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Wikipedia definition
1. Meth mouth"Meth mouth" is an informal name for advanced tooth decay attributed to heavy methamphetamine use. According to the American Dental Association, meth mouth "is probably caused by a combination of drug-induced psychological and physiological changes resulting in xerostomia (dry mouth), extended periods of poor oral hygiene, increased consumption of sugared soft drinks, and teeth clenching and grinding.
Read “Meth mouth” on English Wikipedia
Read “メスマウス” on Japanese Wikipedia
Read “Meth mouth” on DBpedia

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