In a message dated 8/15/2005 10:12:16 A.M. Central Daylight Time, ruthstrackb...@hotmail.com writes:
I am noticing now, that several of my front teeth have sort of vertical black streaks on the which I never noticed before. Ruth, I've been drinking 4 to 6 oz. of 8 to 10 ppm every week day for two years now. I don't see any stains on my teeth at this time. Thom