Young couple showing their white teeth

How long will Teeth Whitening last ?

Teeth whitening or bleaching is not permanent. People who eat and drink foods that cause staining will mean bleaching will last less than people who really take care of their teeth and diet. We usually recommend to do a touch up once a year.

What is the difference between at Home Teeth Whitening vs. In Chair and Dentist -Supervised Teeth Whitening ?

The main difference is the bleaching agent strength.

Dentist Supervised at home teeth whitening products and over the counter products contain lower strength of bleaching agent (10-22% carbide peroxide). For In Chair Products, the concentration of carbide peroxide is higher (15-43%).

Over-the-counter whitening products are made in the philosophy one-size-fit-all, this means the trays could not fit properly in your mouth contributing to irritation in your gum and mouth soft tissues, can cause pain and sometimes, damages to the soft tissue. In contrast, the bleaching trays of dentist supervised at home bleaching products, are custom made for your mouth.

How much do Teeth Whitening Products Cost?

Over the counter teeth bleaching systems are cheaper than the in chair whitening, or Dentist Supervised at home bleaching products. However for better results it is recommended to visit your dentist for professional teeth whitening.

Supervised vs. Unsupervised Teeth Whitening

Dentist supervised at home bleaching are fully controlled by your dentist at all times. The procedure starts with a full assessment of your teeth and your gums to ensure suitability.

What are the contraindications of Teeth Whitening?

  • Not recommended for children under 16 years of age because it could irritate the pulp.
  • Not suitable for pregnant or lactating women.
  • Allergy to peroxide (very rare).
  • Hypersensitivity
  • Gums disease, worn enamel, cavities, gum recession and exposed roots.
  • Bleaching material does not whiten the tooth with dental white fillings and resin composite materials such as crowns,
    bondings or veneers.

How will the treatment respond in different teeth shades?

  • Very dark Stained Teeth: Not recommended
  • Yellowish teeth: Responds very well
  • Brownish teeth: Responds not as well
  • Grayish-hue: may not respond to bleaching at all

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