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TMJ and the Ear

Timothy C. Hain, MD   Page last modified: December 17, 2016

See also: Dizziness and dental work

TMJ stands for the temporomandibular joint. The TMJ is located just below the Eustachian tube. TMD stands for temporomandicular dysfunction. It basically means something is off with the TMJ.

Location of the Eustachian Tube. The TMJ is just below the ear and ET tube.

Because the TMJ is a joint, it can become arthritic. Because people use it all the time (to talk and eat), arthritis is very common. Because it is close to the ear, pain in the TMJ can feel as if it is coming from the ear.

With all of that background aside, the TMJ is blamed for an immense number of human ailments. One dentist, apparently trying to drum up business, sent me a circular claiming that TMJ causes:

Supposed consequences of TMJ

Some of these are reasonable -- jaw joint aching for example. Some are implausible. I have also been contacted by a group of dentists who were upset that I questioned the association between TMJ and a myriad of other symptoms. I asked them for data in the form of peer reviewed publications. These were not provided, but this probably reflects the lack of diligence of these dentists rather than a lack of data, as Pubmed has large numbers of papers, largely written by dentists, concerning the association between TMD(TMJ) and many ear complaints.



Pubmed has more than 500 papers on the association between TMJ and various otologic problems. Salvetti et al (2006) commented that "Unfortunately, methodological weaknesses of most studies are evident so that the comparison of results is often difficult."

Cox (2008) investigated ear related symptoms in persons with TMD (temporomandibular dysfunction - -same as TMJ). He reported much higher occurrence of the following symptoms:

Symptom Relative Risk
warm and/or fluid sensation 38
stuffy 14
loud noise sensitivity 6.2
pressure or fullness 6.2
cold air/wind sensitivity 4.4
brief dizziness spells 3.5
ringing or other noises (tinnitus) 2.8
muffled hearing 2.4

Similar to Cox, Lee et al (2016) reported a 2.73 increased hazard ratio for tinnitus in TMD patients. Akhter et al found even higher odds ratios in Japanese young adults. So the association with tinnitus is probably real. Fullness was also found by Porto de Toledo et al (2016) to be associated with TMD.

Some of these symptoms could simply be related to focusing of attention on the painful ear. If one's ear is hurting, it seems reasonable to also start to pay more attention to symptoms that might be due to the ear - -such as ringing, dizziness, or pressure. These symptoms could also be caused by the TMD.

Regarding dizziness, Porto de Toledo et al (2016) also reported vertigo in 40.8%. It seems very unlikely to us, however, that any substantial dizziness is caused by TMJ/TMD, and it also seems highly unlikely to us that TMD causes any organic changes in auditory processing. Rather, we think that this association is probably psychological in origin, and related to a redirection of attention.

Concerning hearing loss, Effat (2016) reported an association 104 TMJ patients with 110 control patients. Amazingly enough, "Twenty-five per cent of unilateral or bilateral temporomandibular disorder patients had either unilateral (ipsilateral) or bilateral hearing loss; respectively, which was usually mild (p = 0.001). Hearing loss was predominantly sensorineural." Porto de Toledo et al (2016) also reported hearing loss in 39%. We find this data amazing, and would wonder if there might be a confounding variable.


There is an amazing repertoire of treatments for TMJ -- dental appliances, orthodontic work, physical therapy, surgery, botox injections. A common feature of most of these treatments seems to be that they are expensive. A rather simple "bite guard", often provided by dentists -- costs about $300-500 in Chicago. MRI or CT of the TMJ, followed by orthodontic appliances is at least an order of magnitude more expensive. We have heard many times of a local dentist who performs a series of expensive x-rays, fits patients with a very expensive appliance, and is sad when it doesn't work.

Some of these treatments that do seem to help -- for example,

On the other hand:

Bottom line:

Be careful when you see TMJ specialists - -get a second opinion.


Copyright December 17, 2016 , Timothy C. Hain, M.D. All rights reserved. Last saved on December 17, 2016