What Happens If You Delay A Needed Root Canal?

September 15, 2025

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As Dr. Dhaval Patel at Simply Teeth in Mount Prospect, I see firsthand the consequences when patients postpone a root canal that’s been recommended. A root canal is not just a routine dental procedure, it’s a critical treatment designed to save an infected or severely damaged tooth. When you delay it, the infection can worsen, the pain can intensify, and you risk losing the tooth entirely. I know many patients hesitate due to fear, busy schedules, or uncertainty, but waiting often leads to more complex, costly, and painful problems. If you’ve been told you need a root canal, acting sooner rather than later is always the better choice for your oral and overall health.

The Progression Of An Untreated Infection

A root canal is necessary when the pulp inside your tooth, the soft tissue containing nerves and blood vessels, becomes infected or inflamed. This typically results from deep decay, cracks, or trauma to the tooth. If untreated, the infection can spread beyond the tooth’s root into the surrounding jawbone and even into the bloodstream, creating systemic health risks. I’ve treated patients who waited too long and ended up needing emergency dental care or hospitalization.

Increased Pain And Discomfort Over Time

Pain is the body’s way of signaling that something is wrong. At first, the discomfort from an infected tooth may come and go, but as the infection spreads, the pain can become constant, severe, and debilitating. Over-the-counter pain relievers may offer temporary relief, but they do not stop the infection. By delaying treatment, you allow the problem to escalate, often leading to swelling in the face or jaw and difficulty chewing or speaking.

Risk Of Tooth Loss And More Expensive Treatment

One of my goals as a dentist is to preserve natural teeth whenever possible. A timely root canal allows me to save your tooth and restore its function with a crown. If you delay too long, the damage may become irreversible, leaving extraction as the only option. Losing a tooth can lead to shifting of surrounding teeth, bite problems, and the need for tooth replacement options like implants or bridges, which are far more costly and complex than a root canal.

The Potential For Serious Health Complications

A dental infection is not something to take lightly. If bacteria from an untreated tooth infection enter your bloodstream, it can lead to serious conditions such as sepsis, which is a life-threatening medical emergency. There is also evidence linking oral infections to systemic issues like heart disease and diabetes complications. Addressing the infection early with a root canal significantly reduces these risks.

Faster Recovery And Better Long-Term Outcomes

When we perform a root canal promptly, the infection is contained, healing begins quickly, and your chances of keeping the tooth for a lifetime are much higher. Waiting only makes the procedure more complicated and your recovery potentially longer. My patients who choose early treatment often return to normal eating and speaking within days, without lingering discomfort.

Frequently Asked Questions About Delaying A Root Canal

How Long Can I Wait Before Getting A Root Canal?

There’s no safe set amount of time to delay a root canal. Infections can progress rapidly, and symptoms may worsen in a matter of days or weeks. Waiting increases the likelihood of severe pain, swelling, and tooth loss.

What Are The Signs That My Tooth Infection Is Getting Worse?

Increasing pain, swelling in the gums or face, sensitivity to hot or cold, and the presence of a pimple-like bump on the gums are warning signs. Fever and difficulty opening your mouth can also indicate a serious infection.

Can Antibiotics Replace The Need For A Root Canal?

Antibiotics may temporarily reduce infection symptoms, but they cannot remove infected tissue inside the tooth. Only a root canal or extraction can fully resolve the problem and prevent the infection from returning.

Will Delaying Treatment Make The Procedure More Painful?

In most cases, modern root canal therapy is no more uncomfortable than getting a filling. Delaying can cause the infection to spread, potentially requiring more invasive treatment or multiple appointments.

Can An Untreated Infected Tooth Affect My Overall Health?

Yes. Oral infections can spread to other parts of the body, potentially leading to systemic health issues. Immediate treatment is essential for protecting both your oral health and your general well-being.

Is There A Point When A Root Canal Is No Longer Possible?

If the infection has destroyed too much of the tooth’s structure or surrounding bone, saving the tooth may no longer be an option. That’s why early intervention is so important.

What Should I Do If I Can’t Get An Appointment Right Away?

If you experience severe pain or swelling, call your dentist’s office and explain the urgency. In the meantime, manage discomfort with over-the-counter pain relief and avoid chewing on the affected tooth.

Call Dr. Patel At Simply Teeth Before It’s Too Late

If you’ve been told you need a root canal, waiting will only make the problem worse. At Simply Teeth in Mount Prospect, I provide gentle, effective root canal therapy to relieve your pain and protect your smile.

Contact Simply Teeth today to schedule your next visit, by calling us at 847-870-1111. I proudly serve patients in Mount Prospect as well as Prospect Heights and Des Plaines, Illinois. Let’s take care of your teeth now so you can avoid bigger problems later.