While having quite some TMJ problems I developed a hearing loss 2 weeks ago. Since the ENT doesn't know anything about it when questioned I started looking. Don't know if it is temporary but let's hope this paper gives some people more insight.
Signs and Symptoms of Temporomandibular Joint Disorders Related to the Degree of Mouth Opening and Hearing Loss Panagiotis Kitsoulis1*, Aikaterini Marini2 , Kalliopi Iliou3 , Vasiliki Galani4 , Aristides Zimpis5 , Panagiotis Kanavaros6 and Georgios Paraskevas - 2011
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3117795/pdf/1472-6815-11-5.pdf
Signs and Symptoms of Temporomandibular Joint Disorders Related to the Degree of Mouth Opening and Hearing Loss Panagiotis Kitsoulis1*, Aikaterini Marini2 , Kalliopi Iliou3 , Vasiliki Galani4 , Aristides Zimpis5 , Panagiotis Kanavaros6 and Georgios Paraskevas - 2011
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3117795/pdf/1472-6815-11-5.pdf