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Oral Surgery/Sinus perforation

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Question
Hi. I had two root-canaled teeth extracted 2 weeks ago which resulted in sinus perforation on both sides. OS closed both (the right side twice) needed to shave bone too. I was on Amoxicillin 500 for 2 weeks, I was told yesterday that the right side is still open, stitches are left in for another 4 days, little bit infected but was not given more antibiotics 'for now'. My immune system is not the best (Ramsay Hunt Syndrome a year ago).
Shouldn't people with sinus opening stay on antibiotics until 1. It closes 2. At least until the stitches are out? All infection goes straight to the sinus now doesn't it? It could lead to a lingering problem? I'm sorry I'm desperate and considering self - medication with Metronidazole 200 3x1 for 7 days.
In your opinion is it ok / dangerous to stop antibiotics at this stage?
Thank you so much.

Answer
Noemi - If there is a continued perforation to the sinus, it is important to keep the patient on antibiotics until the hole is closed.  It is dangerous to stop and that may allow bacteria to grow in your sinus producing a severe infection.  You doctor should keep you on antibiotics until the hole is closed.

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Joel S. Teig, DMD, Diplomate ABOMS, retired

Expertise

I am a board certified oral and maxillofacial surgeon available to answer questions related to tooth extractions, implant insertion, facial recontruction, facial and oral tumor removal, TMJ dysfunction and various successful treatments, including surgery if all else fails, and occlusal discrepancy requiring orthognathic or jaw surgery.

Experience

Board Certified Oral and Maxillofacial Surgeon practicing for over 20 years. Assistant Clincal Professor at State University School of Dentistry.

Organizations
American Dental Association, American Association of Oral and Maxillofacial Surgeons, American Board of Oral and Maxillofacial Surgeons

Education/Credentials
BA- University of Connecticut DMD-University of Pennsylvania School of Dental Medicine Oral and Maxillofacial Surgical Residency - Roosevelt Hospital, NYC

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