In the video, a person wearing blue gloves is seen performing a procedure on a dog's mouth. The person is using a tool to cut the dog's mouth, and then they use a syringe to inject something into the dog's mouth. The dog appears to be calm and cooperative throughout the procedure. The person's movements are precise and careful, indicating that they are likely a professional. The video provides a close-up view of the procedure, allowing viewers to see the details of the tool and the injection process. Overall, the video appears to be a demonstration of a common veterinary procedure.