If you’ve recently had a root canal treatment, or you’re due to have one, you may be wondering how long a root canal takes to heal.
The good news is that most people recover quickly. While it’s normal to experience some tenderness after the procedure, this usually improves within a few days and most patients find their symptoms have settled within one to two weeks.
However, if your pain is getting worse instead of better, or you’re still experiencing significant pain or discomfort after several weeks, this could be a sign that something isn’t right.
In this guide, we’ll explain:
- How long root canal healing typically takes
- What symptoms are considered normal
- When you should seek further advice from a dental professional
How long does a root canal take to heal?
For most people, healing after a root canal follows a fairly predictable timeline:
| Time after treatment | What you may experience |
| First 24 hours | The local anaesthetic gradually wears off. Mild soreness and tenderness are common. |
| Days 2-3 | Some soreness or tenderness may continue, but symptoms should generally begin to improve. |
| Days 4-7 | Pain and tenderness should steadily reduce. Most people can eat normally again. |
| 1-2 weeks | Symptoms often have largely settled, although some mild sensitivity may occasionally remain. |
Everyone heals at a different rate, so some people may recover more quickly than others after a root canal. Factors such as the severity of the original infection and the complexity of the procedure can also affect healing time.
Is pain after a root canal normal?
Some mild pain or discomfort in the days following a root canal is completely normal.
You may experience:
- Mild aching
- Tenderness when biting
- Slight swelling around the gums
- Sensitivity when chewing
These symptoms should gradually improve over several days. Over-the-counter pain relief is often enough to manage the discomfort.
You can read more about the kind of pain to expect after a root canal in our guide: Does a Root Canal Hurt?
What can affect how long a root canal takes to heal?
Several factors could influence your recovery:
1. The severity of the infection
A tooth with a large infection around the root may take longer to settle than one treated before the infection became advanced.
2. Whether the treatment was completed in one or more visits
Some root canals are completed in a single appointment, while others require two or more visits. If medication has been placed inside the tooth between appointments, your dentist may leave the temporary filling in place for a short period before permanently sealing the tooth.
3. Your overall health
Healing can sometimes take longer in people with medical conditions that affect the immune system or healing process.
4. Following your dentist’s aftercare advice
Looking after the treated tooth can help promote healing. Your dentist may advise you to:
- Avoid chewing on the treated tooth for a short time
- Maintain good oral hygiene
- Attend any follow-up appointments
- Return promptly if your symptoms worsen.
Following these instructions can reduce the risk of complications occurring.
When should I be concerned?
While mild discomfort is expected, certain symptoms could be a sign that something isn’t right.
These include:
- Pain that becomes worse rather than better
- Severe throbbing pain
- Significant swelling of the face or jaw
- Pus or discharge around the tooth
- A bad taste that doesn’t go away
- Fever or feeling generally unwell
- Pain that persists beyond two weeks without improvement
These symptoms could indicate that the infection has not fully resolved or that another complication has developed requiring further investigation.
Your dentist may need to examine the tooth and take further X-rays to determine whether additional treatment is required.
See our guide What Are the Signs of a Failed Root Canal? for more information and guidance.
What happens if a root canal doesn’t heal properly?
Although root canal treatment has a high success rate, it isn’t always successful. Sometimes, bacteria remain inside the root canal system, or the tooth becomes reinfected after treatment.
If this happens, you may need:
- Repeat root canal treatment
- Root-end surgery (apicectomy)
- Tooth extraction if the tooth cannot be saved
Early assessment is important, as treating the problem promptly may improve the chances of saving the tooth.
Is delayed healing a sign of dental negligence?
Not necessarily. Healing times vary, and some root canals are more complex than others. A slower recovery does not automatically mean that your dentist has done something wrong.
However, there are situations where ongoing pain may be linked to substandard treatment. Examples include:
- Failing to completely remove the infection
- Missing one or more root canals during treatment
- Poor cleaning or sealing of the canals
- Delaying treatment despite signs of serious infection
- Failing to identify or appropriately manage complications during or after the procedure
If treatment falls below an acceptable professional standard and this causes avoidable injury, pain or the need for further treatment, it may amount to dental negligence.
What should I do if my root canal is still hurting?
If your symptoms aren’t improving, don’t ignore them.
Arrange an appointment with your dentist as soon as possible so they can assess the tooth and identify the cause of your pain.
You should also keep records of:
- Any follow-up appointments
- Additional treatment you’ve needed
- Receipts for treatment costs
- How the ongoing pain has affected your daily life
If you later discover that your ongoing problems were caused by negligent treatment, this information may help support a dental negligence claim.
Concerned about your recovery after a root canal?
Most people recover from root canal treatment within one to two weeks, with discomfort improving steadily during the first few days.
However, persistent or worsening pain shouldn’t be ignored. While complications don’t always indicate negligence, avoidable mistakes during root canal treatment can sometimes lead to unnecessary pain or further procedures.
If you believe your root canal treatment fell below an acceptable standard and you’ve suffered avoidable harm as a result, get in touch with the Dental Law Partnership for a free, no-obligation assessment. Our specialist dental negligence solicitors can help determine whether you may have a valid claim.