Oral Hygiene Chews for Medium Dogs-Enzymatic Dental Treats for Daily Oral Care, Cleans Teeth and Freshens Breath, Reduces Plaque, Bacteria and Tartar Build Up Without Brushing-30 ChewsUses: Ora Clens Oral Hygiene Chews help clean your dog's teeth while they chew. These beef hide treats are coated with enzymes that help remove plaque and prevent harmful bacteria from building up. Effective Cleaning: Ora clens Oral Hygiene Chews formula features a blend of the enzymes Lactoperoxidase and Glucose Oxidase, which help prevent plaque and tartar build up as well as promote clean teeth and fresh breath. With the enzymes coated onto the