慢性牙龈炎你了解多少？Do you understand chronic tooth gingivitis how many? -齐天药品网

牙龈是一个娇嫩的黏膜，有丰富的血管，边缘紧贴在牙齿颈部，形成了一条整剂的波浪形曲线；在牙与牙龈之间有一条环状的1～2毫米深的小沟

拼音内容： Gum is a fragile mucous membrane, have rich blood-vessel, the brim is clingy in the tooth cervical, formed the waviness curve of a whole agent; There is canaliculus between tooth and gum

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慢性牙龈炎 你了解多少？Do you understand chronic tooth gingivitis how many?

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慢性牙龈炎你了解多少？Do you understand chronic tooth gingivitis how many?