Preventing bad breath in pets involves brushing their teeth regularly with a cat or dog-specific toothpaste and toothbrush, providing a high-quality diet of dry food and getting regular veterinary exams. Prevent bad breath in pets, which is often caused by periodontal disease, withhealth information from a veterinarian in this free video on pet care. Expert: Dr. Aimee Beger Bio: Dr. Aimee Beger works for McClintock Animal Care Center in Tempe, Ariz. Filmmaker: Ryan Quinn