No. Like if あなた have a 早口言葉, ジョーブレイカー, ハード ・ キャンディ または something, The dye will just come off. [It usually stays on your teeth または tongue]Like when あなた have a Jolly Rancher and your tongue turns blue? It's just the dye but it's not permanent .
it can not make your teeth permenatly that color but if あなた dont get the die off your teeth it will get your teeth yellower and yellower and the only way あなた can get rid of that is if あなた use special whitening stuff
