A throbbing toothache that won’t settle, a face that feels puffier than usual, or a strange taste that just won’t go away are just the kinds of things that send most of us straight to Google. 

If you’ve landed here searching for answers, there’s a good chance you’re dealing with (or worried about) a tooth abscess. It’s a common dental issue, but it’s also one that can escalate quickly if it’s left untreated. 

Let’s walk through what a tooth abscess actually is, what it looks and feels like, and when it crosses the line into a dental emergency.

What Is a Tooth Abscess?

A tooth abscess is a pocket of pus that forms because of a bacterial infection. It usually develops when bacteria get inside the tooth through a cavity, crack, or old filling, and make their way down to the nerve. 

There are two main types of dental abscess: a periapical abscess, which forms at the tip of the tooth’s root, and a periodontal abscess, which develops in the gum tissue beside the tooth. Both are forms of dental abscess, but they start in slightly different places. To know exactly which one you’re dealing with, your dentist can determine it during an examination.

Common Tooth Abscess Symptoms

Tooth abscess symptoms can range from mild to quite severe, and they often build up gradually before becoming hard to ignore. Some of the most common signs include:

• A persistent, throbbing tooth abscess pain that may worsen when lying down
• Sensitivity to hot and cold that lingers after the trigger is removed
• Swelling in the face, cheek, or jaw
• A bad taste in your mouth or noticeable bad breath
• Tenderness when chewing or biting down
• Fever or a general feeling of being unwell

If you’re asking yourself, “how do I know if I have a tooth abscess,” persistent pain combined with swelling is usually the biggest clue. Your dentist is best placed to confirm this with an examination and, if needed, an X-ray.

What Does a Tooth Abscess Look Like?

Visually, a tooth abscess can appear as a small, pimple-like bump on the gum near the affected tooth, sometimes referred to as a “gum boil.” The surrounding gum tissue may look red, swollen, or shiny. 

In more advanced cases, swelling can extend to the cheek or jawline, and the area may feel warm to the touch. Not every abscess is visible on the outside, though some develop deeper within the tooth or bone, which is why professional imaging is often needed to confirm a diagnosis.

The Stages of a Tooth Abscess

Understanding the stages of a tooth abscess can help you recognise how urgent your situation might be:

1. Early infection – Bacteria begin to multiply, often with mild sensitivity or discomfort.
2. Pus formation – The body’s immune response creates a pocket of pus, and pain typically intensifies.
3. Localised swelling – Swelling appears around the tooth or gum, sometimes visible as a bump.
4. Spreading infection – Without treatment, infection can spread to the jaw, face, or neck, causing more widespread swelling and, in some cases, fever or difficulty swallowing.

Tooth Abscess vs Gum Abscess

It’s also worth noting that a tooth abscess and a gum abscess are not always the same thing, even though people often use the terms interchangeably. A tooth abscess (periapical) originates inside the tooth, usually from decay or trauma reaching the nerve. A gum abscess (periodontal) tends to form as a result of gum disease or debris trapped beneath the gumline. 

However, regardless of whether you have a tooth abscess or gum abscess, both issues need professional treatment, but the underlying cause, and sometimes the approach, can still differ.

Is a Tooth Abscess a Dental Emergency?

This is the question that matters most. While some early-stage infections can be managed with a routine appointment, certain signs of a tooth abscess suggest you shouldn’t wait, including:

• Swelling that’s spreading to your face, neck, or under your eye
• Difficulty swallowing or breathing
• A fever alongside dental pain
• Feeling generally unwell alongside the swelling

Research indicates that untreated dental infections can, in rare cases, spread beyond the mouth, so these symptoms shouldn’t be ignored. If you’re experiencing any of the above, it’s important to seek urgent care rather than waiting for a routine booking. 

If you’re in Brentwood, WA, our team at Blue Gum Dental offers emergency dental services for exactly this kind of situation, and our team will assess you as quickly as possible.

Tooth Abscess Treatment Options

Treatment depends on the extent of the infection. In many cases, your dentist can drain the abscess and treat the source of the infection, often through root canal treatment, which removes the infected tissue and preserves the natural tooth. In more severe cases, extraction may be recommended instead. 

Every situation is different, so if you’re advised to get root canal treatment, it’s best to know what it’s about in more depth.

When to See Your Dentist

A tooth abscess won’t resolve on its own, and home remedies can only ever offer temporary relief at best. If you notice any combination of the symptoms above, it’s worth booking an appointment sooner rather than later. The earlier it’s addressed, the more treatment options are usually available.

If you’re dealing with tooth pain, swelling, or anything that feels off, don’t wait it out and call for a dental emergency in Brentwood, WA. Contact our team at Blue Gum Dental is here to help you get treated as quickly as possible. 

Call us right away at 08 9316 2603 for dental emergencies.

Frequently Asked Questions

How do I know if I have a tooth abscess?

The most common signs are persistent, throbbing pain and swelling near the affected tooth, sometimes alongside a bad taste or mild fever. A dental examination is the only way to confirm it, so it’s best to book in if you notice these symptoms.

Can a tooth abscess go away on its own?

No. A tooth abscess needs professional treatment to clear the infection. It may temporarily feel better if it drains on its own, but the underlying infection typically remains and can flare up again or spread.

What happens if a tooth abscess is left untreated?

If you leave a tooth abscess untreated, the infection can spread to surrounding tissue, the jaw, or in rare cases beyond the mouth. This is why swelling, fever, or difficulty swallowing should always be treated as urgent.

Is root canal treatment or extraction better for an abscessed tooth?

This depends on how much of the tooth can be saved. Your dentist can advise on the best option after assessing the extent of the infection and the condition of the tooth.