In the video, a person is seen holding a small dog's mouth open to inspect its teeth. The dog appears to be calm and cooperative as the person carefully examines its teeth. The person's hands are visible in the frame, and they seem to be using a tool to check the dog's teeth. The dog's fur is light-colored, and it has a black nose. The background is not clearly visible, but it appears to be an indoor setting. The person's actions are gentle and careful, indicating that they are likely a veterinarian or a pet owner who is familiar with handling small animals.