I'm glad you posted this. I had no idea they had that kind of hardwareLFs don't have traditional teeth, per se. They're more like metal press shears. Check out a CAT scan of a LF head.
View attachment 1258786
My LF bites through 9" crayfish like they were warm butter. This species could, in all likelihood, take off a finger clean without you noticing at first. I've seen mine bite 6" shiners in half and the front half continued swimming (after a fashion).