Diet Sprite vs. Sprite Zero. Difference Between Diet Sprite and Sprite Zero. The Diet Sprite and the Sprite Zero are two distinct variants of the Sprite Soda that have become more popular with people who are on a diet as well as those suffering from sugar problems.
TMD can cause: 1  clicking, popping or grating noises as you chew or move your mouth. 2  muscle pain around the jaw. 3  pain in front of the ear that may spread to the cheek, ear and temple.  difficulty opening the mouth â the jaw may feel tight, as if it is stuck, making eating difficult.
lthough there can be many different causes, one possibility for clicking or twitching (as you call it) in the ears is a condition called Myoclonus. Those three tiny ear bones in your middle ear (the area on the other side of your eardrum) have muscles (the stapedial and tensor tympani muscle) that are attached to them.