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EDIT; I can't reply to everyone individually but thanks for all the suggestions! Opiates are out of the question, doctors here will only prescribe those in terms of absolutely extreme suffering or end of life care. I also don't particularly feel interested in developing a hard drug habit. Diclofenac and such are available but also only on separate prescriptions, I'd have to visit another doctor for that. I'm well stocked on paracetamol & ibuprofen, and apart from that, lots of ice cream, pudding & soup :)
Also, since a fair few people seem to doubt the veracity of my story, here's the 22 extracted teeth (the other 10 were already gone in previous extractions).
Have you contacted your dentist to see if they will prescribe you something for pain? I had a wisdom tooth pulled yesterday (in the United States) and had the ability to request a pain medication if I needed it.
The handout I was given recommended 500 mg of acetaminophen then three hours later 600 mg of ibuprofen, repeating that throughout day. The last dose of the day (before bed?) taking both 500 mg of acetaminophen and 600 mg of ibuprofen and six hours later start alternating again. You can give this a try but, I am just describing what I was given.
I hope this helps, good luck, and feel better soon.