (rare but possible)

Because wisdom teeth sit far back in the mouth, they are also difficult to clean properly.

拔智齿的年龄很关键

WHY AGE MATTERS

其实，拔智齿的风险与难度，与时机密切相关。

🧑🏻年轻患者：

•牙槽骨密度较低，骨质弹性更好

•牙根较短，弯曲度小

•愈合能力更强

•拔牙后发生并发症概率相对更低

👨🏻年长患者：

•骨质更紧密

•牙根发育完全，且更靠近神经

•愈合速度更慢

•拔牙后并发症风险相对更高

根据《口腔颌面外科杂志》多项研究表明，并发症发生率会随年龄增长而升高，尤其在25岁以后更为明显。

Timing has a significant impact on the difficulty and risk of wisdom tooth removal.

In younger patients:

• bone is less dense

• roots are shorter and less curved

• healing capacity is higher

• complication rates are lower

In older patients:

• bone is denser

• roots are fully formed and closer to nerves

• healing is slower

• risk of postoperative complications increases

Multiple studies in the Journal of Oral and Maxillofacial Surgery show that complication rates increase with age, especially after the mid-20s.

所有智齿都需要拔掉吗？

DO ALL WISDOM TEETH NEED TO BE REMOVED?

其实不一定。如果您的智齿满足以下情况，通常可以定期观察，而不必非要拔除：

· 完全萌出

· 位置正常

· 有正常功能

· 无疼痛

· 容易清洁

问题不在于牙齿本身，而在于可预测性。如果一颗智齿反复发炎、嵌塞食物，或者损伤相邻牙齿，那么拔掉智齿对长期来说通常是更好的选择。

No. Wisdom teeth that are:

• fully erupted

• correctly positioned

• functional

• pain-free

• easy to clean

can often be monitored rather than removed.

The problem is not the tooth itself, but predictability. If a wisdom tooth repeatedly becomes inflamed, traps food, or damages the neighboring tooth, removal is usually the better long-term solution.

拖延拔智齿，会带来什么隐患？

THE PROBLEM WITH WAITING

拖延处理智齿问题可能导致：

•反复感染

•急性疼痛发作

•损伤第二磨牙

•骨质流失

•日后手术更复杂

提前计划拔除智齿，总是会比产生急症后拔除更简单。

Delaying removal can lead to:

• repeated infections

• emergency pain episodes

• damage to second molars

• bone loss

• more complex surgery later

Planned removal is almost always easier than emergency removal.

拔智齿后恢复是什么样？

WHAT RECOVERY TYPICALLY LOOKS LIKE

提前计划拔除智齿的恢复状态：

•通常口腔肿胀在术后第2-3天最为严重

•术后不适可通过药物控制

•大多数患者几天内即可恢复正常

•通常年轻患者愈合更快

术后遵循医嘱，对顺利恢复至关重要。

After planned wisdom tooth extraction:

• swelling usually peaks at day 2–3

• discomfort is manageable with medication

• most patients return to normal activity within a few days

• younger patients typically heal faster

Following post-operative instructions is essential for smooth recovery.

关于智齿的常见误区

COMMON MYTHS ABOUT WISDOM TEETH

·“不疼就没事”——智齿的危害可能是悄无声息的

·“年纪太大了，不适合拔牙”——仍然可以拔除，但往往更复杂

·“所有智齿都必须拔掉”——并非总是如此

其实，专业的个性化口腔评估至关重要。

•“If it doesn't hurt, it's fine” – damage can be silent

•“I'm too old now” – removal is still possible, but often more complex
•“All wisdom teeth must be removed” – not always true

Individual assessment matters.

真实案例

REAL-WORLD EXAMPLE

一位22岁患者，智齿部分萌出并反复发炎，他提前计划并拔掉了智齿，拔牙过程与恢复都十分顺利。

类似情况如果发生在35岁，由于骨密度和牙龈结构的变化，手术会相对更复杂。越早干预，越能降低风险、缩短恢复时间。

A 22-year-old patient had partially erupted wisdom teeth with recurrent inflammation. Planned removal was straightforward.

A similar case at age 35 required more complex surgery due to bone density and root anatomy. Earlier intervention would have reduced risk and recovery time.

请记得

TAKE-HOME MESSAGE

拔智齿，并不是无谓地拔牙。

关键在于时机。当有拔除指征时，通常早期处理比等到并发症出现再处理会更安全、更简单、也更可预测。

Wisdom tooth extraction is not about removing teeth unnecessarily.

It is about timing. When removal is indicated, earlier treatment is often safer, simpler, and more predictable than waiting for complications to arise.