Updated 4/4/2025
A toothache is pain that originates in or around a tooth. The discomfort typically occurs when the sensitive nerves inside the tooth—known as the dental pulp—are irritated, inflamed, or infected. This inflammation can stem from cavities, injuries, infections, or even stress-related behaviors like teeth grinding.
While some minor pain can resolve on its own, persistent or severe toothaches are often a sign that something more serious is going on.
Toothache symptoms can vary widely. You may notice:
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These symptoms may come and go or become progressively worse if not treated. If you experience swelling or fever, that could be a sign of an abscess, which needs prompt medical attention.
Tooth pain, or toothaches, can arise from various causes, including improper tooth development in young children, minor injuries such as biting into a hard object or aggressive flossing, as well as more severe underlying conditions.
Painful or sensitive teeth can be the result of tooth fractures, periodontal disease, or dental decay.
Gum Disease (Periodontitis). Inflamed gums and receding gumlines can expose tooth roots, leading to pain and sensitivity. Sometimes tooth pain isn’t even caused by a dental issue. Problems with the temporomandibular joint (TMJ), sinus infections, or earaches can cause referred pain that feels like a toothache.
Toothaches can also result from the loss of a tooth, such as after an extraction, when the nerves of surrounding teeth have been jarred or exposed.
Sometimes tooth pain is pain from other areas that have radiated to the jaw, where it seems to be a toothache. Ear pain, sinuses, and the temporomandibular joint—or jaw joint—can all develop pain that, over time, may seem to originate at the tooth.
Minor toothaches caused by temporary irritation—such as brushing too hard—may fade within a day or two. But more often, toothaches caused by decay or infection will continue or get worse without treatment.
Even if the pain subsides on its own, the underlying issue may still be progressing. For example, infection in the tooth pulp may kill the nerve, momentarily relieving pain—while the infection continues to spread.
When in doubt, it’s always best to have your symptoms evaluated by a dental professional.
You should schedule a dental appointment if:
Your toothache lasts longer than 1–2 days
The pain is intense, spreading, or interfering with eating and sleeping
You notice swelling, pus, or a bad taste in your mouth
Over-the-counter medications aren’t helping
You also have a fever, earache, or pain when opening your mouth
Ignoring tooth pain can allow decay or infection to spread, sometimes requiring more invasive—and costly—treatment down the line.
The right treatment depends on the cause. Your dentist will perform a thorough exam and take X-rays if necessary to diagnose the issue.
Fillings for cavities
Root canals for infected pulp
Crowns to restore cracked or weakened teeth
Extractions for teeth that can’t be saved
Antibiotics to treat or prevent the spread of infection
Mouthguards to protect teeth from grinding
For temporary relief at home, try rinsing with warm saltwater, applying a cold compress, and using over-the-counter medications like ibuprofen or acetaminophen.
Don’t let toothaches or tooth pain keep you down. Dental Depot DFW makes getting the dental care you need fast, easy, and convenient with four metro locations, flexible scheduling, and Saturday appointments. From routine dental cleanings and checkups to emergency dental care, Dental Depot DFW’s caring and professional staff  in Dallas, Lewisville, Aubrey, The Colony, McKinney, Arlington, and Highland Village are ready to help. Find your nearest location or schedule your appointment today.
Dr. Kana is dedicated in providing the highest level of care. He and the staff are committed to education and expanding knowledge. He has completed over 1,000 hours of continuing education. Dr. Kana hopes that being accessible to all of his patients, strong community feel and values, and strong patient/customer service is what will help our practice and community grow.
