Oops! I re read your post and you want to know how bad is bad breath? I think that as a baseline sniff test your kitty's breath when his/her vet has given a clean bill of health & use your scent memory to gauge from then on. I do know that a kitty/dog with dental issues has repulsive breath ( as...
As Sharky has already said take kitty to the vet & have her checked for a uti.
Please don't try any home remedy treatments ( cider vinegar ) without a vets supervision. You can also try Dr Elesys cat attract litter ( red square shaped bag ) this litter really lures kitty to the cat box.
Some of the seeds do slip thru the screen on the felinepine cat box, but it's still works. Have tweaked a few other boxes ( very large morter/ cement tubs stacked w/holes drilled )
to accommodate her old diabetic kitty. The morter/cement tubs can be found @ Lowes/Home Depot for about $ 5.00 for...
Yes, I made a variation of the SCB for my friends cat, ez to test urine without any drama for the cat. The dremel is not a drill, it's a multi tasking small hand tool, that has many options ( bits ) for grinding/cutting/polishing.
Clean wet sanitized seeds put into a mesh laundry bag can go in your regular dryer on low. If you have or can borrow a Dremel the slots would be ez to do on your homemade SCB. Felinepine has a cat litter box that could work w/safflower seed litter. Safflower seeds will sprout if left damp, so...
He is young & has a lot of energy, try using a da bird wand toy to get some of that jumping/leaping that he needs without harming you. You may also want to look into nail caps for him, they will help prevent further scratches.