ARCHWIRES
NON EXTRACTION ARCHWIRE SEQUENCE.
Maxillary arch.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI.
PURPOSE: Intial leveling and rotation correction
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016SS or 17x25 TMA).
PURPOSE: Continue leveling and rotation correction.
DURATION: TWO TO FOUR MONTHS.
Finishing wire.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
MANDIBULAR ARCH.
Intial wire
TYPE: Flexible rectangular (16x22 or 17x25, d-rect, 17x25 Niti.).
PURPOSE: Intial leveling ,rotation correction, torque control .
DURATION ONE TO THREE MONTHS.
TRANSITIONAL WIRE
TYPE: Intermediate stiffness. (17x25 TMA, 16x22 S.S.)
PURPOSE: Cont leveling, rotation correction, torque control
DURATION: THREE TO SIX MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
EXTRACTION ARCHWIRE SEQUENCE.
MAXILLARY ARCH.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI.
PURPOSE: Intial leveling and rotation correction
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016 SS ).
PURPOSE: Continue leveling and rotation correction and retract canines.
DURATION: FOUR TO EIGHT MONTHS.
SPACE CLOSING:
TYPE: Stiff rectangular w/ Closing loops ( 18x25 post reduce S.S)
PURPOSE: Close space. .
DURATION: FOUR TO EIGHT MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
MANDIBULAR ARCH.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI 17X25 D- Rect.
PURPOSE: Intial leveling and rotation correction torque control.
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016 SS or 17x25 TMA).
PURPOSE: Continue leveling and rotation correction and retract canines.
DURATION: TWO TO FOUR MONTHS.
Space closing
TYPE: Stiff rectangular w / Closing loop (16X22 s.s.)
PURPOSE:. Close space
DURATION: FOUR TO EIGHT MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
HEAT TREAT: ALL STAINLESS STEEL ARCHWIRES
ARCH CONSOLIDATION
Purpose:
· To close all spaces.
· To change 10-12 Independent force components into One Unit.
WHY IS IT INPORTANT
· When extra-oral forces are applied Orthopedic change can occur.e.g Facebow and Facemask.
· Intra-oral elastic attached to ball hooks do not move individual teeth........No space open.............Torque not affected.
TWO WAYS TO CONSOLIDATE:
· Power chain and Round Wire. (Non-Extraction).
· Closing Loop. (Extraction).
4 WAYS TO MAINTAIN CONSOLIDATION
· Power chains.
· Lacing with ligature wires.
· Cinch back.
· Tie back with omega loops.
·
THE DISADVANTAGES OF POWER CHAIN AND CINCH BACK.
· Chains must be changed monthly.
· Very difficult to close space in rectangular wires.
· Cinch back is “Passive” stop.
· Spaces inadvertently open.
TECHNIQUE FOR BENDING THE OMEGA LOOP.
After space closure, what is the best way to keep arch consolidated?
· ANSWER: Place omega loops anterior to terminal tubes.
· Tie back with ligature tying pliers.
After space closure what is the best way to keep arch consolidated ?
· Place omega loop anterior to terminal tubes.
· Tie back with ligature tying plier.
Advantage of tying back with omega loop:
· Active force holds contact points together.
· Small spaces can be closed by tightly tying back.
· Unnecessary to change power chain every month. open.
· Space do not inadvertently open.
How Do You Tie Back
1. Use steiner ligature plier.
2. Use .014 S.S. ligature wire.
Is it necessary to tie back every arch?
Ans: NO.
When placing curve of spee in the maxillary arch
(Round or rectangular wire)
TIE BACK OR FLARE ANTERIORS
When placing reverse curve of spee in mandibular arch using rectangular wire, -5 degrees torque prevents flaring.
When placing reverse curve of spee in mandibular arch using round wire
Tie back or fare anteriors
Maxillary arch No TB Tie Back. Cinch Back
---------------------------------------------------------------------------------------------------------
Initial archwire X
---------------------------------------------------------------------------------------------------------
Curve of spee X X
---------------------------------------------------------------------------------------------------------
Wearing headgear X
---------------------------------------------------------------------------------------------------------
Closing loop X
---------------------------------------------------------------------------------------------------------
Finishing Archwire X
---------------------------------------------------------------------------------------------------------
Mandibular arch No TB Tie Back. Cinch Back
---------------------------------------------------------------------------------------------------------
Initial archwire X
---------------------------------------------------------------------------------------------------------
Reverse Curve of spee
---------------------------------------------------------------------------------------------------------
Round wire X
---------------------------------------------------------------------------------------------------------
Rectangular wire Y/N Y/N
---------------------------------------------------------------------------------------------------------
Closing loop X X
---------------------------------------------------------------------------------------------------------
Elastic X
---------------------------------------------------------------------------------------------------------
Finishing Archwire X
---------------------------------------------------------------------------------------------------------
WHEN DO YOU TIE BACK?
ANS: WHEN IN DOUBT, TIE BACK.
One of most important principle in the Alexander Discipline is
TYING BACK.
ARCHWIRE LIGATION
· POWER’O’ ELASTOMER.
· STEEL LIGATURE.
1. .010 S.S.
2. .014 S.S
Elastomers are used in early stages of treatment.
NON EXTRACTION ARCHWIRE SEQUENCE.
Maxillary arch.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI.
PURPOSE: Intial leveling and rotation correction
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016SS or 17x25 TMA).
PURPOSE: Continue leveling and rotation correction.
