Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way to Eliminate Bad Dog Breath and Cat Bad Breath - Fights Tartar & Plaque - So Easy, Just Add to Water! Vet Recommended 16 oz.

Have you ever considered a dental supplement for his water? I’ve been using one since my girl got an abscess from a rotting tooth. I use this brand https://a.co/d/05JnMS62 but you can ask your vet. Does he chew on dental bones? Those can help too.