Sources:
Those canines are “primarily used to chew up wood and other tough foods” as per one of the articles, but male adult camels may also use those to bite opponents when fighting with each other for territory / mates.
“Someone once described them as a Sarlacc pit from Star Wars” … definitely a fitting description.
Here is a video of an angry camels open mounth and unclipped teeth; https://www.youtube.com/shorts/whsdxuAy37Y … it is VERY ugly tho, view at your own discretion.
I’ve seen camels eat cacti before, but it doesn’t make it easier to watch them do it. They don’t seem to mind much though. Perhaps it’s like a chili or wasabi to them.