Baking soda on teeth whitening
Baking soda can polish some external stain, but it does not bleach natural tooth color and overuse may abrade enamel or irritate gums.
The short answer
Baking soda can polish some external stain, but it does not bleach natural tooth color and overuse may abrade enamel or irritate gums. It should not be used as a substitute for diagnosis when discoloration is new or uneven.
What is the direct answer?
What does this question mean?
External stain sits on enamel and may come from pigments in food, drinks, or tobacco. Intrinsic discoloration lies within enamel or dentin and responds differently, while fillings, crowns, and veneers are separate materials.
What can you do next?
Use a soft toothbrush and fluoride toothpaste with light pressure, and reduce repeated staining exposures. For a brighter shade, a dentist can examine the teeth and discuss professional cleaning or peroxide whitening.
When should you seek dental care?
Seek care for a dark spot, pain, sensitivity, erosion, a broken edge, or color change affecting one tooth. Whitening should wait until decay, gum disease, and defective restorations have been assessed.
What should you ask the dentist?
Ask whether the color is surface stain, internal discoloration, decay, or a restoration. Ask what result is realistic and how natural teeth will match existing dental work after treatment.
Frequently asked questions
Is baking soda better than whitening toothpaste?
The useful choice depends on the product ingredients, abrasiveness, stain type, and your enamel and gum condition.
Can baking soda whiten fillings?
No. Tooth-colored fillings and crowns do not change shade through tooth bleaching.