Root canal recovery is usually straightforward, but a few small choices in the first week protect the tooth and reduce discomfort. Here is what the week looks like.
Day 1 - immediately after the procedure
You walk out of the office numb on one side. For the next 2-4 hours:
- Avoid eating until the numbness fades. Number-one post-procedure injury: biting your cheek or tongue while still numb.
- Skip very hot drinks - you cannot accurately judge temperature.
- No chewing on the treated tooth - it has only a temporary filling, and full strength awaits the crown.
- Take a preemptive ibuprofen (400-600 mg) before numbness wears off; staying ahead of the soreness works better than catching up.
- Plan a quiet evening - most patients are tired after a long appointment.
Days 2-3 - the soreness peak
Mild aching and pressure sensitivity are normal - they peak in the first 48 hours and improve daily after that. Management:
- Ibuprofen 400-600 mg every 6-8 hours as needed; some patients alternate with acetaminophen.
- Soft foods on the treated side; chew on the other side preferentially.
- Avoid sticky foods that could pull off the temporary filling.
- Salt-water rinses 3-4× daily can soothe gum tissue around the tooth.
- Maintain regular brushing and flossing, including around the treated tooth.
If pain INCREASES during day 2-3 instead of decreasing, or you develop swelling, call us.
Days 4-7 - back to normal
By the end of the first week:
- Most discomfort is gone.
- Tooth no longer feels "different" except for the absent thermal sensation (the nerve is gone).
- The temporary filling is still in place; protect it by avoiding sticky and hard foods on that side.
- The bite should feel even - let us know if the tooth feels "high" when you bite together.
Resume normal exercise and full diet on the other side. Continue avoiding heavy chewing on the treated tooth until the crown is placed.
Why the crown matters - and when to schedule it
A root-canaled tooth is structurally weaker than a healthy tooth - the access opening, the loss of internal pulp tissue, and the often-large existing filling all reduce its fracture resistance. A crown restores that strength.
- Schedule the crown within 2-4 weeks after root canal. Delaying past 30 days significantly increases fracture risk.
- For front teeth, sometimes a permanent filling is sufficient. The dentist will tell you at the visit.
- The crown appointment is straightforward - usually two visits if a lab-fabricated crown, or one visit with same-day chairside crowns.
We schedule the crown at the same time as your root canal to make sure it doesn't slip through the cracks.
Warning signs - when to call
Most patients have an uneventful recovery. Call if you notice:
- Severe or worsening pain after the first 2-3 days
- Significant swelling of the gum, cheek, or face
- A persistent bad taste localized to the treated tooth
- Loose or lost temporary filling before the crown appointment
- A "high" feeling on biting that doesn't resolve in 24-48 hours
- Fever combined with any of the above
Most of these are simple to address - bite adjustment, antibiotic, or refining the temporary filling. Calling early prevents bigger issues.
Frequently asked questions
- Why does my root canal tooth still hurt?
- Mild soreness for 2-3 days is normal - the ligament around the tooth is inflamed from instrumentation. Pain that worsens or persists past 5-7 days deserves a follow-up call. Some teeth are simply more sensitive during healing; persistent discomfort is rarely a sign that the procedure failed.
- Can I eat normally after a root canal?
- Yes, on the OTHER side of the mouth. Avoid chewing on the treated tooth until the final crown is placed - temporary fillings can fracture under heavy load.
- What happens if I lose the temporary filling?
- Call us - the temporary protects the tooth from contamination and fracture. We can usually replace it the same day. In a pinch, a piece of sugar-free gum can act as a temporary protection until you can be seen.
- How long until the crown is permanent?
- Standard process: prep visit at 2-3 weeks after the root canal, lab time of 1-2 weeks, then crown delivery. Total ~3-5 weeks from root canal to permanent crown. Same-day chairside crowns can shorten this significantly.