关注儿童齿健康(1)
一副好牙要从小保护，美国专家专注儿童齿健康http://t1.g.hjfile.cn/voasp/rm/2007/03/20070316.mp3It might seem hard to imagine that a bad tooth could be deadly. But doctors in the Washington area say a 12-year-old boy died last month from a tooth infection that spread to his brain. They say it might have been prevented had the boy received the dental care he needed.Experts at the National In…
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