Work with braces: part 1. Friction and biomechanics

- What is the best bracket? Is there an ideal bracket?
- Friction in Orthodontics.
- Our concept about Friction Selection Control tooth-by-tooth.
- Classics and new alloys: Thermal NiTi. TMA. Gummetal.
- Expansion or extraction?
- Biomechanics.
- Alignment: objectives, diagnostic criteria, arch wires and clinical biomechanics.