Reviewed by Dr. Matthew Young, DDS
Reading time: four minutes
An exposed nerve in a tooth can cause severe pain that may worsen when eating, drinking, or breathing cold air. The pain can become persistent if the underlying damage is not treated.
How To Relieve Pain From Exposed Nerve in Tooth
Methods used to relieve exposed tooth nerve pain are often temporary unless the underlying cause is treated. Certain home care measures may help reduce irritation and discomfort while waiting for a dental evaluation.
Short-term relief options:
- Rinse gently with warm salt water to help reduce irritation
- Avoid very hot, cold, sweet, or acidic foods
- Chew on the opposite side of the mouth
- Take over-the-counter pain medication if medically appropriate
- Use toothpaste formulated for sensitive teeth
- Keep the area clean to reduce bacterial buildup
- Avoid pressure on cracked or damaged teeth
If the pain is severe, persistent, or associated with swelling, professional dental treatment is usually necessary.
What Does an Exposed Nerve in a Tooth Feel Like?
An exposed nerve often produces pain that is stronger and more persistent than standard tooth sensitivity. Symptoms can vary depending on how much of the nerve is exposed and whether infection is present.
Common symptoms may include:
- Sharp pain when eating or drinking
- Lingering sensitivity to cold or heat
- Throbbing tooth pain
- Pain while biting down
- Sudden shooting pain
- Gum swelling near the tooth
- Facial discomfort or jaw pain
In some situations, the pain may temporarily improve and then return as inflammation or infection progresses deeper into the tooth.
Signs an Exposed Tooth Nerve May Be Infected
An exposed nerve may eventually lead to infection if bacteria enter the pulp chamber, where the tooth’s nerves and blood vessels are located. Dental infections can worsen over time and may spread into surrounding tissues.
Signs that may indicate infection of a tooth nerve:
- Swelling around the tooth or gums
- Persistent throbbing pain
- Bad taste in the mouth
- Pus or drainage near the tooth
- Pain that becomes more noticeable while lying down
- Fever
- Facial swelling
- Increased sensitivity to pressure
These symptoms should be evaluated promptly by a dentist.
How Dentists Treat an Exposed Tooth Nerve
Treatment depends on the condition of the tooth and the surrounding structures.
Dental treatment may involve:
- Fillings for smaller areas of decay
- Dental crowns for cracked or weakened teeth
- Root canal treatment if the tooth pulp is damaged or infected
- Tooth extraction if the tooth cannot be restored
- Antibiotics when an infection is present
Delaying care can allow the damage to progress deeper into the tooth and surrounding bone. If you are experiencing severe tooth pain or suspect an exposed nerve, contact your dentist for an evaluation.
Emergency Dental Care for Severe Tooth Pain
At Post Street Dental Group, we evaluate severe tooth pain, cracked teeth, deep decay, and possible dental infections using detailed exams and digital imaging to help identify the source of discomfort.
We reserve time in our schedule for urgent dental concerns, including persistent tooth pain, swelling, and sudden sensitivity that may indicate nerve irritation or infection. Early evaluation can help prevent worsening symptoms and additional complications.
Emergency Dentist in Downtown San Francisco
To book an appointment at our dental office in San Francisco, call (415) 986-4534 or visit us at 490 Post St #520, San Francisco, CA 94102.
FAQs
An exposed nerve generally does not heal without treatment. The damaged enamel, dentin, or tooth pulp usually requires dental repair to help prevent worsening pain, infection, or additional structural damage to the tooth.
Pain may come and go, but it often worsens over time if the underlying cause is not treated. In some cases, inflammation or infection inside the tooth can make the pain more persistent or more severe during eating, drinking, or pressure.
Root canal treatment removes infected or damaged pulp tissue from inside the tooth. This often reduces pain associated with nerve inflammation or infection while helping preserve the remaining tooth structure.
Severe pain, swelling, fever, facial swelling, or drainage should be evaluated promptly by a dentist. Even when symptoms are mild, ongoing tooth pain may indicate deeper decay, nerve damage, or infection that can worsen without treatment.