Need to know what causes Black Stain Lining? My 9 year old son has had it since 4 or 5 years now. It grows around the gum and on the teeth. Sometimes it gets pretty bad and other times it doesn't. He doesn't take vitamins w/iron.
We do have well water-but we don't drink it-just brush our teeth with it? His father does not have it and I saw it once on one of my teeth, but nothing like my son's. Is it because he may not be brushing his teeth very good? Any kind of food?? Any thoughts? Please help. ...Bridget in NY
Bridget, typically, you'll see black staining with excessive iron use. As you mentioned, you do not take iron. The well water will not cause this stain. The good thing is that this is an extrinsic stain which is staining that is on the outside of the teeth and not inside.
These staines are caused by foods/drinks. Also, start taking him to the dentist every 3 months instead of every 6 months to get the staining off and to see if this makes a difference.
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