Intelstan

原帖由 utopia 於 2008-5-24 09:13 發表

OH, so it is the fluoride cause the problem I guess?
Just so happened I brought this up with my twin last night about why people like my brother, his teeth are so yellow that almost grey color.
And  ...

Yes, that is true.  I have that problem too because I had asthma when I was young and the medications I took affected the colour of my teeth.  It isn't white, but it is still clean.