Since your teeth, especially the ones in the back upper area of your mouth, are very near your sinuses, tooth pain (or pain in the facial region) may be a symptom that is common for a sinus infection.
This can happen the other way around too, and if you’ve recently had a rootcanal treatment done on your teeth, you may have symptoms of sinusitis. The only way to make a differential diagnosis is to check with your doctor, and then get the treatment you need. In several cases, when an infection is still present in the tooth in which a root canal procedure was done, a patient will experience some pain in the sinus areas too.
Sinuses are hollow cavities that are connected to each other, located in the skull. In the cheekbones, the maxillary sinuses are located, and these are the largest ones. The frontal sinuses exist in the lower part of the centre of the forehead. The ethmoid sinuses are located between the eyes. Behind the nose are bones which hold the sphenoid sinuses. Sinuses are lined with mucosa, a soft pink tissue, and sinuses are normally empty, save for a thin mucus layer.
The internal structure of the nose has ridges known as turbinates. The purpose of these is to humidify and filter air. The septum, a thin wall, divides the nose, and sinuses drain into the nose. They can do this via a tiny channel, which acts as a pathway for drainage of air. Sinus cavities can get infected and different types of sinus infections prevail, depending on the part infected. Sinusitis of the acute kind occurs when viruses, bacteria, or fungi infect the sinus cavity.
This causes inflammation, more mucus, congestion in the nasal cavity, cheek discomfort, as well as discomfort in the eyes and forehead. Headaches are common symptoms too, and this is the most regularly occurring sinus infection. Some people are affected by chronic sinus infections, and these tend to persist wherein the sinuses get inflamed over a long time. Over time, due to chronic problems, polyps may also form in the sinuses. A person may get hay fever when pollen or dust mites affect the sinuses, and severe sinus infections can be detected by scans and imaging.
Sinus infection treatment is usually done with the help of antibiotic medication in the case of bacterial infections. Antihistamines are recommended for allergy-related sinus infections like hay fever. For nasal congestion that occurs in most kinds of sinus infections, decongestants are suggested to bring some relief.
They cause the inner blood vessels in the nasal cavity to constrict, leading to reduced congestion and mucus collection. Nasal sprays of saline are also helpful as they break up mucus that has dried in the nose. Steroid sprays are prescribed in more serious infections, to bring the swelling and inflammation down. Nasal polyps, which are growths, are removed surgically.
When a tooth gets badly decayed by infection, the only treatment to save the tooth from further destruction is to get a root canal treatment done. The pulp and nerves of teeth may get infected, causing inflammation due to deep decay. This happens due to repeated fillings of cavities in teeth, cracks in teeth, or large crevices in teeth.
In a root canal treatment procedure, a local anaesthetic is given to numb the area to be worked on. The infected nerve and pulp of the tooth are removed, after which the inside of the tooth is cleaned and filled. After a week or two, a cap or crown is affixed on the sealed tooth to ensure that it remains strong. A week before a root canal procedure is done, a dentist may prescribe antibiotics to reduce the infection that has affected the tooth. Without treatment, the tissue around the tooth may get damaged.
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