In short
- A dental abscess is an infection with pus that needs treatment, not just painkillers.
- Emergency signs: growing swelling, fever, trouble swallowing, breathing or opening the mouth.
- A mouth infection can spread to the face and neck if neglected.
- Antibiotics help, but the cause (the tooth) almost always must be treated.
- With warning signs, be seen the same day.
01What is a dental abscess?
An abscess is a build-up of pus caused by infection, usually from a badly decayed tooth, a damaged root or an impacted wisdom tooth that becomes infected. The body “walls off” the infection and pain, swelling and sometimes a lump on the gum appear.
It may start as bearable discomfort, but an active infection doesn't heal on its own: it needs treatment.
02Signs it's an emergency
Seek care immediately if you notice: swelling of the face or neck that grows, fever or chills, trouble swallowing, opening the mouth or breathing, or severe pain that doesn't ease with painkillers.
These signs mean the infection is spreading. In the mouth, given its closeness to the face and neck, that can become serious within hours.
An infection with growing swelling doesn't wait for your next appointment. In the mouth, acting the same day makes the difference.
03Why you shouldn't wait
A neglected dental infection can spread into the spaces of the face and neck, and even compromise the airway. It's uncommon, but it's exactly what acting early prevents.
That's why an infection with swelling isn't a “next week” matter: it's for today.
04What is the treatment?
Antibiotics control the infection, but in most cases the cause must be resolved: drain the abscess and treat or remove the responsible tooth. With pills alone, the infection usually returns.
As an oral and maxillofacial surgeon, I assess the exact origin with an X-ray and resolve both the emergency and the cause, so it doesn't recur.
·Frequently asked questions
Does a dental abscess clear up with antibiotics alone?
Antibiotics control the infection, but the cause almost always must be resolved (drain and treat or remove the tooth). With pills alone, it tends to return.
When is it an emergency?
When there's growing facial or neck swelling, fever, trouble swallowing, opening the mouth or breathing, or severe pain that won't ease. In those cases, be seen the same day.
Can a tooth infection be dangerous?
If neglected, a dental infection can spread to the face and neck. It's uncommon but serious, which is why timely treatment matters.
Does the treatment hurt?
It's done under local anesthesia. The goal is precisely to relieve your pain and resolve the infection at its source, with clear recovery instructions.
Where do I go for a dental infection in Cancún?
An oral and maxillofacial surgeon, who assesses the origin with an X-ray and resolves both emergency and cause. In Cancún, with Dra. Jessica López.
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