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What Happens When You Swallow a Tooth?

Published in Dental Health 2 mins read

Most likely, nothing out of the ordinary will happen if you swallow a tooth. It's a fairly common occurrence, particularly with children losing baby teeth.

What to Expect After Swallowing a Tooth

Here's a breakdown of what typically occurs:

  • You might not even notice: Often, swallowing a tooth is so unremarkable that you won't realize it happened. This is especially true for small teeth or if you were eating when it happened.
  • Natural Passage: The tooth will pass through your digestive system without causing any harm.
  • Timing: It usually takes between 24 to 48 hours for the tooth to leave your body through your stool.
  • No Digestion: Your stomach acids and digestive enzymes are not designed to break down hard substances like teeth; thus, the tooth will pass through relatively unchanged.

Why Swallowing a Tooth Isn't a Problem

  • Size: Teeth, especially baby teeth, are quite small. They pose little risk of causing a blockage in the digestive tract.
  • Smooth Edges: Unlike bones or other sharp objects, teeth are relatively smooth, minimizing the risk of damage during passage.
  • Digestive Tract: The human digestive system is designed to process and eliminate various indigestible materials, including small hard objects.

When to Seek Medical Advice

While swallowing a tooth is usually harmless, there are rare instances where medical attention might be needed. If you experience any of the following symptoms after swallowing a tooth, consult a doctor:

  • Severe Abdominal Pain: Persistent or worsening pain could signal a problem.
  • Vomiting: Repeated or severe vomiting should be evaluated.
  • Blood in Stool: If you notice blood in your stool, it could indicate an issue.
  • Difficulty Swallowing: If you experience an ongoing inability to swallow after the event, a medical professional should assess you.


Item Description
Most Likely Outcome Nothing unusual; tooth passes naturally.
Time to Pass 24 to 48 hours
Digestion Tooth is not digested.
Commonality Quite common, especially in children losing baby teeth.
When to Worry Severe pain, vomiting, blood in stool, difficulty swallowing warrant medical attention.