bleeding from gum 中文意思是什麼
bleeding from gum
解釋
齒衄-
Bacterial toxins from plaque will accumulate at the gum margin, causing gum inflammation, gum swelling or bleeding while brushing
牙菌膜會產生毒素,引致牙齦發炎。牙齦發炎的徵狀是牙齦紅腫和容易出血。
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