I think the long skinny sticks that Sakura mentioned are called N-Bones. The CET treats are more like a slightly crumbly biscuit--they resemble a piece of gauze. I've used them with one of my cats, Odo, but I'm not consistent about giving them daily. My other cat, Zek, won't touch them but likes toothpaste. Zekkie will hop up on the bathroom counter at night to have his teeth brushed. I started by finding a toothpaste he likes (CET makes some good ones in several flavors) and offering him a little on my finger. Then I started offering it on the brush. I would then touch his cheeks before or while offering him the toothpaste on the brush. Now, I let him lick the toothpaste off the brush and then I use the brush to actually brush his teeth. Sometimes I give him a little more toothpaste when we're done since he likes it and it serves as a treat.