A.Oral health expert
The roots of some teeth lie close to the maxillary sinus and it is possible for the infection to spread to other spaces via the sinus. Why are you only seeing the dentist in November if you had seen him in July? If you are doing a root canal it could have been done a long time ago. My suggestion is to see your dentist IMMEDIATELY and not wait for November. You should not leave an abscess unattended.
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