In short: No — a modern root canal is done under local anaesthetic, so it’s about as comfortable as having a filling. The severe pain people associate with root canals actually comes from the infection before treatment; the root canal is what relieves that pain. Mild tenderness for a few days afterwards is normal.
“Root canal” has an unfair reputation for being painful, but the reality of modern treatment is very different — and reassuring. The truth is that a root canal relieves pain rather than causing it.
Here’s why it doesn’t hurt:
- The tooth is fully numbed with local anaesthetic before the dentist begins, so during the procedure you feel no pain — just some pressure or vibration, much like having a filling done.
- The severe pain people dread and associate with root canals is actually caused by the *infection or inflamed nerve before treatment — the toothache, throbbing and swelling. The root canal removes that infected nerve, which is exactly what takes the pain away.*
- Modern techniques and anaesthetics make the procedure routine and comfortable, and for anxious patients, sedation can help further.
Afterwards, it’s normal to have some mild tenderness or sensitivity for a few days, especially when biting, as the area settles. This is easily managed with ordinary over-the-counter painkillers and soon fades.
So if you’re avoiding a root canal because you’re afraid it will hurt, know that putting it off usually leads to more pain from the worsening infection — while the treatment itself is the thing that brings relief.
If you’re in pain or have been told you need one, book a root canal treatment with us — we’ll keep you comfortable throughout.