Mine don't get their nails clipped...much to MY regret sometimes, lol, but they need their claws to run up and down the floor-to-ceiling poles they have + when they jump around on the catwalks on the walls.

(I live in a small apartment so I've tried giving them as many exciting ways of moving around here as possible + the catwalks on the walls give them extra space)

They get their teeth checked every 6 months when they're having their general health check.