Professional bleaching teeth
Professional tooth bleaching lightens natural tooth colour with a peroxide gel selected and applied after an oral examination.
The short answer
Bleaching is a cosmetic procedure for natural enamel and dentine. Peroxide moves through enamel and breaks down some colour molecules, but it does not change the colour of fillings, crowns, veneers, or other restorations.
What is the direct answer?
What does this question mean?
A dentist first checks for decay, cracked enamel, leaking fillings, gum disease, and exposed root surfaces. The team protects the gums, applies the prescribed gel to the chosen teeth, controls contact time, and may provide custom trays for a supervised home phase.
What can you do next?
Book an assessment before bleaching if you have tooth pain, untreated cavities, gum inflammation, enamel defects, or extensive visible restorations. Contact the dental team if marked sensitivity, gum irritation, or uneven colour persists.
When should you seek dental care?
Ask whether the darkening is surface stain or an internal colour change, and which restorations will remain unchanged. Ask how sensitivity will be managed and whether existing fillings need replacement for colour matching.
What should you ask the dentist?
Bleaching changes natural tooth colour but not the shade of most restorations.
Frequently asked questions
No. It can respond differently to surface stains and internal discolouration, and some colour changes need restorative or other treatment.
Can bleaching whiten crowns?
No. Crowns are made from restorative materials whose shade is set during fabrication; the dentist can discuss replacement or another cosmetic option if shades no longer match.
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