[header] How to clean your dog's toothbrush [title] Use a separate toothbrush for each dog. [step] After brushing your dog's teeth, rinse the toothbrush under warm water. Remove any toothpaste, food particles, and debris from the toothbrush with your thumb. 
You can also use a toothpick to remove smaller particles. [title] Rinse the toothbrush after each use.