How Long Does Dental Numbing Last?

You leave the dentist feeling fine then try to drink water and suddenly your lip feels twice its size. Weird? Yep. Normal? Usually.

Dental numbing typically lasts about 1 to 3 hours after a procedure though the exact timing depends on the anesthetic used where it was injected and how much was given. Numbness around the lips and tongue can hang around longer than the tooth itself for several hours.

Why Does Dental Numbing Last So Long?

The numbing medicine works by blocking nerve signals in the area where your dentist is working. Your brain doesn’t receive the pain messages so the treatment can happen without you feeling every little thing.

The medicine doesn’t switch off the second your dentist finishes. Your body needs time to break it down and clear it away. That’s why you might feel your cheek returning to normal while one small patch still feels completely asleep.

The Type of Treatment Matters

A small filling may wear off quickly. A deeper procedure often takes longer because the dentist may need stronger or lasting anesthesia.. If you’ve had a tooth removed don’t be surprised if the numb feeling sticks around for much of the afternoon.

Some dental anesthetics are designed to last than others. Your dentist also chooses the amount based on the procedure and the area being treated. So there isn’t one countdown that applies to everyone.

What Does Dental Numbness Feel Like?

• A soft snack is easier to manage especially if you’re still struggling to feel one side of your mouth.

• Hot drinks are worth skipping until normal feeling comes back because numb lips don’t give you warning.

• Chewing on your cheek is surprisingly easy when you can’t feel it and the sore spot may show up later.

How Can You Make the Numbness Wear Off?

Honestly there’s no trick that instantly switches the feeling back on. Your body has to process the anesthetic. That takes time.

Some people hear that moving around or drinking lots of water will make the numbness disappear faster. I wouldn’t count on either one. Staying comfortable and simply giving it time is the approach.

Your dentist may have advice after your procedure especially if you received a longer-lasting anesthetic. Follow that advice than trying some random internet hack.

When Should You Call the Dentist?

Dental numbness fades on its own. If you’re still noticeably numb hours later don’t panic, but it makes sense to contact your dental office and ask what they expect after your particular procedure.

The same goes if the numbness seems to be getting worse of fading or if you develop unusual symptoms that concern you. Your dentist knows which anesthetic was used and how much you received so they can give you a more useful answer than a generic time estimate.

For a procedure the safest rule is pretty simple. Give your mouth time before eating avoid anything hot while you can’t feel it properly and don’t test the numb area by biting it.