Dental Tips Blog


What Makes Teeth Yellow?

Have you ever wondered what makes our teeth yellow in the first place?

Battling tooth discoloration starts with understanding why it happens. This will help you choose the most effective method for lightening the color of your teeth.

Natural Dentin Color

Just like your eyes, skin, hair, and gums, your teeth have a natural and unique color. Teeth get their hue from the thickness of their inner layer, the darker yellow dentin. The outer enamel layer is translucent and white, but when it is thick, it hides the yellowness and makes the teeth look whiter. Conversely, having thin enamel can naturally make teeth look more yellow.


Coffee, tea, tobacco use are major stain culprits. With years of regular exposure, these substances can cause deep enamel discoloration.


Your tooth enamel layer starts to thin as you age, making teeth more sensitive and appear more yellow. Gum recession is also linked to advancing age. When gums pull away from the crown of the tooth, the dark yellow tooth root becomes visible.

Dental Calculus

Dental calculus (tartar) could be covering up a beautifully white tooth surface. Even if your teeth are bright, the tartar you allow to stay on them will give your smile a dull and filmy look.

How to Get Whiter Teeth

A professional dental cleaning is the best way to get started. Have your dentist check out your teeth. If you’re not happy with how white they are after polishing, then ask about bleaching them.

A few methods for lightening deep yellow stain include:

  • At-home teeth whitening strips and gels
  • Prescription take-home teeth whitening trays
  • Professional-level laser teeth whitening

Ask your dentist about which cosmetic teeth whitening option would best help you see a brighter smile.

Posted on behalf of:
Meadowbrook Family Dental
8848 Calvine Rd #120
Elk Grove, CA 95828
(916) 912-4126

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