Sodium bicarbonate can raise surface area discolorations but does not bleach tooth color; usage moderately

https://telegra.ph/Can-You-Bleach-Teeth-with-Braces-A-Guide-to-Timing-04-16-2

Baking soda can lift surface area stains but does not bleach tooth color; usage sparingly, and couple with fluoride toothpaste to safeguard enamel and strengthen teeth.