正常的牙龈(牙床)应该是浅粉红色,致密坚韧,紧贴牙面,在刷牙和轻触时不会流血。刷牙流血的人,他们的牙龈往往发红肿胀,变得松软。严重者,肿胀的牙龈可覆盖部分牙面,谈话、吃饭时自动流血,有时还有牙床流脓和口臭现象。引起上述症状的最常见原因是牙龈炎和牙周炎,它们属于最常见的口腔疾病。 Normal gums (gums) should be light pink, dense and firm, clinging to the tooth surface, and will not bleed when brushing and touching. People who brush their teeth and bleed, their gums tend to get red and swollen, become soft. In severe cases, swelling of the gums can cover part of the tooth surface, talking, automatic bleeding when eating, and sometimes there are pus and bad breath gums phenomenon. The most common causes of the above symptoms are gingivitis and periodontitis, which are the most common oral diseases.