In the video, a person is seen holding a dog's mouth open with one hand while using a white toothbrush to brush the dog's teeth with the other hand. The dog appears to be cooperative and calm during the process. The person is wearing a white shirt and the background is a plain white wall. The dog has a black and white coat and appears to be of a medium-sized breed. The toothbrush is being moved back and forth across the dog's teeth, and the person's hand is steady, ensuring that the brushing is thorough.