Lingual orthodontics in many ways offer the ultimate aestheitc appliance, as the whole system is bonded to the lingual aspect (behind your teeth) of the teeth. After much attention in the 1980s their popularity fell, partly due to the introduction of ceramic brackets, but also due to a number of problems with the appliance. Recent technological improvements and an increased demand for "invisible" appliances have led to a recent increase in interest in lingual orthodontics.
Potential advantages of Lingual orthodontics: Aesthetics, No risk to the labial enamel through decalcification, position of the teeth can be seen more accurately
Potential disadvantages of Lingual orthodontics: Speech alterations, discomfort for you due to obtruction to your tongue, sometimes difficult to eat and it is difficult to clean.