一笔人生
Thursday, December 9, 2010
牙刷保養法
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牙刷應如何保養才能保持衞生?
每次刷牙後,必須把牙刷置於乾燥處,刷頭宜向上,並且每隔3~5天用醋浸泡1次。此外,每隔3個月,應更換新牙刷,才能真正保持口腔衞生。
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