Teeth whitening kit vs dentist
A whitening kit uses a peroxide gel at home, while a dentist first checks the teeth and controls gel placement and exposure.
The short answer
A whitening kit uses a peroxide gel at home, while a dentist first checks the teeth and controls gel placement and exposure. Professional care can identify decay, gum disease, restorations, and stains that whitening will not change.
What is the direct answer?
What does this question mean?
Whitening products use carbamide peroxide or hydrogen peroxide to break down some tooth discoloration. A dentist may use a custom tray or an in-office system, but the suitable concentration and application depend on the teeth, gums, restorations, and cause of the stain.
What can you do next?
Have visible cavities, cracked teeth, gum inflammation, or severe sensitivity assessed before whitening. Follow the product directions exactly, keep gel off the gums, and understand that crowns, fillings, and veneers retain their existing color.
When should you seek dental care?
See a dentist before whitening if you have toothache, gum bleeding, exposed roots, enamel defects, or uneven darkening. Stop the product and seek advice if you develop marked gum irritation or persistent sensitivity.
What should you ask the dentist?
Ask what type of stain you have, whether any disease must be treated first, and which peroxide formulation and tray design fit your mouth. Ask how existing restorations will look after natural teeth are lightened.
Frequently asked questions
Will a kit whiten fillings?
No. Tooth-colored fillings, crowns, and veneers keep their existing shade, which can create a color difference.
Why can whitening cause sensitivity?
Peroxide can temporarily move through enamel and dentin toward the pulp, provoking sensitivity in susceptible teeth.