Crest professional light
Crest Professional Light refers to a home tooth-whitening system that uses a peroxide gel with a fitted light device.
The short answer
Crest Professional Light is a tooth-whitening kit that pairs a peroxide-containing gel with a light device; the gel is the active whitening agent, while the light is used according to the product instructions.
What is the direct answer?
Whitening works when peroxide molecules enter enamel and dentine and break down some coloured compounds. It changes the colour of natural teeth, but it does not whiten fillings, crowns, veneers, or other dental materials.
What does this question mean?
Whitening works when peroxide molecules enter enamel and dentine and break down some coloured compounds. It changes the colour of natural teeth, but it does not whiten fillings, crowns, veneers, or other dental materials.
What can you do next?
Read the product directions, keep gel off the gums, and stop if marked sensitivity or gum irritation develops. A dental check is useful before whitening because decay, cracks, exposed dentine, and leaking restorations can react to peroxide.
When should you seek dental care?
Have a dentist examine persistent sensitivity, gum burns, uneven colour, or a dark tooth before continuing. A single darkening tooth can reflect disease or previous injury rather than ordinary surface staining.
What should you ask the dentist?
Ask whether your teeth and gums are suitable for whitening, what concentration and contact time apply to the product, and how existing restorations will appear afterward.
Frequently asked questions
Will the light whiten fillings?
No. Whitening affects natural tooth structure, not the colour of restorations.
Why are my teeth sensitive after whitening?
Peroxide can temporarily move through enamel and irritate the tooth nerve, especially when dentine is exposed.