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Can Milk Teeth Be Permanent?

Published in Dental Health 2 mins read

Yes, milk teeth, also known as baby teeth, can sometimes be permanent.

What Are Milk Teeth?

Milk teeth are the first set of teeth that develop in childhood. They usually begin to fall out to make room for permanent teeth.

Retaining Milk Teeth

While baby teeth are typically replaced by permanent teeth, this isn't always the case. Some individuals retain one or more milk teeth into adulthood.

Why Retain Milk Teeth?

  • Absence of a Permanent Tooth: A common reason for retaining a milk tooth is the absence of the permanent tooth bud below it.
  • Ankylosis: Sometimes, the milk tooth can fuse with the bone, preventing its natural shedding and causing it to remain in place.

Implications of Retained Milk Teeth in Adulthood

The presence of milk teeth in adults can have varying consequences:

  • Aesthetic Concerns: Retained milk teeth may be smaller or have a different shape compared to permanent teeth, which can affect the appearance of a smile.
  • Gaps: Sometimes a retained milk tooth is followed by gaps or misaligned teeth.
  • Chewing Difficulties: In certain cases, the retained tooth may not properly align with other teeth, leading to chewing problems.
  • Generally Few Issues: For many adults with retained milk teeth, there are very few, if any, issues.

Decision to Keep or Replace Retained Milk Teeth

If a retained milk tooth causes no problems, a person may choose to keep it. However, if there are aesthetic or functional issues, options for replacement are available.

Possible Solutions:

  • Replacement: If the permanent tooth is missing, options like implants or bridges can replace the retained milk tooth if needed.
  • Monitoring: If there are no problems with a retained milk tooth it can be monitored by a dentist for any potential future issues.


The reference information provided states that: "Baby teeth usually fall out in childhood, but some people retain one or more baby teeth into adulthood. Baby teeth in adults cause very few issues for some people. However, they may cause aesthetic issues, gaps to form, or difficulties with chewing. If the baby tooth causes no problems, a person may decide to keep it."