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老年口腔干燥症是一种发于老年人群中,以口干为主要特征的的慢性疾病,该疾病的病因极为复杂,常与多种因素密切相关~([1,2])。该疾病的主要临床表现为俩目干涩、口渴欲饮、口腔干燥、五心烦热、味觉减退、口干舌燥、头晕耳鸣及嗅觉不灵等,亦可波及眼部,导致眼内异物感、烧灼感、干燥性角膜炎及眼干等,严重影响老年患者生活质量~([3,4])。临床
Elderly xerostomia is a chronic disease characterized by dry mouth and is characterized by dry mouth. The etiology of the disease is extremely complex and often linked to a number of factors (1,2). The main clinical manifestations of the disease are dry eyes, thirsty desire to drink, dry mouth, five upset hot, taste loss, dry mouth, dizziness, tinnitus and poor sense of smell, can also affect the eyes, resulting in intraocular foreign body sensation , Burning sensation, dry keratitis and dry eye, which seriously affect the quality of life of elderly patients ~ ([3,4]). clinical