Life ending organ failure and terminal diseases with attendant hefty vet bills start with bacterias and other infections in the mouth that don't get regularly removed. They eventually spread into the body. These are easy to overlook but also pretty easy to combat. Coconut oil and enzymatic toothpastes work well for this.
Your pet's breath will tell you if you need to attend to their teeth and mouth, and it's important that you do. Bad breath indicates trouble is brewing.e4e4e4e4e4e4e4e4e4e4e4e4e4e4e4e4
(My cat agrees, but she's a bad typist.)