Many a times the orthodontist
advises you to wear some rubber bands. These are called elastics
and are meant to deliver forces on the teeth to move them to the
desired position.
The orthodontist would
advice you on how to wear them.
They are to be removed
while eating and replaced with new ones.
Many orthodontists
advice fresh elastics every 24 hours.
The elastics come
in various sizes and you should wear the ones prescribed by the
dentist.
Do not be over enthusiastic
and wear more number of elastics. This can harm the teeth. Your
orthodontist knows what is best for you.
You can ask the orthodontist
for flavored rubber bands.