Hi, My baby is 1.5 year old I see on top 4 teeth there are some yellow stains. we brush daily , but we don't use any paste. Any idea how we can correct it? or this yellow teeth is permanent?

A. Hi. you should use toothpaste along with toothbrush after the eruption of first milk teeth.. use rice grain size amount of nonfluoridated flavoured age appropriate kids toothpaste along with small head soft bristles toothbrush