Alright, I *just* started brushing Jackson's teeth a few weeks ago. He's almost 1 1/2 years old. His teeth have always been perfect, no issues (he's still young) but a few weeks ago, I noticed a little spot on the upper canine that looked like a tiny bit of green. I tried scraping it with my finger and it didn't come off. So I sprayed Petzlife on both sides of his mouth... and the next day it was gone! I love that stuff.
I've started a routine of brushing and spraying Petzlife once a week during his bath-time. He HATES me brushing his teeth, but he has gotten sooo much better, and it's a lot easier in the bath. I, too, feel like sometimes I'm not really even "brushing" but I feel like something is better than nothing and since he's still young with no teeth problems... now is the time to start, and hopefully within a few months, I can brush better w/ less problems.
He also chews lots of bully sticks and Himalayan chews and I think that helps with scraping and keep plaque off.