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Summary of Webinar: Simplified Orthodontic Biomechanics with Double Slot Bracket - Thaer Hamid Brazil
Conclusion
New bracket concept, could reduce anchorage demand for specific mechanics
What is it?
· Metal bracket with 2 conventional slots (1 passive, 1 active ligating) in a vertical arrangement
How does it work?
Passive incisal slot 022 x 028
· More liberty between archwire and slot
· Greater force (when compared to 018x025 slot)
Active gingival slot 018x030
· Better rotational control
· Quicker torque expression
Advantage in anchorage and less auxillaries
· Base archwire can be 19x25ss: high rigidity
o active wire can be larger: 16x22NiTi
Archwire sequence
012 CUNiTi initially 1 slot
012 CUNITI Both slots
016 CUNITI Both slots
16x22 CUNITI Both slots
17x25SS (working archwire) in 18x30 slot
Issues: Friction
Yes could be increased
By Farooq Ahmed5
77 ratings
Summary of Webinar: Simplified Orthodontic Biomechanics with Double Slot Bracket - Thaer Hamid Brazil
Conclusion
New bracket concept, could reduce anchorage demand for specific mechanics
What is it?
· Metal bracket with 2 conventional slots (1 passive, 1 active ligating) in a vertical arrangement
How does it work?
Passive incisal slot 022 x 028
· More liberty between archwire and slot
· Greater force (when compared to 018x025 slot)
Active gingival slot 018x030
· Better rotational control
· Quicker torque expression
Advantage in anchorage and less auxillaries
· Base archwire can be 19x25ss: high rigidity
o active wire can be larger: 16x22NiTi
Archwire sequence
012 CUNiTi initially 1 slot
012 CUNITI Both slots
016 CUNITI Both slots
16x22 CUNITI Both slots
17x25SS (working archwire) in 18x30 slot
Issues: Friction
Yes could be increased

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