The time zones known as Greenwich Mean Time and the International Date Line are sometimes alternatively used to demark the western from eastern hemispheres, but the would not be true hemispheres as those time zones are not straight longitudes.
The final part of braces are interarch rubber bands, which are used to adjust bite and jaw position. These are connected to the brackets with hooks, often connecting the top tooth bracket with the bottom tooth bracket to help adjust the position of the teeth in the mouth and the position of the jaw.
6) If you wear the brace loosely, it will move around and cause more skin problems by rubbing. WEAR YOUR BRACE AS TIGHTLY AS POSSIBLE. If there is skin breakdown (sore, red or raw skin) the brace must not be reapplied until the skin heals-one day or more. If this happens, call your orthotist.