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Frequently Asked Questions About Root Canal Treatment
1. What is a root canal?
A root canal is a dental procedure that removes infected or damaged pulp (the soft tissue inside the tooth containing nerves and blood vessels), cleans the inner canals, and seals the tooth to prevent further infection.
2. Why do I need a root canal?
You may need one if you have a deeply decayed tooth, a cracked or chipped tooth, repeated dental procedures on the same tooth, or a dental abscess — all of which can allow bacteria to infect the pulp.
3. Is a root canal painful?
Modern root canals are performed under local anesthesia and are generally no more painful than getting a filling. Most patients report that the procedure itself is relatively comfortable; any discomfort is usually mild and temporary afterward.
4. What are the signs I might need a root canal?
Common signs include severe toothache, prolonged sensitivity to hot or cold, darkening of the tooth, swollen or tender gums, and a persistent pimple-like bump on the gums.
5. How long does the procedure take?
A root canal typically takes 1–2 appointments, each lasting 60–90 minutes, depending on the complexity and which tooth is involved (molars have more canals and take longer).
6. What happens after the procedure?
After treatment, a crown or permanent filling is usually placed to protect the tooth. Mild soreness for a few days is normal and can be managed with over-the-counter pain relievers.
7. How long do root canal-treated teeth last?
With proper care — regular brushing, flossing, and dental check-ups — a treated tooth can last a lifetime.
8. Is extraction better than a root canal?
In most cases, saving your natural tooth with a root canal is preferable to extraction. Missing teeth can lead to shifting teeth, bone loss, and chewing difficulties. Implants or bridges to replace extracted teeth are also more costly.
9. Are there alternatives to a root canal?
The main alternative is tooth extraction. In very early stages of infection, antibiotics may temporarily manage symptoms, but they cannot eliminate the source of infection within the tooth — a root canal or extraction is ultimately required.
10. Is a root canal safe?
Yes, it is a very safe and routine procedure performed millions of times a year. Old myths linking root canals to illness have been thoroughly debunked by modern research.
11. How much does a root canal cost?
Costs vary depending on the tooth and location.
12. What are the risks if I delay treatment?
Delaying treatment can allow the infection to spread to surrounding teeth, jawbone, and even other parts of the body, potentially leading to a dental abscess or serious systemic infection.
Written and approved by
Dr. Navaneethakrishnan BDS.,
Dr. Karthikeyan MBBS.,