1. The six keys to normal occlusion;Andrews;Am J Orthod,1972
2. Treatment mechanics for the straight wire appliance;Roth,1985
3. The transition from standard edgewise to preadjusted appliance systems;McLaughlin;J Clin Orthod,1989
4. Biomechanical considerations in sliding mechanics;Nanda,1997
5. Application of bioengineering to clinical orthodontics;Burstone,1985