Flying after root canal: the short version
Most dentists suggest waiting about 24 hours before flying after a root canal. Flying is not dangerous for the treated tooth, and pressure changes rarely cause problems, but the tissue around the root is inflamed for the first day or so and some people notice it more during ascent and descent. A day's margin also lets you find out how the tooth is settling before you are away from your dentist.
What is actually going on
Cabin pressure drops as a plane climbs and rises again on the way down. A healthy, well-sealed tooth does not register it. A tooth with inflamed tissue at the root tip sometimes does, as a dull pressure or throb that eases after landing. After a root canal that tissue is at its most irritable in the first day or two. The second consideration is whether the treatment is finished. If your root canal is being done over two visits, the tooth is holding a temporary filling and sometimes medication inside, and a long trip between visits stretches the time that temporary seal has to last. Occasionally a treated tooth flares up with swelling in the first few days, and that is easier to deal with at home than in another country.
The first time, step by step
With the first day behind you, do a quick check before leaving for the airport: the tooth should be no worse than yesterday, with no swelling in the gum or face and a temporary filling that is intact. If that is the picture, fly. During the climb and the descent, notice the tooth without worrying at it; a faint fullness that passes is a known possibility, and sipping water gives you something else to do. Eat the in-flight meal on the other side. After landing, the tooth should feel as it did at the gate. If your dentist or endodontist gave different timing, use theirs.
Fly on an Airplane After Root Canal: What You Need to Know
Wait time
After a root canal, you should wait 24 hours before flying.
Why
Minor pressure sensitivity is possible
Tips for Flying After Root Canal
- 01Tell your dentist or endodontist about travel plans before treatment starts, so visits can be timed around the trip.
- 02Pack over-the-counter pain relief in your carry-on and take it only as the label directs.
- 03Chew on the other side during the trip if the tooth still has a temporary filling.
- 04Ask what to do and whom to call if swelling or strong pain starts while you are away.
Common mistakes
- 01Boarding with a face that has started to swell since treatment because the ticket is not refundable. Swelling after a root canal can mean a flare-up that needs a dentist that day, not a long-haul seat.
- 02Clenching through turbulence or while dozing upright. A treated tooth is tender to pressure for the first days, and a few hours of clenching leaves it throbbing on arrival for reasons that have nothing to do with altitude.
- 03Adding a sleep aid or alcohol on the flight on top of pain relief. Whether those can be combined is a question for a pharmacist or doctor beforehand, not something to find out at altitude.
Other Activities After Root Canal
See when you can do other activities after your root canal:
Table 1 — Other activities after root canal
| Activity | Wait |
|---|---|
| Use a Straw | 24-48 hours |
| Eat Normally | 2-3 hours |
| Smoke | 72+ hours |
| Drink Alcohol | 24 hours |
| Drive | Immediately (if no sedation) |
| Exercise | 24 hours |
Recovery info
Recovery timelines are general guidelines based on typical cases. Individual recovery may vary based on your health, the complexity of your procedure, and other factors. Your own dentist's or surgeon's post-operative instructions always take priority over anything on this page. Call them if you are unsure.