im guessing something like an air blower

any low speed (<2000rpm) handheld rotary tool with a buffing wheel ain't gonna do much. i.e. drills

a palm sander with a soft attachment is basically just an electric toothbrush

compressed air isn't going to hurt your teeth. and leaf blower low pressure air certainly isn't. like the other guy said. same for vacuums.

that's really about it. I was exaggerating a bit for comedic effect when I said "a few", because tbh I didn't think much about it.

oh and of course you can always stick your head in a lathe, lathes are like the super safest tool there is