instruction: hi doctor I have noticed this black stain on my daughter teeth recently what could be the cause she has got her lower two teeth in months and upper at 10 months I started brushing her teeth a week ago
output: hello I have gone through your attachment after watching the photograph there seems to be extrinsic stains these may be because of improper brushing food stains etc proper cleaning of teeth and cleaning of teeth after taking food will remove them if they are extrinsic food stains if not getting removed kindly visit a nearby dentist there may be another reason also for black stains or stains what kind of toothpaste do you use fluoridated or non fluoridated for any catch regarding cares it should be checked clinically drinking water fluoride levels also important to know