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Galvanic pain : ウィキペディア英語版 | Galvanic pain
Galvanic pain (also called galvanic shock),〔 is an unusual type of dental pain caused by an electrochemical circuit formed when adjacent or opposing dental restorations made of dissimilar metal alloys (e.g. amalgam and gold)〔 come into contact in the presence of saliva. When the metals contact, saliva can act as an electrolyte, creating a galvanic cell and causing galvanic corrosion of the metals to gradually take place,〔 and a sudden, small amount of electric current is generated, flowing through oral tissues and stimulating the nerves in the dental pulp.〔〔 ==Diagnosis== There may also be a metallic taste in the mouth due to release of metal ions.〔 Placing a layer of rubber (e.g. a dental dam) between the dissimilar metals and observing if the pain is gone is diagnostic for galvanic pain.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Galvanic pain」の詳細全文を読む
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