Is there a procedure that offers permanent or long lasting whitening that coats your teeth (like paint)?

It looks as if you bleached your teeth and the tray or strip did not go all the way to the gum line. Unfortunately the photo is not super clear so that is all I can comment on now.

Without proper oral evaluation and radiographic imaging, it'll be challenging to determine the cause for the discoloration. Knowing if it is intrinsic or extrinsic will help direct proper treatment. If it is intrinsic then teeth whitening will not help and porcelain veneers may be an option. Be...

In the photo we can't see what kind of stains you are referring to, but we can see translucency, which is a normal characteristic in the incisal third of the teeth. Also between the central incisors there is a small black triangle that is caused by tooth recession, which may be due to...