AZDENT Metal Self-Ligating Brackets with Buccal Tube Roth/MBT 3-4-5 Hook 28pcs /kitAZDENT Metal Self Ligating Brackets with Buccal Tube Roth MBT 3 4 5 Hook 28pcs kit. The new AZDENT metal self ligating Brackets gives you more efficient treatment efficiency, more flexible clinical practice, more comfortable patient experience and better aesthetics. Overview Low friction force, ultra small external shape, groove depth optimization design, so that the tooth can be more rapid, low friction movement, more perfect completion of the