Can a Sinus Infection Cause Tooth Pain?

Author: JM S Morales
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A sinus infection can cause tooth pain.

More Info: Sinusitis may be a cause of dental pain, in the same way that dental pain is a symptom of sinus infection.

What Is a Sinus Toothache?

A sinus toothache is dental pain caused by a sinus infection. This pain around the teeth is the result of the infection of the top sinuses, wherein the sinuses filled with fluid cause pressure on the area just above the back teeth, thus causing them to feel pain. It may also cause sensitivity in the upper back teeth are that can be experienced when chewing or applying pressure on the said area of the teeth. [1]

Conversely, sinus infections can also result from dental sources, particularly an infection in the maxillary back teeth roots, which are located in the sinus cavity. Studies show that ten percent of all sinus infections are caused by a dental source. [2]

What Is A Sinus Infection or Sinusitis?

A sinus infection, also known as sinusitis, commonly refers to an acute bacterial infection of the sinus cavities. When sinus infections are caused by bacterial infection, this leads to the collection of mucus in the sinuses, which become inflamed and congested.  Bacterial sinus infections last for at least ten days. [3] Sinus infections can also be caused by allergies, chemical irritations, mechanical obstructions, or an infection in the maxillary tooth. [4]

The Location of the Infected Sinus Determines the Symptoms

There are four cavities known as paranasal sinuses that can become infected to cause sinusitis.  They all share a few common symptoms, but often the pain associated with the infection is limited to the location of the infected sinuses.  For example, an infection in the frontal sinus will cause pain in the forehead where the sinus is located.  An infection of the ethmoid will often cause pain around the eyes.  The pain associated with the sphenoid sinuses could involve your neck and earaches. In the case of tooth pain, the sinus infection is likely to be in the maxillary sinus, which is located in the cheekbone. [5]

How to Determine if Sinus Infection is Cause of Tooth Pain

A sinus infection is not the only reason for dental pain, therefore it is important for doctors to assess the history of the patient regarding sinus infections, perform exams on the dental bone to determine the source of the pain, and actually treat the sinus infection to either rule it out or conclude that it is the cause of the said tooth pain.  [6]


Works Cited

[1][4] Dentistry Today, Jacobsen, PhD, DDS, Peter L., and Angelle M. Casagrande, DDS, MD.
Sinusitis As a Source of Dental Pain

[2] Oral and Maxillofacial Surgery Knowledge Update, Rogerson K
Microbiology of the Maxillary Antrum: Treatment of Infections
1994, Volume: 1, pages: 49-59

[3] American Academy of Otolaryngology-Head and Neck Surgery

[5] National Institute of Allergies and Infectious Diseases
What Are the Symptoms of Sinusitis?

[6] Peterson, Dr. Dan
Sinus Headaches and Dental Health

purplearrowExpert Opinion

Quote:  "In a way, the nerves that bring pain sensations from the sinus area and teeth to the brain -- since they are all branches of the same nerve -- are like my old bubble light string. Often you can't immediately tell if the pain originated from a specific tooth or even from a sinus infection. We doctors make an educated guess based upon where the pain is most intense, what makes it worse, what makes it better, and any additional symptoms such as nasal congestion. In clear-cut cases the educated guess is accurate, and appropriate treatment is instituted. A person suffering from a dental infection is referred to a dentist. Pain from a sinus infection is cleared with an antibiotic and other medicines. In your case, however, the symptoms you reported and your doctor's observations didn't lead to a correct first guess. "

Source: John C. Wolf, D.O.Associate Professor of Family Medicine Ohio University College of Osteopathic Medicine.


purplearrowExpert Opinion

Quote: "As air rises it cools and decreases pressure, spreading out. Clouds form when the air cools below the dewpoint, and the air can not hold as much water vapor. "

SourceClouds and How They Form  UCAR NCAR Science Education

Quote: "So, how does a cloud hold water? First of all, the droplets of water are very very small, smaller than the head of a pin. Because they are so small they are easily kept up by the rising air. So the reason that clouds can hold water droplets is because the air in clouds is rising, and the rising air keeps pushing the water droplets up."

Source:  How Can Clouds Hold Water or Snow?  UCSB Science Line

purple arrowCite this Article

"Can a Sinus Infection Cause Tooth Pain?." Sophisticated Edge. N.p., n.d. Web. . <>.  

The information on this Web site is designed for educational purposes only. It is not intended to be a substitute for informed medical advice or care. You should not use this information to treat or diagnose any health problems or illnesses without consulting a physician. It is not meant to take the place of health care or services you may need. Please consult a physician with any questions you may have regarding your health.

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