I have cross bite and every time I open my mouth wide there is a click felt at my right TMJ. What to do? (photo)

My dentist said I had cross bite with a click on right TMJ on opening mouth wide. Also my upper jaw is little protruded. My left upper canine is my milk tooth with an unerrupted tooth present behind it as seen on xray. I ve yellow teeth as well. My milk teeth were white. But permanent teeth grew to be yellowish.I m 28 yrs old. Please guide for proper treatment.

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