Bad taste coming from recent crown.

I recently had extensive dental work done. 6 extractions, 3 bone grafts and crowns/bridges on all but 2 of my front teeth. all done on 11/10/25. Today is 11/28 and I woke up with the most awful, nauseating taste coming from a crown that came loose a few days ago. it came loose while brushing and I gently pushed it back up with my tongue. It hasn’t moved since but now it’s starting to hurt and the taste/smell of it is the worst thing i’ve ever experienced. My dentist is closed until monday 12/1 is there anything I can do to get this terrible taste out of my mouth?