Howard Speaks: Pulp Therapy Isn’t What It Used to Be by Dr. Howard Farran, DDS, MBA

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Howard Speaks: Pulp Therapy Isn’t What It Used to Be

What every dentist should know about vital pulp therapy, bioceramics, and the new endodontic mindset

by Dr. Howard Farran, founder, CEO and editor-in-chief of Dentaltown magazine
Each Howard Speaks article is written by Dr. Howard Farran with the assistance of AI. Every piece is developed, reviewed, and refined under Dr. Farran's direction to ensure it reflects his authentic voice, insights, and experience.
If you graduated from dental school more than fifteen or twenty years ago, you were probably trained with a simple rule about pulps. If the pulp looked angry, take it out. If it was really angry, take it out faster. If it was in a baby tooth, put some formocresol on it and move on with your day.

That model worked. It produced a lot of successful dentistry. But the science behind pulp therapy has changed dramatically over the last two decades, and the way many dentists think about pulp biology has shifted from mechanical thinking to biologic thinking.

Today the question is not always “How fast can we remove the pulp?” Sometimes the better question is “Can we keep it alive?”


The big shift: From removing the pulp to managing the biology
For most of modern dentistry, the pulp was viewed as tissue that inevitably failed once it became inflamed. The traditional treatment pathway was simple. Caries gets deep. Pulp gets irritated. Root canal treatment becomes the solution.

The new mindset is more nuanced. The pulp is not just tissue waiting to die. It is a biologically active organ with immune function, sensory function, and the ability to produce tertiary dentin. Under the right conditions, it can heal.

Modern vital pulp therapy, often abbreviated VPT, is built around this idea. Instead of automatically removing the pulp, clinicians may remove only the inflamed portion, disinfect the area, achieve hemostasis, seal the tooth well, and allow the remaining pulp to recover.

That shift did not happen because dentists suddenly became more sentimental about pulp tissue. It happened because several things improved at the same time—diagnosis improved, materials improved, restorative sealing improved, and evidence synthesis improved. When those pieces came together, the door opened to treatment options that were barely discussed twenty years ago.


Vital pulp therapy is not just for kids anymore
For years, vital pulp therapy was mainly associated with immature permanent teeth. The idea was to preserve pulp vitality so root development could continue. That concept has expanded significantly.

The American Association of Endodontists now recognizes that vital pulp therapy may be appropriate in mature permanent teeth as well. In selected cases, procedures such as partial pulpotomy or full pulpotomy can be considered instead of jumping straight to root canal therapy.

Even teeth that would traditionally be labeled as irreversible pulpitis are now being studied in this context. Some evidence suggests that inflammation may be confined to the coronal pulp while the radicular pulp remains capable of healing.

If that sounds radical, remember that dentistry has seen similar shifts before. Selective caries removal used to sound radical too.


What the research is actually showing
Recent systematic reviews report success rates approaching or exceeding 90 percent in carefully selected cases when modern calcium silicate materials are used. These procedures include indirect pulp treatment, direct pulp capping, partial pulpotomy, and full pulpotomy. In many studies, calcium silicate materials such as MTA and Biodentine outperform traditional calcium hydroxide for direct pulp capping.

None of this means root canals are going away. Root canal therapy remains the definitive treatment for necrotic pulps and many cases of advanced disease. What has changed is the front end of the decision tree. Instead of one road, there are now several possible off-ramps.


Pediatric dentistry quietly led the way
If you want to see how dramatically pulp therapy has evolved, look at pediatric dentistry. For decades, formocresol pulpotomy was the gold standard for primary molars. It was predictable, familiar, and widely taught. Newer guidelines tell a different story.

Modern pediatric pulp therapy now strongly favors indirect pulp treatment and pulpotomy with calcium silicate materials. These materials support healing and avoid the concerns associated with formaldehyde-based medicaments. Some studies still show formocresol performing reasonably well in clinical trials, but the overall momentum has clearly shifted toward bioceramic materials and biologically oriented approaches.

That transition did not happen overnight. Many pediatric dentists trained with formocresol still use it today. Clinical habits move slower than published evidence. Dentistry is a human profession. Habits stick.


The real key to success is not the material
One of the biggest mistakes dentists make when learning about modern pulp therapy is focusing too much on the material. Yes, bioceramics matter. Yes, calcium silicate cements have improved outcomes. But the biggest predictors of success are still clinical fundamentals: accurate diagnosis, rubber dam isolation, removal of infected dentin, control of bleeding, a bacteria-tight seal, and a durable final restoration.

If someone switches to a fancy bioceramic material but still cuts corners on isolation or restoration, they may conclude that vital pulp therapy is hype. In reality the failure was not the material. It was the system.


Diagnosis is still the hardest part
One of the most uncomfortable truths about pulp therapy is that our diagnostic labels are imperfect. Terms like reversible pulpitis and irreversible pulpitis are useful clinical categories, but they do not always match the actual histologic condition of the pulp. A tooth diagnosed clinically with irreversible pulpitis may still contain healthy pulp tissue deeper in the chamber. That is one reason partial or full pulpotomy can sometimes work in cases that previously went straight to root canal therapy.

At the same time, that diagnostic uncertainty means case selection matters enormously. Vital pulp therapy is not a magic trick. It works when the biology allows it to work.


Why many dentists are still slow to adopt VPT
Research shows that the biggest factor influencing whether dentists use vital pulp therapy is not the evidence. It is the dentist. Training matters. Experience matters. Comfort level matters.

Many dentists continue to practice the way they were trained in dental school or residency. Surveys of dental schools show that although vital pulp therapy is widely taught in lectures, hands-on training is less common. That gap explains why the literature can move faster than clinical practice. Dentistry changes gradually. One generation learns something new. The next generation treats it as normal.


Practical tips for the everyday dentist
If you are interested in incorporating more biologically oriented pulp therapy into your practice, a few principles make a big difference. Rubber dam isolation is non-negotiable. Bleeding control is a critical diagnostic step. Proper disinfection, often with sodium hypochlorite, is essential. Calcium silicate materials generally show higher success rates than older materials such as calcium hydroxide. And the final restoration determines long-term success.

In other words, the pulp therapy might take ten minutes. The seal you create afterward may determine whether the tooth survives for ten years.


Talking to patients about it
Patients understand the concept of saving tissue. When explaining vital pulp therapy, many dentists find it helpful to frame it in simple biological terms: instead of removing the entire nerve, we remove only the irritated portion and protect the healthy part so the tooth can heal. Patients usually like the idea of a more conservative approach, and they appreciate that the procedure may be less invasive than a full root canal.

The key is setting expectations clearly. Vital pulp therapy works very well in the right cases, but it is not a guarantee. Dentistry rarely is.


The real takeaway
Pulp therapy has not changed because dentists suddenly became more conservative. It changed because the science caught up with the biology. Better materials, better sealing techniques, and better evidence have revealed something that was always true: the dental pulp is not always doomed. Sometimes it just needs a little help.

Dentistry changes gradually. One generation learns something new. The next generation treats it as normal. The pulp might still have a fighting chance. And if it does, that tooth may thank you for the rest of the patient's life.

When you see a symptomatic deep carious lesion today, how often do you seriously consider pulpotomy or vital pulp therapy before scheduling a root canal?

Dentaltown Magazine
March 2026
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