| 回答: 来点补充, 有怪莫怪! 由 洗牙去 于 2006-02-26 23:32:43 Thank you for the comments. 
 You're absolutely right, and that's why I mentioned brushing and flossing twice a day at the very beginning of the post.
 
 I got my dental training in the US and practice in the bay area, California...
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