Home > Patients & Visitors > Health Library > Abscessed Tooth
abscessed tooth is an infection in or around the tooth. It can be very painful. If the infection isn't treated, it can
spread and you can lose your tooth or have other health problems.
Damage to the tooth, an untreated
cavity (tooth decay), or gum disease can cause an abscessed
If a cavity isn't treated, the inside of the tooth
pulp) can become infected. Bacteria can spread from
the tooth to the tissue around it, creating an abscess.
disease causes the gums to pull away from the teeth, leaving pockets. If food
builds up in one of these pockets, bacteria can grow, and an abscess can form.
Over time an abscess can cause the bone around the tooth to dissolve.
Over time as the infection spreads, the bone in your jaw
may start to dissolve. When this happens, you may feel less pain, but the
infection will still be there. If you lose too much bone, your tooth will become loose
and may have to be removed.
If you have a severe toothache, swelling of the gums or face, or drainage of pus, call your dentist
right away. You may have an abscessed tooth. If it isn't treated, the
infection could spread and become dangerous.
Your dentist will ask about your symptoms and look for swelling and other signs of infection in your mouth. He or she may tap on the tooth and apply heat or cold to the tooth.
Your dentist may also take dental X-rays.
An abscessed tooth needs treatment right away. Your dentist may:
You and your doctor can decide what's
best for you.
To reduce pain and swelling, you can put an ice pack wrapped in a towel against your cheek.
You can also try
over-the-counter pain medicine, including acetaminophen (such as Tylenol) or ibuprofen (such as Advil or Motrin). Be safe with medicines. Read and follow all instructions on the label. If you smoke or use any kind of tobacco, try not to do so while your tooth is healing.
The best way to prevent an abscessed tooth is to take good care of your teeth and gums:
If you have a
very dry mouth, you may be more at risk for deep cavities and tooth infections. To help prevent these, take frequent sips of water, chew
sugarless gum, or suck on sugarless candy. Talk to your doctor about medicines that can help.
Health Tools help you make wise health decisions or take action to improve your health.
Learning about an abscessed tooth:
Other Works Consulted
Flynn TR (2008). Principles of management and prevention of odontogenic infections. In JR Hupp et al., eds.., Contemporary Oral and Maxillofacial Surgery, 5th ed., pp. 291–315. St. Louis: Mosby Elsevier.
MacLeod DK, Kern DE (2007). Common problems of the teeth and oral cavity. In NH Fiebach et al., eds., Principles of Ambulatory Medicine. 7th ed., pp. 1864–1878. Philadelphia: Lippincott Williams and Wilkins.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerSteven K. Patterson, BS, DDS, MPH - Dentistry
Current as ofAugust 9, 2016
Current as of:
August 9, 2016
Sarah Marshall, MD - Family Medicine & Steven K. Patterson, BS, DDS, MPH - Dentistry
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.