Pulpotomy (“Baby Root Canal”): What to Expect

A pulpotomy, often called a baby root canal, is a common pediatric treatment for a baby tooth with deep decay that has reached the nerve. The dentist removes the infected part of the pulp, places a calming medicine, and covers the tooth with a crown. It relieves pain and saves the tooth, and your child is numbed so they stay comfortable. Call (760) 744-8600.

If your child’s dentist has recommended a pulpotomy, you may have felt a flush of worry, especially hearing the words “baby root canal.” Take a breath. A pulpotomy is a routine, well-established procedure that relieves pain and rescues a tooth that would otherwise be lost. At San Marcos Kids Dentistry, we keep it gentle and explain every step. Here is exactly what to expect.

What Is a Pulpotomy?

Inside every tooth is soft tissue called pulp, which contains the nerve and blood supply. When a cavity grows deep enough to reach the pulp, that tissue can become inflamed or infected, causing pain. A pulpotomy removes the affected part of the pulp in the crown of the tooth while preserving the healthy pulp in the roots. This treats the problem without removing the whole tooth, which is why it is sometimes called a “baby root canal,” though it is gentler and simpler than an adult root canal.

Why Would My Child Need One?

A pulpotomy is usually recommended when:

  • A cavity has reached or nearly reached the nerve
  • Your child has a toothache, especially one that worsens at night
  • There is sensitivity to hot or cold that lingers
  • An X-ray shows decay deep in the tooth

Treating it preserves the tooth so it can keep doing its job, chewing, supporting speech, and holding space for the permanent tooth, until it is naturally replaced. Learn more on our pulpotomy and nerve and pulp treatment pages.

What Happens During the Procedure? (Step by Step)

A pulpotomy is typically done in a single visit:

  1. Numbing. We gently numb the area so your child stays comfortable. For anxious kids, we can discuss sedation options.
  2. Removing the decay and affected pulp. We clear away the decay and the inflamed pulp tissue in the crown of the tooth, leaving the healthy root pulp intact.
  3. Placing a medicine. A soothing, antibacterial dressing is placed to calm the area and reduce the risk of further infection.
  4. Protecting the tooth with a crown. Because a tooth needing a pulpotomy is often weakened, we usually finish with a crown (commonly stainless steel or tooth-colored) to protect it.

The whole process is designed to be calm and comfortable, and most children handle it very well.

Pulpotomy vs. Pulpectomy: What’s the Difference?

These two sound similar but differ by how much pulp is treated:

  • A pulpotomy removes only the affected pulp in the crown, keeping the healthy root pulp.
  • A pulpectomy (full baby root canal) removes all the pulp, including the roots, when infection has spread further, and fills the space with a material the body can reabsorb.

Dr. Shafiei evaluates the tooth and an X-ray to recommend the right one. You can read more on our nerve and pulp treatment page.

Recovery and Aftercare

Recovery is usually quick and easy. Your child may feel mild sensitivity for a day or two, which standard children’s pain relievers can ease, given as directed for age and weight. Have your child avoid chewing on the numb side until the numbness wears off. If discomfort lasts more than 72 hours, call us. See our patient instructions for full aftercare.

Frequently Asked Questions

Q: Is a baby root canal safe?
A: Yes. A pulpotomy is a routine, well-established pediatric procedure. Your child is numbed and kept comfortable, and it saves a tooth that might otherwise be lost.

Q: Does a pulpotomy hurt?
A: The tooth is numbed first, so your child should not feel pain during the procedure. Mild soreness afterward is normal and short-lived.

Q: Why does a baby tooth need treatment if it will fall out anyway?
A: An untreated, infected tooth causes pain and can harm the permanent tooth forming beneath it. Saving the baby tooth protects chewing, speech, and spacing until it is naturally replaced.

Q: Why does the tooth need a crown afterward?
A: A tooth that needs a pulpotomy is often weakened by decay. A crown protects it from breaking so it can last until it falls out on its own.

Schedule Gentle Care in San Marcos

If your child has a toothache or has been told they need a pulpotomy, we will make it as easy as possible. Call San Marcos Kids Dentistry at (760) 744-8600 or request an appointment online. Find our hours and directions on our San Marcos office page.