Yes periodontal disease is deadly in dogs if not treated and allowed to progress.
The periodontal disease can lead to problems with the dogs kidneys and liver which leads to kidney and liver failure which is what eventually kills the dog if not treated.
You can prevent periodontal disease by having the dogs teeth professionally cleaned by a vet and brushing the dogs teeth with some baking soda at home.
A vet can also treat the periodontal disease and cure the periodontal disease if caught and treated in time.
To have a vet professionally treat periodontal disease in dogs can cost from $400.00 to $1,500.00 depending on how severe the periodontal disease has progressed.
Periodontal Disease in dogs is preventable with regular dental cleanings of the dogs teeth and keeping the dogs mouth as clean as possible
Your dogs vet should check the dogs teeth at every vet checkup visit.
A dog teeth cleaning from a vet costs from $100.00 to $300.00 for a professional dog teeth cleaning.
You can also help prevent periodontal disease in dogs by regularly brushing your dogs teeth with some baking soda and adding a little bit of Apple Cider Vinegar to the dogs water bowl.
The Apple Cider Vinegar is antibacterial which will naturally kill off bacteria in your dogs mouth that leads to periodontal disease in dogs.