A toothache can be caused by a variety of dental issues. Some of the most common causes include

Possible Causes

1. Cavities Tooth Decay Bacteria eat away at your enamel, causing pain.
2. Gum Disease Inflammation or infection in the gums can lead to tooth and jaw pain.
3. Cracked or Broken Tooth Even small cracks can expose nerves and cause sensitivity or pain.
4. Abscessed Tooth A deep infection that can cause severe, throbbing pain, swelling, or even fever.
5. Tooth Grinding Bruxism Can wear down enamel and lead to sensitivity or pain.
6. Loose Filling or Crown Can expose sensitive areas of the tooth.

Relief Options Temporary

Overthecounter pain relievers Ibuprofen or acetaminophen can reduce pain and inflammation.
Cold compress Apply on the outside of your cheek to help reduce swelling.
Saltwater rinse Helps reduce bacteria and ease gum irritation.
Clove oil Natural numbing properties apply with a cotton swab to the affected area.

Important

These are temporary solutions. If your toothache lasts more than 12 days, gets worse, or is severe, you should see a dentist as soon as possible. Prompt treatment can prevent more serious complications.

A toothache can be caused by cavities, gum disease, infections, cracked teeth, or exposed nerves. Relief options include pain relievers, warm saltwater rinses, cold compresses, and avoiding hot or cold foods. Seeing a dentist is essential for proper diagnosis and treatment.

Either inflammation around dental nerve like in gingivitis or parodontosis or enamel thinning and loss. Mouth wash with local anesthetic and anti inflammatory medication can help. But if its persistent and getting worse you might need antibiotics and dentists attention

Toothaches can be caused by a wide variety of problems, ranging from intrinsic tooth decay, trauma, gum problems, among others. Diagnosis is best made by a licensed dentist. Toothaches, if undiagnosed and untreated, could lead to serious mouth infections which could spread to the face and even central nervous system. Dr. Odell Note - I am a medical doctor, not a dentist

There are multiple reasons that could cause a toothache. You should seek a diagnosis from a dental office.
In the mean time, if you can take Ibuprofen that may alleviate the discomfort. Try warm salt water rinses 3-5 times per day. Brush and floss your teeth. You may also put an ice pack on the outside of your face in the area of the toothache, If that does not help try warm wet compresses.