補牙新方法：自然再生牙齒 A New Way to Get Your Teeth Back
JAN. 30 ,2026 / Enjoy Editors 
A step closer to natural smiles
Some animals can regrow their teeth after losing them. For humans, it's a different story. We only get two sets of teeth in our lifetime: baby teeth and adult teeth. If adult teeth get __1__, dentists usually repair them with fillings, crowns, or implants. Now, science is offering a new solution.
Recently, researchers have successfully grown a human tooth in a lab. This breakthrough could lead to a completely new __2__ to dental care. Instead of relying on implants, people may soon be able to regrow their own natural teeth.
Unlike man-made implants, which might not fit the body perfectly, regenerated teeth could grow and function just like the __3__ ones. That means they'd be stronger, more durable, and longer lasting. The technology is still in its early stages.
進一步邁向自然笑容
有些動物在失去牙齒後，能再次長出新的牙齒。對人類來說，情況卻大不相同。我們一生中只能長出兩副牙齒：乳牙和恆牙。如果恆牙受損，牙醫通常會以補牙、牙冠或植牙來修復。如今，科學正提供一種全新的解決方案。
最近，研究人員在實驗室中成功培養出一顆人類牙齒。這項突破可能帶來一種嶄新的牙科護理方式。不再依賴植牙，人們或許很快就能重新長出屬於自己的天然牙齒。 - repair vt. 修補，修理
- function vi. 起作用，運作
- in one's early stage(s) 某事物的初期階
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