Hai...my son is 2.4 year old..his upper teeth is changing colour...is there anything I can do before it's too late...I mean is it a sign of tooth decay????please suggest me the correct solution

A. Please check with the dentist as without taking without personally looking at it or seeing a picture is difficult to say what the reason behind it so just get examined with the dentist they’ll examine and they can tell you if this genuinely a problem or it’s nothing