How rare or common is a sinus infection due to a tooth problem?

Uncommon. The teeth are usually separated from the sinus by bone and a membrane. It is unusual for a tooth infection to spread through both of those barriers, though not impossible. A tooth infection can, however, feel as if it is going into the sinus because the nerves can be closely connected.
Sinus inf & teeth. While it is very common for a sinus infection to cause facial pain or a sensation that feels just like a toothache (if the lower, maxillary sinus are involved; they sit right about the roof of your mouth and teeth), it is quite rare for an infection starting in the tooth (root area) to spread up through the bone to the sinus, but it can happen.

Related Questions

How can I get a correct the diagnosis of sinus infection or dental problem and what specialists do I need to talk to?

Self Evaluation of. Symptoms first -/ is the primary pain dental or are you congested, post nasal drip ... If the dental issue is primary then probably would start off with a dental evaluation / x-rays if you haven't seen a dentist in a while. If its not dental in etiology then a visit to your pcp or ENT would be recommended. Hope this helps. Read more...
See a dentist . A "dental sinus" usually results from a chronic infection in long-lasting necrotic dental pulp (a dead tooth). Dental treatment (e.g. root canal) is the only successful treatment for a "dental sinus". Call a dentist today. Read more...

Is it common to have tooth pain after sinus infection?

Yes. Sinus infections often cause pain in the teeth, especially the upper teeth on the side of the innfection. Read more...
Yes. This is common. You usually have pain in the back upper left and right side teeth. The roots of these teeth are close to your sinuses. Read more...
Sometimes. Sometimes a sinus infection can refer discomfort to some teeth but most times is the opposite, a tooth infection where one of the roots is located inside the sinus cavity can create an infection in your sinuses, your dentist will be able to diagnose it. Read more...
Yes. Upper molars and bicuspids sometimes cuspids w long roots, whose roots are near or adjacent to the maxillary sinuses will be tender to biting pressure and or throb when the sinuses are inflamed. Antibiotics and decongestants will mitigate these symptoms. Read more...
During or after. Yes, upper posterior teeth. However, it tooth pain persists after resolution of sinus infection, it may be primarily a dental problem. If so, see dentist. Read more...

Could wisdom teeth surgery have damaged my sinus? I had a sinus infection for six months afterwards and reoccurring problems ever since.

Yes. Not infrequently, the upper wisdom tooth roots can extend up into the maxillary sinus and you can develop a sinus infection as a result of removal of wisdom tooth. Read more...
Maybe. You should go back to your dentist or oral surgeon to get checked out. If you had upper wisdom teeth taken out, they are close to your sinus. You would most likely be in some pain back in the wisdom tooth area as well. It's best to get the area xrayed to make sure all is well with the extraction site. Hope you feel better! Read more...
Sinus infection. A sinus infection follow a tooth extraction is certainly possible but not as likely with a third molar extraction due to the location of the tooth and proximity to the maxillary sinus. A ct scan could help determine is this is the case but the treatment for the infection would probably follow the same course either way. A ct scan and referral to an ENT would be recommended. Read more...