Hi, does anyone know why my dog is doing this? I unfortunately can’t upload a video but she has been licking the air for a few days now, not constantly. I have only just noticed this on her gum. I will send the vet the video I have in the morning of her licking the air and of the attached photos, but wondered if anyone had any ideas of what it might be? It is flat. She is eating ok, a little quieter than normal. Thank you. Unfortunately you have to zoom in to see the mark, I couldn’t upload a close up. She has to be sedated to go to the vets as she gets so anxious so I’m hoping the vet may be able to diagnose from the photo. Thank you for any advice.