In office bleaching kit
An in-office bleaching kit contains a peroxide whitening gel and dental equipment used to control its contact with the teeth and gums.
The short answer
An in-office bleaching kit contains a peroxide whitening gel and dental equipment used to control its contact with the teeth and gums. The clinician first checks the teeth and gums, isolates soft tissue, applies the gel, and follows the product protocol.
What is the direct answer?
What does this question mean?
Bleaching lightens natural tooth structure by allowing peroxide to break down stain molecules within enamel and dentine. It does not whiten fillings, crowns, veneers, or other restorations, so existing dental work may not change shade.
What can you do next?
Before treatment, disclose sensitivity, gum disease, cavities, cracks, pregnancy, and all dental restorations. Afterward, follow the clinic's instructions, use a soft brush, and avoid very hot or cold triggers if the teeth feel sensitive.
When should you seek dental care?
Have a dental examination before bleaching if you have pain, untreated cavities, gum inflammation, or a broken tooth. Contact the clinic if gel contacts the gum, sensitivity is severe or persistent, or the tooth develops new pain.
What should you ask the dentist?
Ask which peroxide product and concentration will be used, how the gums and restorations will be protected, and whether your current shade is caused by surface stain or internal discoloration. Ask whether home trays or another option better fits your teeth.
Frequently asked questions
Does the bleaching light whiten fillings?
No. Bleaching changes natural tooth structure, while fillings and crowns keep their existing material shade.
Why can bleaching cause sensitivity?
Peroxide can temporarily affect fluid movement through dentine tubules, stimulating the tooth's nerve response.