I notice the Ti-Grids™ come in two configurations, one with an external “Placement Ring”. What is the purpose of this ring?
The Ti-Grids are most suitable for those cases where a very low-profile bracket with a near-vertical traction force is required. The ring has been added to facilitate placement of the bracket. The ring enables the grid to be easily grasped and manipulated by placement instruments. What is the purpose of the “Swivel™ Bracket?” The swivel bracket is a versatile, sturdy bracket that is best used where the vector of force is greater than 15 degrees from vertical. This type of bracket is most resistant to the applied shearing forces.