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Online Lectures

2011 NESO Annual Meeting - Self-Ligation vs. Conventional Ligation: What Difference Does It Make?

Credits: None available.

Standard: $75.00
Members: $30.00
Residents: $0.00
Staff Club: $0.00
CE Passport: $0.00
Distance Learning: $0.00


In an attempt to study orthodontic force systems of fixed appliances, a research team at the University of Alberta in Edmonton Canada, composed of two orthodontists, four mechanical engineers and a computer engineer, with Dr. Badawi as the principal investigator, built the Orthodontic Simulator. This apparatus (for the first time in the history of orthodontics) measures the forces applied on all the teeth in the dental arch simultaneously in 3D. Dr. Badawi will outline the method used to build the Orthodontic Simulator. He will also present the findings of some of their experiments comparing the different ligation methods. He will then present biomechanical theoretical analysis in an attempt to explain these findings. Clinical examples will follow to outline the strengths of low friction mechanics and the best methods to maximize the use of those strengths.

Learning Objectives:

  • Understand the significance, limitations and plans for future research of the OSiM (Orthodontic Simulator).
  • Understand the biomechanical difference between high friction mechanics and low friction mechanics.
  • Understand how to apply this new knowledge to clinical practice.



  • 1.50 - CE

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