I visited a dentist who reached the conclusion (
after taking an xray) that my
wisdom tooth MAY be the reason of all this, because it has an abnormal direction, pushing the other teeth.
Another dentist told me that since my wisdom tooth has not surfaced yet (it is only visible on the xray) he thinks it is unlikely that the wisdom tooth is related to the jaw pain.
However, my dentist scheduled me a surgery in a week from now, to remove the wisdom tooth and see whether my condition improves.