9 Causes of Tooth Pain

1. Too Much Mouthwash


Love minty fresh breath? If you swig mouthwash throughout the day, you may set yourself up for a sore mouth. That’s because some products have acids that make already-sensitive teeth worse. The solution: Ask your dentist about neutral fluoride rinses or those that lower sensitivity, and what ingredients to avoid.

2. Eating Acidic Foods

crappy food

Can’t get enough tomatoes, citrus, fruit juices, and other goodies that make your mouth water? Your teeth can. Enjoy too many acid-rich foods and drinks and you could erode the outer covering of your teeth, called enamel, and expose the tender layer beneath, called dentin. Don’t want to give up these tart favorites? Cut the acid with a piece of cheese or glass of milk after eating.

3. Tooth Whiteners and Some Toothpastes

tooth whitening

Just about everyone wants a brighter smile, but tooth whiteners and toothpastes with peroxide-based bleaching solutions can cause sensitive teeth. The feeling is often goes away once you stop using the product, though. Want the best option for you? Talk to your dentist.

4. Receding Gums


The roots of your teeth have thousands of tiny tubes that carry feeling (hot, cold, sweet) to a nerve center known as the pulp. Usually the roots are covered by gum tissue. But if you have periodontal disease, that layer can pull away from teeth, exposing the ultra-sensitive root. Receding gums need a dentist’s help, so talk to yours.

5. Brushing Too Hard

tooth enamel

If you brush too hard or don’t use a soft brush, your gums can pull away from tooth roots. This can also wear away your enamel and expose dentin (yellow). Holes in the dentin are the tiny tubes (blue) that allow hot, cold, and sweet foods to affect tooth nerves. Ouch!

6. Recent Dental Work


It hardly seems fair, but sometimes keeping your pearly whites in good shape with regular visits to the dentist can work against you. Teeth cleanings, replacement crowns, tooth restorations, and root planing can all lead to some short-term tooth sensitivity. If you’re worried about this before a procedure, or if it continues after your visit, talk to your dentist.

7. Cracked Teeth

cracked tooth

Munching ice, biting into hard candies, or having large fillings can lead to chipped, broken teeth. Once a tooth is cracked, the nerve-rich pulp hidden deep inside may become irritated when chewing rubs the cracked tooth pieces together. A crack may also fill with bacteria, leading to inflammation, which can cause more pain.

8. Grinding or Clenching Your Teeth


Tooth enamel is the strongest material in your body, but it’s no match for the power of clenching or grinding. Over time, both of these often-mindless habits can wear away enamel, leaving the nerves in danger. Mouth guards, lifestyle changes, and diet tweaks can all help stop the wear and tear.

9. Tooth Decay

tooth decay

Decay, like this cavity, exposes the root of your tooth to a host of irritants: hot, cold, sweets, even air. The best ways to battle decay and keep your teeth in top form are to practice good oral hygiene, eat right, and see your dentist regularly.

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