What is a Pulpotomy?

A pulpotomy is a dental procedure that removes infected pulp from the crown of a tooth while saving the root. Learn how it works, who needs it, and what to expect.

If your child has a deep cavity or you have been told that part of your tooth is infected, your dentist may suggest a pulpotomy. A pulpotomy is a treatment that removes the infected pulp from the upper part of the tooth while keeping the root and the rest of the tooth intact. It is often described as a “baby root canal,” though it is gentler and shorter than a full root canal.

Understanding what a pulpotomy involves can help you feel more confident about the treatment, whether it is for your child or yourself. In this guide, we will walk you through everything you need to know in simple, clear language.

What is a Pulpotomy?

A pulpotomy is a dental procedure that removes the inflamed or infected pulp from the crown (top part) of a tooth. The pulp is the soft tissue inside your tooth that contains nerves and blood vessels. When decay reaches deep into the tooth, the pulp can become inflamed and painful.

During a pulpotomy, the dentist removes only the damaged portion of the pulp inside the crown. The healthy pulp inside the root canals is left alone. A medicated material is then placed to protect the remaining pulp, and the tooth is sealed with a filling or crown.

This treatment is most commonly done on:

• Children’s primary (baby) teeth with deep cavities
• Young permanent teeth where the root is still developing
• In some cases, adult permanent teeth as an alternative to a root canal

How is a Pulpotomy Different from a Root Canal?

Many patients ask this question, and the answer is simple.

A pulpotomy removes only the pulp inside the crown of the tooth. The pulp inside the roots stays healthy and is not touched.

A root canal (also called pulpectomy) removes the entire pulp, including the tissue inside the roots. The empty canals are then cleaned, shaped, and filled with a sealing material.

In short, a pulpotomy is more conservative and aims to keep the tooth alive. A root canal is needed when the pulp infection has spread deeper into the roots.

When is a Pulpotomy Needed?

A pulpotomy may be recommended in the following situations:

• A deep cavity has reached or is very close to the pulp
• The tooth has been cracked or injured, exposing the pulp
• There is reversible pulp inflammation but no infection in the root
• A child needs to keep a baby tooth in place until the permanent tooth comes in
• The bleeding from the exposed pulp can be controlled in a few minutes
• There are no signs of pus, swelling, or abscess

A proper dental examination, including X-rays, helps your dentist decide whether a pulpotomy is the right choice. The treatment depends on the condition of the tooth and the health of the surrounding tissue.

Signs That You or Your Child May Need a Pulpotomy

You may notice some of these signs before treatment is recommended:

• Pain when chewing or biting
• Sensitivity to hot or cold that lingers
• A visible deep cavity or dark spot on the tooth
• Mild swelling near the affected tooth
• A child complaining of toothache, especially at night

If your child is too young to explain the discomfort, watch for changes in eating habits, fussiness during meals, or pointing to a specific tooth. Early dental care can prevent the problem from becoming more serious.

Types of Pulpotomy

Pulpotomy is not a one-size-fits-all procedure. Dentists choose between different types based on the tooth’s condition.

1. Partial Pulpotomy (Cvek Pulpotomy)

Only a small portion of the pulp (about 1–3 mm) is removed. This is often used for young permanent teeth with a small pulp exposure caused by trauma or early decay.

2. Full or Complete Pulpotomy

The entire coronal pulp (pulp in the crown of the tooth) is removed. The pulp inside the root canals is left untouched. This is the most common type, especially for primary teeth and mature permanent teeth with deeper inflammation.

3. Vital vs. Non-Vital Pulpotomy

A vital pulpotomy is done when the remaining pulp is still healthy and alive. A non-vital pulpotomy may be considered when the pulp is partly necrotic, but in modern dentistry, this is rarely recommended due to lower success rates.

What Materials Are Used During a Pulpotomy?

After the infected pulp is removed, the dentist places a special medicated material to protect the remaining tissue. The choice of material affects the success of the treatment.

Common materials used today include:

• Mineral Trioxide Aggregate (MTA): A modern bioceramic material with excellent sealing and healing properties
• Biodentine: A calcium silicate-based material that supports natural tissue repair
• Bioceramic pastes (such as iRoot BP Plus): Newer materials with high success rates
• Zinc oxide eugenol (ZOE): Often used as a base layer
• Formocresol and ferric sulfate: Traditional materials that are now used less often

According to research published by the American Association of Endodontists, MTA and other bioceramic materials show some of the highest success rates in modern pulpotomy procedures.

Step-by-Step: What Happens During a Pulpotomy?

Here is a clear breakdown of what to expect during the procedure:

Step 1 – Examination and X-rays: The dentist checks the tooth and takes X-rays to confirm the pulp damage and rule out infection in the root.

Step 2 – Numbing the Area: A local anesthetic is given near the tooth so you or your child does not feel pain. For anxious children, mild sedation may be offered.

Step 3 – Isolating the Tooth: A rubber dam (a thin protective sheet) is placed around the tooth to keep it clean and dry.

