齿龈肿胀在口腔疾病中较常见 ,但由于慢性汞中毒所致齿龈反复损伤却不多见 ,本文现介绍 1例 :患者男 :38岁 ,某水瓶厂镀银车间工人。 1980年进厂 ,工龄 18年 ,由于工作关系 ,长期接触汞。 1998年 4月以来 ,患者常感头晕、头痛、恶心、牙龈肿胀渗血、疼痛 ,于 1998年5月来口腔医 Gingival swelling is more common in oral diseases, but due to chronic mercury poisoning caused by repeated gum injury is rare, this article is to introduce 1 case: male patient: 38 years old, a water bottle factory silver shop workers. Into the factory in 1980, 18 years of service, due to the working relationship, long-term exposure to mercury. Since April 1998, patients often feel dizzy, headache, nausea, gingival swelling and bleeding, pain, in May 1998 to stomatology