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'Sinus' or 'Tooth Declay' Which Cause of Toothache ?

July 10 / 2025

tooth pain and sinus

 

 

 

 

 

     Have you ever suddenly felt a pulsating toothache despite maintaining good oral hygiene and brushing regularly? Many people assume that tooth pain is caused solely by dental or gum issues. However, did you know that a toothache may also be a warning sign of other underlying health conditions?

 

 

 

 

 

Sinusitis: An Unexpected Cause of Tooth Pain

     One possible cause of a toothache is sinusitis, an inflammation of the sinus cavities located around the eyes, nose, and cheekbones. When these sinuses become inflamed, it can result in various symptoms such as nasal congestion, runny nose, coughing, sore throat, and headaches. In some cases, the headache can be so intense that it feels like a toothache.

 

 


Therefore, if you are experiencing unexplained tooth pain, it is advisable to observe whether you also have other symptoms of sinusitis, such as nasal congestion, a runny nose, coughing, sore throat, or headache. If these symptoms are present, you should consult a physician for a proper diagnosis and treatment.

 

 

 

 

toothache and sinus

 

 

 

The Difference Between Toothache Caused by Dental Issues and Sinusitis

Toothache from Dental Issues:

  • Pain is localized and can be pinpointed to a specific tooth, often due to decay or gum inflammation.
  • Pain worsens when lying down, particularly at night.
  • Sharp, throbbing pain that intensifies with hot or cold foods.
  • Usually occurs without accompanying symptoms.
  • Oral examination may reveal cavities, gum disease, or other dental problems.

 

Toothache from Sinusitis:

  • Pain typically occurs in the upper molars and may radiate toward the front teeth or lower jaw. It’s difficult to identify the exact tooth, and the pain is often felt across a broader area.
  • Pain intensifies with movement such as walking, running, jumping, bending forward, or leaning the head down.
  • A dull, pressing sensation may extend to the upper cheeks.
  • Often preceded by cold or flu-like symptoms, including fever, lasting 1–2 weeks before the toothache begins.
  • Dental examination usually shows no abnormalities.

 

When Should You See A Specialist?

     If you experience a toothache, it is important to see a dentist to determine the cause. If a dental examination reveals no oral abnormalities, the dentist may recommend an X-ray to examine the sinuses for inflammation.

 

Once it is confirmed that the toothache is caused by sinusitis, the most effective treatment is to consult an ENT (Ear, Nose, and Throat) specialist for appropriate management. Treating the sinusitis will gradually relieve the tooth pain as well.

 

Read More: Full House FESS (Functional Endoscopic Sinus Surgery)