Dear Dr. Reitz: I hear popping sounds in my jaw joint near my ear. Depending on how I move my jaw during eating, my joint will make a sound heard by people around me. I don’t have any pain but the ...

If the high-pitched whine of the dentist’s drill fills you with fear, welcome relief is on the way. Scientists have developed a device which plugs into an MP3 player or mobile phone and uses a ...