OH Bowl The worlds first Oral Health Bowl for dogs. Daily pet dental care that fits into your life! Did you know 80% of bacteria in your pets mouth is not on the teeth? So cleaning the dogs tongue supports reducing disease causing bacteria, leading to healthier teeth and gums, and fresher breath. The Oral Health Bowl is a vet developed product designed to encourage your pet to lick across the raised rubber scraping faces to help clean bacteria off the tongue at the end of a meal.