I've switched entirely to glass straws, they are a huge upgrade from plastic. No sharp edges like plastic, won't collapse if you want to suck up something firm like a milkshake, takes up less storage since I only need to keep a handful around to cover various sizes. And they look much, much better to boot. Can't say I've had any issues with them clanking on my teeth, but I use straws for sipping, not chewing on.