Merial Oravet Dental Hygiene Chew for Medium Dogs (25-50 lbs), Dental Treats for Dogs, 14 Count DENTAL TREATS FOR DOGS: Oravet dental treats for dogs is a dog dental chew that prevents bacterial attachment. DOG DENTAL TREATS THAT REDUCE PLAQUE: Oravet dental hygeine chews for dogs reduce plaque, calculus and halitosis at the source. OraVet Dental Hygiene Chews also break down existing plaque and then effectively remove plaque and calculus through mechanical action. DOG TEETH CLEANING TREATS: Each Oravet dental chew releases delmopinol HIC, an ingredient that coats the teeth, tongue and gingiva to create a protective barrier against the bacteria that cause bad breath and are the basis for plaque. DENTAL CHEWS FOR COMPLETE DOG ORAL HEALTH: OraVet Dental Hygiene Chew should be given as directed by your veterinarian as part of your dog's complete preventive oral health care regimen. FRESH BREATH FOR YOUR DOG: Always monitor your dog until the Oravet chew is fully consumed. Chews are intended for dogs six months of age and older. OraVet contains ingredients that include Chloraphyl, parsley flakes and alfalfa that may cause changes to you dogs stools.