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刷牙出血是正常現象嗎?刷牙時牙刷帶有血色,見多不怪,一些人把它看做正常現象。其實這是牙周炎症的早期信號,此時牙齦可能還沒有明顯的紅腫和不適,但牙齦組織毛細血管已擴張充血,上皮潰瘍變薄,保護性差,受到微小刺激就會引起出血。