加拿大萨斯克彻温大学（University of Saskatchewan College）牙科学专业的牙科医师小宫山·邦雄（Kunio Komiyama）博士设计出了一种新型的“太阳能牙刷”，这种牙刷不需要牙膏就能清洁口腔。
Dr. Kunio Komiyama, a dentist at the University of Saskatchewan College of Dentistry in Canada, designed a new “solar-powered toothbrush” that cleanses the mouth without using toothpaste.
曼彻斯特卡里斯·布鲁克牙科诊所的老板、牙医塔里克·伊德·莱斯博士说，数百万的人都以为自己每天的习惯是有益的，却在不知不觉中损害着牙齿。
Dr Tariq Idrees, dentist and owner of Carisbrook Dental Clinic in Manchester, said millions of people are unwittingly destroying their teeth with everyday habits, they think would be beneficial.
曼彻斯特卡里斯·布鲁克牙科诊所的老板、牙医塔里克·伊德·莱斯博士说，数百万的人都以为自己每天的习惯是有益的，却在不知不觉中损害着牙齿。
Dr Tariq Idrees, dentist and owner of Carisbrook Dental Clinic in Manchester, said millions of people are unwittingly destroying their teeth with everyday habits, they think would be beneficial.
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