Specialized Procedures

Why Are Root Canals Bad? Separating Myths from Facts

Root canals have a reputation—and not a good one. Mention the phrase, and most people wince, imagining endless pain and a dental drill from the underworld. But are root canals really as bad as they sound, or are we all just clinging to outdated myths?

6 min read

Jul 04, 2025

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When you hear the words “root canal,” what’s the first thing that pops into your head? If your brain conjures up images of medieval torture chairs and endless tooth pain, you’re not alone. Root canals have been saddled with a pretty bad reputation over the years—but is it fair? Is this common dental procedure actually dangerous, or are we just buying into outdated myths?

Let’s unpack the truths about root canals, tackle the fears, and give you the real scoop on whether or not you should be worried about that next trip to the dentist.

Root Canals: What’s Really Going On Inside Your Tooth

First things first—what is a root canal, exactly?

Inside the tooth, there’s a soft tissue called the pulp. It’s where nerves, blood vessels, and connective tissue live. When the pulp inside becomes inflamed or infected—thanks to deep decay, a crack, or trauma—you may need a root canal to save the tooth. The root canal procedure involves removing the infected pulp, cleaning and shaping the canals of the tooth, and sealing it off with a root canal filling.

The goal? Eliminate bacteria inside, prevent reinfection, and keep your natural tooth right where it belongs.

Root Canal Treatment: Is It as Bad as People Say?

Here’s where things get messy. Some people argue that root canal treatment traps bacteria inside the tooth, leading to long-term health issues. Others say a root canal fails more often than it succeeds. But let’s be honest: how many of those opinions are based on science versus stories passed around like bad gossip at a high school reunion?

The truth is, when performed correctly by a skilled endodontist or dentist, root canal therapy is safe and highly effective. In fact, the American Association of Endodontists states that treatment saves your natural tooth and that a root canal tooth can last a lifetime with proper care.

So why do root canal-treated teeth get such a bad rap? Misinformation. And a few bad experiences don’t mean the whole system is broken.

Dental Experts Know the Root Canal System Is Complex

Root canal specialists—aka endodontists—are trained to understand every curve and twist inside the root canal system. The challenge? Every root canal is different. Some teeth have multiple main canals, accessory canals branching off, and microscopic crevices that even the best tools can struggle to reach.

That’s why sometimes, even after treatment, a portion of the infection may persist, or reinfection may occur later. But that doesn’t make root canals bad. It just highlights why choosing an experienced root canal specialist matters.

Tooth Trouble: When You Might Need a Root Canal

How do you know if you need a root canal? Common signs include:

If you’re experiencing any of these symptoms, your dentist or endodontist may suggest a root canal procedure as the best way to avoid tooth extraction and protect your overall health.

Myths About Root Canals: Busted

Let’s look at some of the biggest myths about root canals and what’s actually true.

Myth 1: Root canals cause disease throughout the body.

This theory originated from research in the early 1900s that has since been widely discredited. There’s no strong scientific evidence that root canal-treated teeth cause systemic health problems. Claims that root filled teeth can contribute to the development of cancer, heart disease, or other adverse health conditions have been thoroughly debunked.

Myth 2: It’s better to just pull the tooth.

Tooth extraction may sound simpler, but losing a tooth can affect your bite, jawbone health, and smile. Saving your natural teeth is almost always the best option if possible. And remember, pulling a tooth means you’ll likely need a replacement like a ceramic metal-free implant, which comes with its own risks and costs.

Myth 3: Root canals are always painful.

We get it—the idea of someone poking around inside the root of your tooth isn’t exactly comforting. But modern dentistry has come a long way. Most patients say getting a root canal feels similar to getting a filling. Local anesthesia numbs the area, and your dental care team will make sure you’re comfortable from start to finish.

Truths About Root Canals: What You Need to Know

Here’s the straight talk: root canal treatment doesn’t make you sick, doesn’t leave you with dead teeth, and isn’t a dental death sentence.

What it does do is help preserve your tooth, avoid further decay, and prevent the need for a more complex implant or bridge. It also helps stop infection from spreading through your blood supply to the rest of the body, protecting your overall health.

Still, every root canal may not succeed. If a root canal fails, retreatment is often possible, and there are also surgical options that can address lingering issues.

Root Canal Tooth vs. Implant: Weighing Your Options

If you’re trying to decide between a root canal and an implant, consider the risks and benefits of each.

  • Root canal therapy allows you to keep your natural teeth and doesn’t require invasive surgery.

  • It’s often less expensive and preserves the natural feel of your bite.

  • However, it’s not a guaranteed fix—some cases may eventually require extraction or retreatment.

Implants, especially metal-free and biocompatible ones, are great alternatives when a tooth can’t be saved.

  • Implants involve healing time, cost more, and may not be ideal for everyone.

  • They may not be ideal for patients with dental anxiety or certain health conditions.

Dentistry and Diagnosis: Not One-Size-Fits-All

Like all dental procedures, root canals aren’t automatically the right choice for every situation. You’ll want to talk to your dentist or endodontist about your specific case. They’ll evaluate the pulp chamber, check the level of infection or inflame, and consider any existing disease processes before making a recommendation.

Some people who undergo a root canal may need a crown or filling afterward to restore full function. Others may need additional dental work down the line. But in many cases, practicing good oral hygiene, showing up for cleanings, and taking care of your teeth can prevent further issues.

Endodontic Care: The Specialists Behind the Scenes

Root canals are usually handled by endodontists, the behind-the-scenes heroes of dentistry. These folks are trained to disinfect the inside of a tooth, remove infected pulp, and work within the canals of the tooth with crazy precision. If you’ve got a complicated case, don’t be afraid to ask for a referral to a root canal specialist—it could make all the difference in how successful your dental treatment turns out.

Final Word: Not All Root Canals Are Created Equal

At the end of the day, root canals aren’t villains—they’re problem-solvers. Like any treatment, they aren’t perfect. But the idea that a root canal treated tooth will ruin your oral health or contribute to systemic health problems is more fear than fact.

If you’ve been told you need a root canal, take a breath, talk to your health care provider, and make an informed choice. Your tooth can last a lifetime with the right treatment and follow-up care.

Root canals aren’t bad—they’ve just been misunderstood. Let’s finally give them the credit they deserve.

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