Toothache and Facial Swelling: the Connection - Dentistry

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Toothache can cause facial swelling and numbness?


For the past week, I've been experiencing numbness and pain in the last tooth on the left side of my face.
When I look in the mirror, I can see a few black lines in the middle of that tooth.
My left face is slightly swollen, and my left eye appears noticeably sunken, with blurred vision compared to before.
My left ear is also uncomfortable, and the muscles on the left side of my neck are swollen.
Could this be caused by the tooth? Thank you, doctor.

Hao, 10~19 year old female. Ask Date: 2015/03/04

Dr. Zhuang Suhui reply Dentistry


Hello, it's difficult to determine.
It could be related to other dental issues or possibly problems related to otolaryngology (ear, nose, and throat).
I recommend visiting a nearby dentist or an otolaryngologist for an examination.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
Online responses should only serve as a reference; if necessary, it is important to seek medical attention at a healthcare facility.
The Ministry of Health and Welfare Taitung Hospital cares about you.

Reply Date: 2015/03/04

More Info


Toothache and facial swelling can often be interconnected, and your symptoms suggest that there may be an underlying dental issue that requires attention. Based on your description, it seems that you are experiencing pain in the last tooth on the left side of your mouth, along with visible black lines on the tooth, swelling in your left cheek, and discomfort in your left ear and neck. These symptoms can indicate a few potential dental problems, including dental caries (cavities), periodontal disease, or even an abscess.

1. Dental Caries: The black lines you see on your tooth could be indicative of decay. Cavities can lead to tooth sensitivity and pain, especially if they reach the inner pulp of the tooth. If the decay is extensive, it can cause inflammation and infection, leading to swelling in the surrounding tissues.

2. Periodontal Disease: If the tooth is not the only issue, you might also be experiencing gum disease, which can cause inflammation and swelling in the gums. This condition can lead to the formation of pockets around the teeth, which can become infected and contribute to facial swelling.

3. Dental Abscess: The combination of tooth pain, swelling, and the presence of black lines could suggest a dental abscess, which is a localized infection that can occur at the root of a tooth or in the surrounding gum tissue. An abscess can cause significant swelling and pain, and if left untreated, it can lead to more serious complications.

4. Referred Pain: The discomfort in your left ear and neck may be referred pain from the dental issue. The nerves in the jaw and teeth are closely connected to those in the ear and neck, so pain can sometimes radiate to these areas.

5. Vision Changes: The fact that your left eye appears to be "sinking" and your vision has become blurry is concerning. While this may not be directly related to the dental issue, it could indicate a more serious condition that requires immediate medical attention. Swelling in the face can sometimes affect the surrounding structures, including the eyes.

Given these symptoms, it is crucial to seek dental care as soon as possible. A dentist will be able to perform a thorough examination, possibly including X-rays, to determine the exact cause of your pain and swelling. Treatment may involve filling a cavity, performing a root canal, or even extracting the tooth if it is severely damaged or infected.

In addition to dental treatment, if you experience any worsening of your symptoms, such as increased swelling, fever, or difficulty breathing, you should seek emergency medical care. These could be signs of a more serious infection that requires immediate intervention.

In summary, your symptoms are likely related to a dental issue, and it is essential to consult with a dentist promptly to address the problem and prevent further complications. Taking care of dental health is vital, as untreated issues can lead to more severe health problems, including systemic infections.

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