I had 4 dental implants placed 12/10/13 for an all on 4. All teeth will be loaded on the 4 implants. 2 canine teeth were extracted the same day implants and temporary were placed. I had continual sinus pain, and throbbing, and kept complaining. Dental office had prescribed 3 z packs, and 1, 5 day course of doxy. Would not prescribe anymore, even though throbbing continued. I sought treatment from sinus doc, who then ordered a new ct scan, I fed exed copy to dental office. They then realized they penetrated my sinus cavity on right side. Redid 2 right implants with shorter wider implants. Problem that continues is throbbing and I also have blisters that recess towards my sinuses while on antibiotics, and then directly return off of antibiotics. Nobody seems to be able to diagnose the blisters. Help! I think oral/nasal communication, I.e. fistula(s) but do not know how to get a dentist, oral surgeon, etc to understand what I feel thatI have without allowing the whole infection to return. I'm scared. I'm in pain. Oh, I also have crohns so immune compromised. Dentist was aware of this prior to implant placement.