How Long Does a Root Canal Take?

How long does a root canal take, visit by visit?

So, how long does a root canal take from start to finish? The American Association of Endodontists says most root canals take one to two appointments. The NHS says each visit often lasts one to two hours, sometimes longer. Your dentist can give you a clearer idea once they have seen the X-ray and know how many canals the tooth has.

The root canal itself is only part of the timeline. Many teeth also need a crown afterward, which usually means one or two more visits.

What happens during treatment

Root canal treatment follows the same basic steps on every tooth:

• Numbing: a local anaesthetic numbs the tooth and the area around it.
• Isolation: a thin rubber sheet called a dental dam keeps the tooth clean and dry.
• Opening: a small opening is made through the biting surface, or the back of a front tooth.
• Cleaning: the inflamed or infected pulp is removed, and the canals are cleaned and shaped.
• Filling: the canals are filled with a rubber-like material and sealed.
• Closing: a temporary or final filling covers the opening.

Why some root canals take longer

Several things can add time:

• Tooth type: front teeth often have one canal, while molars may have three or more.
• Narrow or curved canals that take longer to find and clean.
• An active infection that needs time to settle, sometimes with medicine placed inside the tooth between visits.
• Re-treatment of a tooth that had a root canal before.
• How much tooth is left, and whether a post is needed later to hold a crown.

Is root canal painful?

This is the question most people really want answered. Is root canal painful? During treatment, the tooth is numbed with local anaesthetic, and most people feel pressure and vibration rather than sharp pain. In fact, treatment is done to relieve the pain caused by an inflamed or infected nerve.

Afterward, mild soreness for a few days is common, especially if the tooth hurt beforehand. The AAE says that for most people, symptoms improve within three to five days. Over-the-counter pain relievers usually help if they are safe for you. Call your dentist if pain gets worse, swelling grows or symptoms last longer than expected.

One visit or two?

A single visit is often possible when the tooth isn't badly infected and the canals are straightforward. Two visits may be planned when there is an active infection or the canals are complex. Between visits, the tooth is sealed with a temporary filling.

Needing a second visit doesn't mean something went wrong. Your dentist chooses the approach based on what the tooth needs.

The crown and the full timeline

The AAE notes that back teeth, such as molars and premolars, generally need a crown after a root canal, while front teeth often don't. A treated back tooth can be more likely to crack, and a crown helps protect it. Until the tooth is fully restored, avoid chewing hard foods on that side.

From first visit to final crown, the whole process may stretch over a few weeks. It's worth finishing promptly, because a tooth left with only a temporary filling can break or become reinfected.

When a referral makes sense

Endodontists are dentists with further training in root canal treatment. General dentists treat many root canals themselves. If your tooth has unusual anatomy or needs complex re-treatment, your dentist may suggest a referral and will explain why.

Root canal treatment in Aurora

If you're in Aurora or nearby and have a tooth that aches, lingers after hot or cold, or has a bump on the gum, call us at 289-475-5497. Our dentists offer root canal treatment, plan it with digital X-rays and talk you through each step. Sedation options are available for some treatments, so let us know if you feel nervous. If facial swelling makes it hard to breathe or swallow, call 911 or head to the nearest hospital emergency department.

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