NG

You state: "I didn't realise my sinus pain could be linked to the tooth."
It can actually work both ways. The bone that encases a tooth's roots and also serves as the floor of a sinus can be paper thin. So, if there is an infection in the sinus, it can affect the nerve that runs through this bone and on into a tooth, thus causing tooth pain. Or the reverse, byproducts from an infection emanating from a tooth can spread to the sinus cavity and affect it.

We're not so sure to what degree your dentist will "check" your sinus after your extraction (in terms of evaluating your original complaint). It seems they have found a clear problem with your tooth (an abcess) and that absolutely needs to be taken care of.

Since this problem lies in the region of your sinuses, it makes a logical assumption that it is also the cause of the problem with them. If it is, getting rid of the tooth (the source of the problem) will allow your body to resolve the sinus issue on its own (clear up the remnants of the infection). Only time will tell. It could be possible that another, purely sinus related, problem exists.

Other than that, there is a specific post-extraction sinus check that is routinely done by dentists after any upper back tooth is removed.

As mentioned before, the bone that encases a tooth's roots can be paper thin, and therefore when an upper tooth is removed this bone might be damaged. If so, a hole would exist between the patient's sinuses and their mouth (an oral-antral communication).

Small openings will usually close on their own during healing. With larger ones however, the dentist will want to close up the extraction site snugly so to aid with insuring this.

The way the opening is discovered at the time of the extraction is this: The dentist will hold the patient's nose close and then ask them to gently blow air into their nose. If air escapes via the tooth socket (creates bubbles), the dentist knows an oral antral communication exists.

Not disrupting this fragile bone (whether or not and outright opening exists) is why as a part of post-op instructions patients are told not to blow their nose, and to sneeze with their mouth open (both as a way of preventing excessive pressure in the sinuses, see link above).

Good luck with your procedure. We hope it resolves both of your problems.

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