Very detailed! Well-done
A few important clinical correlates of these muscles would be:
Tetanus: Caused by Clostridium tetani. Presents with what is called the "lockjaw". The person is unable to open the mouth due to spasms of the masseter.
Tetany: Caused usually by hypoglycemia and presents with muscle spasms
Temporomandibular joint syndrome: A collection of disorders associated with the most important functional joint in the jaw.
Muchas gracias por tu aporte @draysax