Bondable Bracket Ztdental: Bracket Slot: It is made by powder metallurgy Injection Molding technique, with a good smooth surface, accurate torques and high precision, but do not need the welding and cleaning process. Bracket Hooks: casting together with the bracket wing, with greater retention (combining Power ) and better accurate. Bracket Mark is more clear and readable, bracket surface with a high smooth finish. Available in Edgewise, Roth, MBT,BEGG Brackets. Colour coded by quadrant. Rhomboid base:Accurate positioning