The jaws of an adult dog can cause significantly more pain than puppy teeth, and adult dogs can inadvertently cause injury while mouthing. Mouthing is often.
In reality, there aren't many differences between how we train mouthing and nipping in a puppy vs. an adult dog. The difference lies in how easily and quickly .
Mouthing, Nipping and Play Biting in Adult Dogs. Nipping and mouthing can be annoying and even frightening when done by an adult dog.
Even though nipping during the development stage of any dog is normal, mouthing in adult dogs is a serious issue that can be very dangerous. The root of this.
Mouthy dogs routinely grab at people using their mouths without causing injury. This often happens during play, exercise, and whenever they are overexcited.