Her saliva combines with her food as she chews, and some bits of food debris get stuck to her teeth and gums. (vetinfo.com)
This will physically removes food debris and plaque, massages the gums to keep them healthy, and decreases bad breath in dogs. (dogplaqueremovaltips.com)
As this slow cooker is black, so it's hard to see baked - on food debris. (idealhome.co.uk)