I've had almost all my plates removed,: the ones under the nose and the ones under the cheeks. It improved the width issue a tiny bit, mostly while animating (though I could see them a little while talking in the mirror - they were prominent). If they're fairly prominent right under the nose, just do it. I'm glad I did, even though my nose is still a touch too wide. It's a really easy procedure and the swelling lasts about a week - no pain at all.