All you need to know about jaw popping
Last reviewed Wed 1 November 2017
By Jayne Leonard
Reviewed by Daniel Murrell, MD
Jaw popping refers to a clicking sound from the jaw, which can be accompanied by sensations of pain.
Sometimes jaw popping can arise from overextending the jaw, such as by opening the mouth too wide when yawning or eating. At other times, it results from problems in the functioning of the temporomandibular joints or the joints that connect the jawbone to the sides of the skull.
Dysfunction of these joints is known as temporomandibular disorder (TMD) or temporomandibular joint disorder (TMJD), although the condition may be incorrectly referred to as TMJ.
https://www.medicalnewstoday.com/articles/319888.php