A monumental report was released in March 2020 by the National Academy of Sciences, Engineering and Medicine.  It was a consensus study report on the current state of temporomandibular disorders and orofacial pain.  The study was sponsored by the office of the Director of The National Institute of Health and by The National Institute of Dental and Craniofacial Research and is available via the following link:

https://www.nationalacademies.org/our-work/temporomandibular-disorders-tmd-from-research-discoveries-to-clinical-treatment