A dentist teaches children how to brush their teech in the correct way in Xinyuan Xincun Kindergarten in Hefei, capital of East China's Anhui Province on September 19, 2007, a day before China's Teeth Care Day. [Xinhua]
A dentist teaches children how to brush their teech in the correct way in Xinyuan Xincun Kindergarten in Hefei, capital of East China's Anhui Province on September 19, 2007, a day before China's Teeth Care Day. [Xinhua]
