need help

I have been getting my wisdom teeth they have shift my teeth in the back i have notice in  the right side in the jaw a small hard ball usually like a marble it hurt when i try to open my mouth wide  alot of time i can barely open my mouth because it goes muscle spasm in the face. also every time i swallow there is a noise in the right ear like a crunching sound i went to the dr. did me an xray and mri tmj but all came normal she told me to go to a denstist .  Please help me what could this be the wisdom teeth, infection or tmj

[Jerome Tsang, DDS]

Its possible you may have an infection in your wisdom teeth.  I'm surprised that the TMJ doctor didn't look for that while he/she was doing your exam.