Originally Posted by Maelochs

Is the chain skipping? Every chain ring will need to be replaced eventually if it is used .... (as in, "put to use, ' not "purchased from a prior user,") so yes, in time, it will need replacement. I wouldn't replace a chain ring if it was still performing well, though. If the chain skips off or slips ... get a new right, right away.

Of course, I could be wrong.

Originally Posted by cyccommute

No. The teeth aren’t supposed to be the same all the way around. Some of the teeth will look flatter than the others but that is a design feature that improves shifting. Your chainring looks fairly fresh and serviceable.