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.

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。

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Armed with either degree, a dentist can become certified to engage in the general practice of dentistry.

只要获得其中一个学位，牙医就有资格从事于牙医业的普通全科。

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Dentistry as a whole feels it's a second-class citizen, but in fact, a dentist is creative, too.

从整体来看，牙医界自以为二等公民，但实际上，牙科医生也有创造精神。

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The one place I have seen dentistry price-driven is in the dentist-filled towns in Mexico, just south of the U.S. border, where snowbirds flock to have budget work done.

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Thus, an advertisement identifying a dentist as being certified in implant dentistry provides consumers with important information.

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