helloo...read thru ur query..accordingly i must say that its just a usual thing to develop oro antral fistula(communication between oral cavity and maxillary sinus)after extraction of maxillary molar teeth..dentist cannot be blamed as the root of ur tooth is long and it might have been in the sinus floor..so while extracting the tooth the communication has been created..nothing to be worried in this case..it heals in due course of time..but you have to follow certain things like dont use straw while drinking dont bite with that area..sometimes blood may come from nose on over exertion(nothing to be worried)be cool and calm..get regular followup and can undergo surgical closure(its just a minor surgery)not a big surgery..besides all these stay calm..dont panic..happiness is the medicine for all diseases...hope ur benefitted something from this reply..have a healthy day!!!

Thanks for using Health Care magic.

Read your query.

Oroantral fistula closure is very important to avoid food and saliva contamination that could lead to bacterial infection, impaired healing and chronic sinusitis. It usually happens when the root of the molar is extended in the sinus or is pushed in the sinus area. The treatment is done taken in consideration the width, epithelialization and presence or absence of infections.

I would advice that is the fistula is less than 3mm ,it usually heals spontaneously in the absence of any infections. If in your case the defect is more than this ,it will require further treatment using flaps which will be best decided by your surgeon.

Please consult your surgeon and go ahead with the treatment.

Hope this was helpful.
Thanks and regards.

Thanks for using Health Care magic.

Read your query.

Oroantral fistula closure is very important to avoid food and saliva contamination that could lead to bacterial infection, impaired healing and chronic sinusitis. It usually happens when the root of the molar is extended in the sinus or is pushed in the sinus area. The treatment is done taken in consideration the width, epithelialization and presence or absence of infections.

I would advice that is the fistula is less than 3mm ,it usually heals spontaneously in the absence of any infections. If in your case the defect is more than this ,it will require further treatment using flaps which will be best decided by your surgeon.

Please consult your surgeon and go ahead with the treatment.

Hope this was helpful.
Thanks and regards.