Sodium bicarbonate can raise surface discolorations however does not bleach tooth color; usage sparingly

https://spencerckgc837.raidersfanteamshop.com/why-professional-whitening-is-safer-for-your-enamel-1

Baking soda can lift surface spots but does not bleach tooth color; use sparingly, and pair with fluoride tooth paste to protect enamel and reinforce teeth.