(Nylabone) Nylabone Advanced Oral Care Fresh Bars provide dual cleaning action to help clean teeth, reduce tartar, and freshen breath. Crunchy exterior cleans teeth and helps to scrape away plaque and tartar as the dog chews. Soft, chewy middle helps freshen breath and reduce plaque. Nylabone Advanced Oral Care Fresh Bars are scientifically formulated with denta-C to reduce the plaque that harbors bacteria in your dog's mouth. Helps improve the appearance of teeth and gums.