A 26-year-old woman comes to the office due to several weeks o | Embryology Videos & Books 2021

A 26-year-old woman comes to the office due to several weeks of pain and muffled hearing in the left ear. She also describes a sensation of jaw clicking when chewing food. The patient has a background history of episodic headaches and left-sided facial pain for several years that are worse when moving the jaw. She also has been told that she grinds her teeth while asleep. On examination, the patient is unable to open her mouth fully and develops pain with passive movement of the jaw. The external auditory canal and tympanic membrane are normal. Rinne and Weber hearing tests are also normal. Left medial pterygoid muscle dysfunction is suspected.