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.
Other than inter-arch elastics, small rubber bands that are used to surround your braces are called elastic ligatures. These replace wire ligature ties to hold arch wires in the brackets in many applications, and can also be used to apply a force to close spaces within the arches.There are 2 types of elastic ligatures:ther than inter-arch elastics, small rubber bands that are used to surround your braces are called elastic ligatures. These replace wire ligature ties to hold arch wires in the brackets in many applications, and can also be used to apply a force to close spaces within the arches. There are 2 types of elastic ligatures: