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牙科金属溶出的金属离子过敏,可引起扁平苔癣、汗分泌异常性湿疹、掌趾脓疮症等,中山将其总称为牙科金属疹。扁平苔癣的临床表现不一。特异性表现为口腔粘膜呈花边状白斑。皮肤呈紫红色扁平隆起。目前已搞清本病为表皮基底细胞的T 细胞的自身免疫发作所致。原因尚多不明,但已确知有的是因脑代谢促进剂等药物而产生,如上所述,有的则为牙科金属变态反应所致。口腔内的牙科金属,以唾液为电解质液,在异种金属间、患者口腔粘膜与金属间
Dental metal dissolution of metal ions allergy, can cause lichen planus, sweat secretion abnormal eczema, claw toes and other abscess, Zhongshan will be collectively referred to as dental metal rash. The clinical manifestations of lichen planus vary. Specific performance of the oral mucosa was lace-like white spots. Skin was purple flat bulge. Has been found out that the disease is epidermal basal cells of T cells caused by autoimmune attacks. The reason is still unknown, but it has been confirmed that some are due to drugs such as brain metabolism promoter, as mentioned above, while others are caused by dental metal allergy. Oral dental metal to saliva electrolyte solution, between dissimilar metals, between the patient's oral mucosa and metal