Small holes on the roof of my mouth

Patient: Sir i have sinus and from 15 days i found that i have two small holes on the roof of my mouth, exactly between the soft palata and hard palata and i have no pain or any type of problem and there is no air or liquid passing from that hole. recently i showed this problem to my ent and he says that it is nothing but the holes are still there. please help me and sorry for my bad english.