Especially if you have had a large amount of work done, there's a large possibilities of minor problems that can occur. It would be best to address those first and see if that solves the problem. If it doesn't, then further treatment and examination will be necessary. Hope its simple though!
Thank you so much for your reply. That's a great relief.
If the pain is somewhat bearable and has been steadily improving, I would recommend taking a wait and see approach. If the pain worsens or other symptoms appear, it would be best to go back to your dentist to see whats going on. If you have pain on chewing or eating though, it may be the bite of the crowns that is slightly off and it made require some adjustments.