大部分口臭(80-90%)与牙龈的厌氧性细菌发酵有关。它们发酵和分解含有硫化物的食物残渣。产生含有硫化物的臭气。
大部分口臭(80-90%)与牙龈的厌氧性细菌发酵有关。它们发酵和分解含有硫化物的食物残渣。产生含有硫化物的臭气。
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