The cost of material is only smaller part of the price. High price has more to do with the imbalance between the supply and demand. Supply growth is limited by

The cost of material is only smaller part of the price. High price has more to do with the imbalance between the supply and demand. Supply growth is limited by the number of orthodontists. This is due to the fact that every orthodontic treatment requires human expert to oversee and manage it. SmileDirectClub is trying to disprove this last assumption, and we still have to see if they manage it.