DURATION: TWO TO FOUR MONTHS.
Finishing wire.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
MANDIBULAR ARCH.
Intial wire
TYPE: Flexible rectangular (16x22 or 17x25, d-rect, 17x25 Niti.).
PURPOSE: Intial leveling ,rotation correction, torque control .
DURATION ONE TO THREE MONTHS.
TRANSITIONAL WIRE
TYPE: Intermediate stiffness. (17x25 TMA, 16x22 S.S.)
PURPOSE: Cont leveling, rotation correction, torque control
DURATION: THREE TO SIX MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
EXTRACTION ARCHWIRE SEQUENCE.
MAXILLARY ARCH.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI.
PURPOSE: Intial leveling and rotation correction
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016 SS ).
PURPOSE: Continue leveling and rotation correction and retract canines.
DURATION: FOUR TO EIGHT MONTHS.
SPACE CLOSING:
TYPE: Stiff rectangular w/ Closing loops ( 18x25 post reduce S.S)
PURPOSE: Close space. .
DURATION: FOUR TO EIGHT MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
MANDIBULAR ARCH.
Intial wire
TYPE: Flexible, Round(.0175 Triple-Flex or .016 NITI 17X25 D- Rect.
PURPOSE: Intial leveling and rotation correction torque control.
DURATION: ONE TO THREE MONTHS
Transitional wire
TYPE: Intermediate stiffness. (.016 SS or 17x25 TMA).
PURPOSE: Continue leveling and rotation correction and retract canines.
DURATION: TWO TO FOUR MONTHS.
Space closing
TYPE: Stiff rectangular w / Closing loop (16X22 s.s.)
PURPOSE:. Close space
DURATION: FOUR TO EIGHT MONTHS.
FINISHING WIRE.
TYPE: Stiff rectangular (17x25SS).
PURPOSE: FINALIZE LEVELING ROTATION TORQUE AND ARCH FORM
DURATION: UNTIL END OF TREATMENT
HEAT TREAT: ALL STAINLESS STEEL ARCHWIRES
ARCH CONSOLIDATION
Purpose:
· To close all spaces.
· To change 10-12 Independent force components into One Unit.
WHY IS IT INPORTANT
· When extra-oral forces are applied Orthopedic change can occur.e.g Facebow and Facemask.
· Intra-oral elastic attached to ball hooks do not move individual teeth........No space open.............Torque not affected.
TWO WAYS TO CONSOLIDATE:
· Power chain and Round Wire. (Non-Extraction).
· Closing Loop. (Extraction).
4 WAYS TO MAINTAIN CONSOLIDATION
· Power chains.
· Lacing with ligature wires.
· Cinch back.
· Tie back with omega loops.
·
THE DISADVANTAGES OF POWER CHAIN AND CINCH BACK.
· Chains must be changed monthly.
· Very difficult to close space in rectangular wires.
· Cinch back is “Passive” stop.
· Spaces inadvertently open.
TECHNIQUE FOR BENDING THE OMEGA LOOP.
After space closure, what is the best way to keep arch consolidated?
· ANSWER: Place omega loops anterior to terminal tubes.
· Tie back with ligature tying pliers.
After space closure what is the best way to keep arch consolidated ?
· Place omega loop anterior to terminal tubes.
· Tie back with ligature tying plier.
Advantage of tying back with omega loop:
· Active force holds contact points together.
· Small spaces can be closed by tightly tying back.
· Unnecessary to change power chain every month. open.
· Space do not inadvertently open.
How Do You Tie Back
1. Use steiner ligature plier.
2. Use .014 S.S. ligature wire.
Is it necessary to tie back every arch?
Ans: NO.
When placing curve of spee in the maxillary arch
(Round or rectangular wire)
TIE BACK OR FLARE ANTERIORS
When placing reverse curve of spee in mandibular arch using rectangular wire, -5 degrees torque prevents flaring.
When placing reverse curve of spee in mandibular arch using round wire
Tie back or fare anteriors
Maxillary arch No TB Tie Back. Cinch Back
---------------------------------------------------------------------------------------------------------
Initial archwire X
---------------------------------------------------------------------------------------------------------
Curve of spee X X
---------------------------------------------------------------------------------------------------------
Wearing headgear X
---------------------------------------------------------------------------------------------------------
Closing loop X
---------------------------------------------------------------------------------------------------------
Finishing Archwire X
---------------------------------------------------------------------------------------------------------
Mandibular arch No TB Tie Back. Cinch Back
---------------------------------------------------------------------------------------------------------
Initial archwire X
---------------------------------------------------------------------------------------------------------
Reverse Curve of spee
---------------------------------------------------------------------------------------------------------
Round wire X
---------------------------------------------------------------------------------------------------------
Rectangular wire Y/N Y/N
---------------------------------------------------------------------------------------------------------
Closing loop X X
---------------------------------------------------------------------------------------------------------
Elastic X
---------------------------------------------------------------------------------------------------------
Finishing Archwire X
---------------------------------------------------------------------------------------------------------
WHEN DO YOU TIE BACK?
ANS: WHEN IN DOUBT, TIE BACK.
One of most important principle in the Alexander Discipline is
TYING BACK.
ARCHWIRE LIGATION
· POWER’O’ ELASTOMER.
· STEEL LIGATURE.
1. .010 S.S.
2. .014 S.S
Elastomers are used in early stages of treatment.
posted by Dr.Das | 3:29 PM
