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调查表明，牙膏会细菌总数最高达３８３８ｃｆｕ／ｇ，最低为２９ｃｆｕ／ｇ，＜５０ｃｆｕ／ｇ者仅２９／１％；大肠菌群均＜３ｃｆｕ／１００ｇ，未检出其它致病菌。
The survey showed that the total number of bacteria in toothpaste will reach 3838cfu / g, the lowest is 29cfu / g, only 29/1% of those with <50cfu / g; the coliforms are less than 3cfu / 100g, no other pathogenic bacteria are detected.