Thanks for putting up your question on Just Answer.
If you got 6 teeth extracted on 24th June, how was a denture made so soon? The usual wait time for the extraction sockets to heal before an impression can be made in 6 weeks, which sometimes goes to 8 weeks !
That itself is the first error. The denture is causing pressure on the extraction wounds causing the pain and discomfort. Your body i barely started to recover from the trauma of having 6 teeth extracted on a single day (this is also not advisable), and it has now also got to deal with a fairly large foreign object in the mouth as well.
Let me say this very clearly, STOP using this denture. For at least 6 weeks untill your mouth completely heals. There is no way things will get better if you keep using it now.
Please see another dentist ASAP. Preferably an Oral Surgeon first, to evaluate the extraction sockets. You will need prescription antibiotics and painkillers.
For now, switch between taking 400 milligrams of ibuprofen (e.g., 2 tablets of Advil), and 1000 milligrams of acetaminophen (e.g., 2 tablets of extra-strength Tylenol) every 3 hours. Be careful not to use these medications if you have had previous adverse reactions to either, or if you have had gastritis or peptic ulcer disease in the past, or if you have liver disease.
Your ear pain, though, could be coincidental . Please see an Ear specialist after you do the things i have listed above.
Hope this answers your question. Feel free to contact me again for more information. Please leave a positive rating for me if this answer has helped you. I do not get credit for it otherwise.
Good Luck !