I have a beardie that was a rescue. He apparently was purchased by someone and then got ick in the mouth, was taken back to pet store and was treated by a vet and then we adopted him. He has continue to have somewhat of a crusty chin and edge of his mouth. The inside of his mouth looks fine. He has a great appetite, has his basking light and uvb, calcium supplements in food, daily sunlight, etc. he is one of four beardies we have had for years. Our personal beardies have never been ill so trying to figure out if this is common leftovers or should I be concerned and take a trip to the vet.
You can see the end of his nose/ mouth is somewhat off and the back part of his mouth is a little red and directly under it , its crusty