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1. Reverse Curve TMA with T
loop
INDIAN DENTAL ACADEMY
Leader in continuing dental education
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2. Multifunctional Archwire for Bite
Opening, Torquing, and Space Closure
Reverse curve TMA with ‘T’ loops
Wires Used (TMA)
.016 X .O22 IN O.018 Slot
.O17 X .025 IN O.018 & O.022 Slot
.O19 X .O25 IN O.022 Slot
Available in 6 different anterior
lengths measuring from distal of
lateral incisors.
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3. Shape and configuration of
arch wire
The “T” loop TMA archwire could be
more accurately described as an
asymmentrcal “T” loop as the distal
extension of the loop is one third longer
than the mesial.
This asymmentrical design allows us to
create step-up from cuspids to the
incisors, to help in intrusion.
Bite opens rapidly of upto 8-10mm in 3-4
months.
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4. Pre-placement arch wire activation
Activate the “T” LOOP by pinching the
anterior portion of the loop closed & opening
the distal extension of the loop.
The step up created in the archwire can be
from 1-5mm depending on the bite opening
desired.
Place anterior section first, then posterior.
Activation by pulling the distal extension
through the molar tubes which activates 2mm
of the vertical legs of the “T” loop for closing
space.
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5. Intraoral torque adjustments
Torque can be placed in the anterior section,
while arch wire is completely engaged.
Two methods:
1. Pinch the horizontal portion at the top of
the “T” Loop using small optical plier, to
place a gabling torque of upto 30degrees
in the anteriors.
2. Pinching the anterior vertical leg of the “T”
Loop to allow full torque expression and
closing the spaces.
Curve in the archwire extrudes premolars and
helps bite opening.
Useful in ceramic brackets as they won’t
fracture as in continuous wire during
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torque bends.

6. Asymmet "T" archwire made of TMA
wire, with 5mm vertical step, 2mm
anterior loop, and 5mm posterior
loop.
Loop bent into preformed TMA
archwire with rounded end of small
optical plier.
Preactivation of Asymmet "T" loop. A. Short
mesial loop compressed. B. Long distal loop
opened. C. Loop after preactivation.
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7. A. Reverse curve of Spee
accentuated
with
Hollowshop
arch-contouringw plier. e. Distal
end curved outard to allow easy
insertion into prerotated molar
tubes. C. Final contour of
archwire before preactivation
Intraoral activation made
with inverted optical plier
at top of loop. Gable bend
opens loop at base and
adds
torque,
thus
advancing and intruding
incisors
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Intraoral activation placed
in mesial vertical step.
Base of loop is still
relatively closed, allowing
addition of torque without
affecting space closure

8. Thank you
For more details please visit
www.indiandentalacademy.com
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