### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
I recently had a root canal done due to my gums being swollen, pain in my mouth that went up to the left side of my nose. My nose was alittle swollen, the dentist injected injected an antibiotic during root canal, the following day I blew my nose when the mucus came out it was thicker then usual and noticed it kind of looked like rubber glue. When looking into my nose I noticed a white patch in there and my nostril looks swollen. I ve recently been on antibiotics for sinus infection after getting Cat Scan and seeing an ear nose and throat doctor, but before all this happened I had pain on the right side of my face in the jawbone area underneath my ear doctors thought it was mastiod, bone infection and turned out not to be. Cat Scan did determine I had mucus and sinusitis. my question iscould the white patch on my nostrils be sinusitisor the antibiotics that the dentist inject in my tooth and gums.

### output:

Dear friend. Thanks for sharing your concern. Your history requires little more clarity, you have mentioned that you got root canal treatment done. This is done to treat a tooth which has involved the pulp and periapical area.  It is not done for gum swelling. The cause for your gum swelling is the abscess, which was due to infected tooth. Your dentist has injected local anesthetic to relieve pain during root canal treatment procedure. Its effect last for few hours only, this will not lead to sinusitis. Please mention which tooth are you talking about ? Is it your upper left side first molar? Here I would like to mention that if this is the tooth on which RCT has been done, then in rare chances it can lead to or astral fistula. The white patch and mucus thicker than usual could be the result of this. For this I would suggest you to revisit your dentist for clinical evaluation. Have you mentioned to your dentist about your recent sinusitis and the antibiotics that you were taking prior to dental treatment? Your pain underneath your ear on right side is not related to this. It could be due to impacted tooth in the lower jaw or a periapical infection on right side, for this you must get a X-ray done to rule out any impaction or infection. . Hope I have answered your query. Thanks. Take care.