Retained Baby Teeth in Cats: Guide for Pet Parents

Find out if your pet needs a vet — free instant assessment.

Could this be serious?

Find out if retained baby teeth needs emergency care — takes 30 seconds.

Cat · Retained Baby Teeth
Free · No signup · 75+ checks completed

TL;DR: Retained baby teeth occur when a kitten's primary teeth fail to fall out as adult teeth emerge, which can lead to dental disease and alignment issues. While not a life-threatening emergency, you should schedule a veterinary appointment to evaluate if extraction is necessary.

What are retained baby teeth and how do they affect my kitten?

Retained baby teeth, also known as persistent deciduous teeth, occur when a kitten's adult teeth begin to emerge but the primary baby teeth fail to fall out. This often results in two teeth occupying the same small space in the gum line, which can lead to crowding and alignment issues.

Are retained baby teeth in cats considered a veterinary emergency?

  • The urgency level for retained baby teeth is low; it is not a life-threatening emergency requiring an immediate ER visit.
  • This condition should be addressed by your veterinarian during a scheduled appointment.
  • Untreated retained teeth can trap food and bacteria, leading to periodontal disease or causing adult teeth to grow at painful angles.

How does taking a photo of my cat's mouth help the veterinary team with triage?

  • A clear, well-lit photo allows a professional to see exactly which teeth are affected.
  • It helps the team check for clinical signs like gum redness or swelling.
  • This visual information helps them determine if the extraction can wait until a routine spay or neuter surgery or if a separate dental procedure is required sooner.

Clinical Context (Merck Veterinary Manual)

Retained deciduous teeth in cats occur when the permanent tooth fails to erupt in the correct position, preventing normal exfoliation of the deciduous tooth. This can be due to hypodontia (absence of a permanent tooth), a genetically malpositioned permanent tooth bud, or traumatic displacement. Retention may cause permanent tooth displacement, leading to malocclusion or food entrapment and subsequent periodontal disease. Therefore, retained deciduous teeth should be removed as soon as possible, with care taken to avoid damaging the underlying permanent tooth bud. Due to the potential genetic component, pets with persistent deciduous teeth should not be bred unless trauma is known to be the cause.

Chapter: Dentistry

Source: The Merck Veterinary Manual, 11th Edition (Page 164)

Not sure how serious this is?

Get a free severity check in 30 seconds

Compiled by the CheckPet Editorial Team, aligned with the Merck Veterinary Manual. Last updated June 30, 2026.

This article is for general informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If you think your pet may be unwell, contact a licensed veterinarian.

Frequently Asked Questions

At what age should kittens lose all their baby teeth?
Most kittens have all of their permanent adult teeth by the time they are 6 to 7 months old.
Can I pull a loose baby tooth myself?
No, you should never attempt to pull a cat's tooth at home. You risk breaking the delicate root or causing your cat significant pain and potential infection.
How are retained baby teeth usually treated?
The standard treatment is surgical extraction under general anesthesia, which is often performed at the same time as a spay or neuter to minimize the number of times a pet is sedated.

Related Symptom Guides