Yep, looks like the things a kid would do with a knife..... Get a friggin screwdriver, or, heck, a mini prybar!!!!! They make those.
Knives have blade for a reason. If you notice the thin, pointy part at the end, it's called a tip. It's for fine cutting and piercing. Look at the flat part of a screwdriver now. Look at it, think about it, and compare it to the knife. You might now start seeing the difference, and why.
Unless you want them to look the same in very short order, DON'T PRY WITH A KNIFE!