Last Updated: 11 September 2024

Medically Reviewed By Colgate Global Scientific Communications

There's no one standard system in the dental field to measure and determine tooth color. Nor is there an exact answer to how white your teeth can become-every person's situation is unique. One commonly used reference tool, however, is a shade guide.

One of the more common shade guides divides tooth color into four basic shade ranges:

Tooth Shades

  • A (reddish brown)
  • B (reddish yellow)
  • C (gray)
  • D (reddish gray)

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How white should your teeth become? That depends.

There's no one right way to whiten your teeth. Some people want an instant and dramatic change, while others prefer more gradual whitening such as the type that results from a whitening toothpaste or gel. Final results depend on your natural tooth color, how stubborn any stains are and the treatment you choose. Keep in mind that:

  • A change of just two or three shades can make a noticeable difference in just about anyone's smile
  • While whitening can occasionally change tooth color nine or more shades, the majority of people who whiten their teeth see a change of between two and seven shades
  • Each procedure has its advantages and disadvantages. Laser whitening and other in-office bleaching procedures, for example, may produce the most dramatic results, but cost significantly more

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11/15/2010

This article is intended to promote understanding of and knowledge about general oral health topics. It is not intended to be a substitute for professional advice, diagnosis or treatment. Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.

ORAL HEALTH QUIZ

What's behind your smile?

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DO YOU KNOW?

2.3 billion

people worldwide suffer from tooth decay

ORAL HEALTH QUIZ

What's behind your smile?

Take our Oral Health assessment to get the most from your oral care routine

DO YOU KNOW?

2.3 billion

people worldwide suffer from tooth decay