In the video, a person is holding a dog's mouth open and brushing its teeth. The dog appears to be calm and cooperative as the person carefully cleans its teeth. The person is using a toothbrush and toothpaste to ensure that the dog's teeth are thoroughly cleaned. The dog's teeth are white and healthy-looking, and the person is taking their time to make sure that every tooth is brushed. The video provides a close-up view of the dog's mouth, allowing viewers to see the brushing process in detail. Overall, the video is a helpful demonstration of how to properly brush a dog's teeth and maintain their oral hygiene.