广东的李女士:我平时挺注意口腔卫生的,最近发现有好几颗牙齿正在慢慢变黑,而且还掉了几颗牙,不知是怎么回事?连线医生——广东省佛山市第一人民医院风湿科王晓洲:您这可能是干燥综合征,最好马上去风湿免疫科确诊,因为此病累及涎腺的时候,唾液分泌就会减少,牙齿失去唾液的冲洗与清洁,会逐渐变黑变脆,继而小片脱落。 Guangdong Ms. Lee: I usually pay much attention to oral hygiene, recently discovered that there are several teeth are slowly turning black, but also lost a few teeth, I do not know how it happened? Wiring doctor - Foshan City, Guangdong Province People’s Hospital, Department of Rheumatology Wang Xiaozhou: You may be Sjogren’s syndrome, it is best to go to the Department of Rheumatology diagnosed immediately, because the disease involves the salivary glands, salivary secretion will be reduced, loss of saliva teeth washing and cleaning, will gradually darken Brittle, and then small pieces off.