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恒牙
关于牙齿退化的思考
问与答
•
JShen
•
Sep 29, 2025
• Lastly replied by
Damn
5
请问乳牙未掉,牙根被吸收,低下也没有恒牙怎么办?
问与答
•
ReinerShir
•
Jan 29, 2021
• Lastly replied by
xiaojj
3
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