Step 4 – Removing the Decay: The dentist uses a small drill to remove the decayed part of the tooth and reach the pulp chamber.

Step 5 – Removing the Infected Pulp: The damaged pulp inside the crown is gently removed. The healthy pulp in the roots is left in place.

Step 6 – Controlling the Bleeding: A sterile cotton pellet, sometimes with a mild solution, is used to stop bleeding from the remaining pulp.

Step 7 – Placing the Medicated Filling: A protective bioceramic or medicated material is placed over the pulp to support healing.

Step 8 – Sealing the Tooth: The tooth is filled with a strong material. For back teeth, a stainless steel crown is often placed for long-term protection.

The whole procedure usually takes about 30 to 45 minutes.

Benefits of a Pulpotomy

A pulpotomy offers several advantages, especially when compared to extraction or full root canal treatment:

• Preserves the natural tooth
• Keeps the tooth root intact, especially important for children’s developing jaws
• Relieves pain caused by deep cavities
• Helps maintain proper chewing, speech, and spacing for permanent teeth
• Less invasive and quicker than a root canal
• High success rate when done with modern materials

Possible Risks and Limitations

Like any dental procedure, a pulpotomy has some risks. These are uncommon but worth knowing:

• The infection may not be fully removed, requiring further treatment
• The tooth may become slightly more brittle over time
• Slight discoloration of the tooth may occur
• In rare cases, the pulp may not heal, leading to the need for a root canal or extraction

Your dentist will explain the chances of success based on your specific case. Recovery and outcome may vary from person to person.

Recovery and Aftercare

Recovery from a pulpotomy is usually quick and smooth. Here is what to expect:

• First few hours: The mouth may feel numb. Avoid eating until the numbness wears off to prevent biting the cheek or tongue.
• First day: Mild soreness is normal. Over-the-counter pain relief, as recommended by your dentist, can help.
• First few days: Stick to soft foods like soup, yogurt, mashed potatoes, or pasta. Avoid hard, sticky, or very hot foods.
• Long-term care: Brush gently around the area, floss daily, and continue regular dental check-ups.

For children, parents should monitor eating habits and watch for any unusual signs.

When to Call Your Dentist

Contact your dentist if you or your child experiences:

• Severe pain that does not go away with medication
• Swelling in the face, jaw, or gums
• Fever or signs of infection
• Pus or unusual discharge near the tooth
• A loose filling or crown

Quick action can prevent small problems from becoming bigger ones.

How Long Does a Pulpotomy Last?

In children, a pulpotomy is usually expected to last until the baby tooth naturally falls out, which often happens between ages 9 and 12 for back teeth.

In adults, when bioceramic materials like MTA or Biodentine are used, studies published in the National Library of Medicine show success rates above 85% over several years. With proper oral care and regular dental visits, a pulpotomy-treated tooth can serve well for many years.

Pulpotomy in Adults: Is It a Good Option?

Traditionally, pulpotomy was mostly performed on children. However, modern research and improved materials have made pulpotomy a reliable option even for adult permanent teeth, especially in cases of early or moderate pulpitis.

For adults, a pulpotomy may be considered when:

• The pulp is still vital
• The infection has not spread to the root canals
• The patient prefers a less invasive option
• A root canal may not be immediately necessary

Your dentist will assess whether a pulpotomy or a full root canal is more suitable for your specific dental condition.

Preventing the Need for a Pulpotomy

The best way to avoid a pulpotomy is to prevent deep cavities in the first place. Here are simple steps that help:

• Brush twice a day with fluoride toothpaste
• Floss daily to clean between teeth
• Limit sugary foods and drinks
• Encourage children to drink water after meals
• Visit your dentist every six months for check-ups
• Treat small cavities early before they reach the pulp

For children, applying dental sealants on the molars can also reduce the risk of decay.

Frequently Asked Questions (FAQs)

1. Is a pulpotomy painful?

No, the procedure itself is not painful. A local anesthetic numbs the area, so you or your child should feel comfortable during the treatment. Mild soreness afterward is normal and can be managed with simple pain relief.

2. How long does a pulpotomy take?

Most pulpotomy procedures take about 30 to 45 minutes from start to finish, depending on the tooth’s condition.

3. Can a pulpotomy fail?

While the success rate is high, a pulpotomy can occasionally fail if the infection was deeper than expected. In that case, a root canal treatment or extraction may be needed.

4. Will my child need a crown after a pulpotomy?

Often, yes. A stainless steel crown is commonly placed on back teeth to protect them and help them last until the permanent tooth comes in.

5. Is a pulpotomy the same as a root canal?

No. A pulpotomy removes only the pulp in the crown of the tooth, while a root canal removes the entire pulp, including the parts inside the roots.

6. Can adults get a pulpotomy instead of a root canal?

Yes, in many cases. With modern materials and techniques, pulpotomy has become a reliable option for adults with early-stage pulpitis. Your dentist will help decide based on a full examination.