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Cause of Grey Teeth

What Causes Gray Teeth Stains?

Gray teeth stains have several causes:
  • Medications: Gray teeth stains  can be caused by some medications, especially in young children.
  • Metal: Some materials used by dentists to repair teeth, such as silver fillings, may contribute to gray teeth stains over time.
  • Motion: Trauma to the mouth can cause gray teeth stains. (1)

Also, some people have teeth that are naturally grayish, and they may feel like they have gray teeth stains even if they don’t. (1)

The Trauma of Gray Teeth Stains

Damage from a blow or fall can disturb enamel formation in kids whose teeth are still developing. (1) The disruption to developing teeth can cause gray teeth stains. Trauma also can cause gray teeth stains in older children and adults whose teeth are fully developed. The trauma may disrupt the blood flow to a tooth or teeth and cause gray teeth stains. (1), (3)


  1. http://www.webmd.com/oral-health/guide/teeth-whitening