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Dental abscess: Causes and treatment

Explore the signs and solutions for dental abscesses to maintain your oral health

Dealing with dental abscess can be painful. Understanding your condition and how to treat it is important for keeping your smile happy, healthy and pain-free. When left untreated, dental abscesses threaten overall systemic health. At Aspen Dental, we’re here to guide you through understanding and treating dental abscesses as early as possible.

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What is a dental abscess?

Dental abscesses are serious bacterial infections that occur at the root of a tooth or in the gums. These infections lead to the accumulation of pus and can cause severe pain and discomfort. There are three main types: 

Tooth abscess and gum abscess symptoms

There are quite a few symptoms that may persist from this infection, and many can be painful: 

  • Persistent, throbbing toothache and discomfort, hard to ignore. 

  • Noticeable swelling in the face or gums, often visible. 

  • Increased sensitivity to hot or cold foods and drinks, along with pressure.

  • Unpleasant taste in the mouth or consistent bad breath, and 

  • Possible visual signs of infection, like pus or a small pimple on the gums. 

Stages of a tooth abscess

Causes of dental abscesses

Treatment options for dental abscesses

Illustration of a cross-sectional view of a decayed tooth with an abscess. The abscess, caused by a bacterial infection, is located at the root's tip, showing an infection in the surrounding gum tissue. The tooth interior is also visible.

Preventing dental abscess

To prevent dental abscesses, it’s important to keep a diligent oral hygiene routine and have your Aspen Dental dentist promptly evaluate any broken or chipped teeth or infection and cavities, as soon as they are detected. These can become entry points for bacteria to infect the tooth root or gums, leading to abscesses. Regular check-ups ensure potential issues are addressed before they escalate.

A checklist of medical symptoms, including high fever, chills, rapid heartbeat, confusion, extreme pain, discomfort, pale skin, shortness of breath, and lethargy, is displayed on a light gray background  indicating when to seek emergency dental attention.

When to seek immediate medical attention?

It’s important to know the warning signs and symptoms of a spreading infection. Signs of serious complications may include swelling that can cause eye pressure or closure, trouble swallowing and breathing, as well as the following shown in this graphic:  


If you have a dental abscess and begin to experience these symptoms, it is best to seek immediate care, as you could be experiencing sepsis or a heightened infection. 

Dental abscess FAQs

No, dental abscesses do not go away on their own. Abscesses require professional treatment to drain the infection and prevent serious complications. Ignoring an abscess may lead to the spread of infection. 

Dentists may treat dental abscesses by draining the pus to relieve the infection. Your dental professional may incorporate antibiotics into your treatment to minimize the infection, a root canal to save the affected tooth or even a tooth extraction if the tooth cannot be saved. The right treatment for you will depend a number of factors, including how severe your abscess is. 

Yes, an abscess can be a dental emergency. If you are experiencing symptoms seek immediate dental care. Abscesses can lead to more life-threatening infections such as sepsis if not taken care of properly. 

A tooth infection can encompass any infection in the tooth, gums or surrounding areas, often resulting from cavities or gum disease. A tooth abscess is a specific kind of infection where pus forms due to bacterial activity, typically located at the tooth root or in adjacent gums. 

Dental abscesses are not contagious and cannot be spread directly from one person to another. An abscess is a localized infection in the mouth that involves pus caused by bacteria. While the bacteria that cause the infection can be present in saliva, the abscess itself, being an isolated pocket of infection, doesn't spread through casual contact such as kissing or sharing utensils. 

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Remember, maintaining good oral hygiene and regular dental check-ups at an Aspen Dental near you can help prevent such issues and keep your smile healthy and bright.  

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