Filou is so lucky to have a mom that is as caring as you!!! We have a kidney kitty that probably had her teeth cleaned for the last time, because she, like your boy, would not survive the anesthesia. I wonder if the struggle would be worth upseting Filou(and you, too). Would he let you rub his gums with a cotten ball soak in chicken broth?? I am a bit jealous that he gets fluids only weekly!! I give the girls fluids three times a week!!! And Molly, like your boy, loves the renal diet from Royal Canin!! GOOD LUCK!