Understanding and Treating an Abscessed Tooth: Symptoms, Causes, and Treatment Options

Hugo Benalcazar

Medically reviewed by Hugo Benalcazar, Northwestern University on December 13th, 2023.

Key Takeaways

  • Bacterial infection creates a pus-filled pocket at the tooth root that can spread to the jaw, neck, and even cause sepsis if untreated within days to weeks.
  • Pain typically starts as intermittent throbbing but progresses to constant, severe aching that worsens when lying down or chewing.
  • Root canal therapy has a 85-95% success rate when the tooth structure is salvageable, while extraction may be necessary if more than 50% of the tooth is damaged.
  • Antibiotics like amoxicillin (500mg every 8 hours) or clindamycin for penicillin-allergic patients help control infection but cannot cure it without dental intervention.
  • Emergency signs requiring immediate hospital care include difficulty swallowing, fever over 101°F, facial swelling extending to the eye area, or severe neck stiffness.

An abscessed tooth is a painful infection that occurs in or around the root of a tooth. This infection creates a pocket of pus and can affect anyone, from children to the elderly. If left untreated, the infection can spread beyond the jaw to other parts of the body, making it crucial to seek treatment from a dentist or endodontist.

Symptoms of an Abscessed Tooth

Some common symptoms of an abscessed tooth include:

  • Sharp, throbbing pain, especially when pressure is applied to the tooth

  • Swelling in the gums or face

  • Redness of the gums

  • Sensitivity to hot or cold temperatures

  • A bad taste or odor in the mouth

  • Swollen lymph nodes

  • A pimple-like bump on the gums that may ooze pus when pressed

If the infection spreads, you may also experience fever, trouble breathing, or swelling in the face, neck, or jaw. In these cases, seek emergency medical attention immediately.

Causes and Risk Factors

Tooth abscesses often result from untreated dental problems, such as:

  • Deep cavities or tooth decay

  • Gum disease (periodontal disease)

  • Cracked or chipped teeth

Certain lifestyle factors can increase your risk of developing an abscessed tooth, including:

  • Poor oral hygiene habits

  • A diet high in sugar

  • Dry mouth

  • Infrequent dental check-ups and cleanings

Understanding and Treating an Abscessed Tooth: Symptoms, Causes, and Treatment Options

Diagnosing an Abscessed Tooth

If you suspect you have an abscessed tooth, visit your dentist immediately. They will examine your teeth, take X-rays, and may perform a CT scan to determine the extent of the infection. In some cases, your dentist may refer you to an endodontist, a specialist in treating abscessed teeth.

Treatment Options

Treatment for an abscessed tooth focuses on eliminating the infection. Depending on the severity of the abscess, your dentist or endodontist may recommend:

  • Antibiotics: If the infection has spread beyond the abscess site, antibiotics may be prescribed to help fight the infection.

  • Root canal: This procedure involves removing the infected pulp from the tooth and sealing it to prevent further infection.

  • Tooth extraction: If the tooth cannot be saved, it may need to be removed.

  • Surgery: In some cases, surgery may be necessary to drain a periodontal abscess.

It is important to note that home remedies and antibiotics alone cannot cure an abscessed tooth. Proper dental treatment is necessary to address the underlying infection.

Preventing Tooth Abscesses

To reduce your risk of developing an abscessed tooth, practice good oral hygiene habits, such as:

  • Brushing your teeth twice daily with fluoride toothpaste

  • Flossing daily

  • Limiting sugary foods and drinks

  • Attending regular dental check-ups and cleanings

  • Addressing dental problems, such as cracked or chipped teeth, promptly

By taking care of your teeth and gums, you can help prevent the development of painful and potentially dangerous tooth abscesses.

For more information on dental health and preventing tooth abscesses, visit the American Dental Association, Mayo Clinic, or NHS websites.

The Bottom Line

This dental emergency requires professional treatment within 24-48 hours to prevent potentially life-threatening complications. Antibiotics alone cannot cure the infection—definitive treatment through root canal or extraction is essential for complete healing. If you're experiencing severe dental pain or swelling, Doctronic can help you understand your symptoms and next steps quickly.

Related Articles

Does Mounjaro Affect Fertility?

Understanding Mounjaro and Its UsesMounjaro is a prescription medication commonly prescribed for managing type 2 diabetes. It belongs to a class of drugs that help regulate [...]

Read More