What percent hydrogen peroxide for teeth
The right peroxide concentration depends on the product, application, tooth condition, and professional supervision, not a home formula.
The short answer
There is no single peroxide concentration that is right for every person or method; the product instructions and a dental assessment determine whether whitening is appropriate.
What is the direct answer?
What does this question mean?
Hydrogen peroxide is an oxidizing agent that breaks down some stain molecules in enamel and dentin. Concentration, contact time, pH, isolation, and the condition of the gums and teeth all affect tissue exposure.
What can you do next?
Use only a dental product exactly as directed and do not substitute hair, wound, or industrial peroxide. Stop if the gums burn or teeth become sharply painful, rinse with water, and arrange an assessment before trying another product.
When should you seek dental care?
Seek care for persistent burning, ulcerated gums, facial swelling, severe sensitivity, or accidental swallowing. A dentist should assess cavities, cracks, gum recession, and exposed root surfaces before whitening.
What should you ask the dentist?
Ask whether the product suits your teeth, how the gel will be isolated from the gums, and what to do if sensitivity develops. Ask whether a professional or dentist-dispensed alternative would address your stain more predictably.
Frequently asked questions
Can I mix a stronger peroxide solution at home?
No. A stronger mixture changes tissue exposure and can injure oral mucosa or worsen sensitivity.
Why did peroxide not whiten my filling?
Whitening changes natural tooth structure, while many fillings and crowns retain their original shade.