Aarhus Application
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Transcript of Aarhus Application
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Effective Biomechanics for Mini-Implants
Clinical Applications
REV6/11
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The following depictions represent some of the most common uses
for skeletal anchorage in clinical treatment at the present time. They
are byno means the sum total of all the possible uses for TADs.
Likewise, the Biomechanics shown in the case examples should
notbe considered as the onlymethod of choice possible. It is left to
the clinician to determine how to best treat each specific case andthe proper Biomechanics to use based on his/her training and case
analysis and treatment plan.
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CompressedSpring2nd
Crimpable Stop
Screw repositioned to
distalize bicuspid
Wire &Crimpable Stop
STEP 3:
Wire &Crimpable Stop
Bracket HeadScrew
Compressedspring
CrimpableStop
STEP 2:
Bracket Head
Screw
CompressedSpring
Wire &Crimpable Stop
STEP 1:
Example A:
Molar Distalization (Tipping)Note - Passive Self-Ligating brackets shown
OPTION 1:
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STEP 3:
CompressedSpring
2ndCrimpable Stop
Screw repositioned to
distalize bicuspid
Wire &Crimpable Stop
STEP 1:
OPTION 2:
Example A:
Molar Distalization (Tipping)Note - Passive Self-Ligating brackets shown
Bracket HeadScrew
WireBondedto AnchorTeeth
CompressedSpring
STEP 2:
CompressedSpring
CrimpableStop
WireBondedto Bicuspid
Bracket HeadScrew
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Example B:
Maximum Anchorage - Friction Free
En Masse Anterior Retraction
Button HeadScrew
CrimpableHook
Ligature Tie
Springwithdoublepear ends
Example C:
Maxillary Incisor - Friction Free
Intrusion and RetractionSpring withBottle CapEnd
Pear End
Bracket HeadScrew
TPA: Banded or Bonded to maintain posterior segments
Note: Arrow indicates direction of movement
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Example D:
Maxillary Incisor
Retraction and Intrusion - Friction Free
Note: Arrow indicates direction of movement
Bracket-HeadScrewInactive
Intrustion/RetractionCantilever
Bracket-HeadScrew
Activated
Intrustion/RetractionCantilever
Steel ligature tie
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Example E:
Molar Intrusion
Bracket HeadScrew shown
Bracket HeadScrew shown
Figure 8Ligature Tie
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Example F:
Mandibular Incisor Intrusion
Friction Free
Intrusion Arm Bracket-HeadScrew
Activated
Inactive
Note: Arrow indicates direction of movement
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Example G:
Molar Protraction
Example H:
Molar Uprighting and Protration - Friction Free
Buccal Segment LacedTogether with Steel Ligature Cross Tube
Spring withDouble Pearends
Bracket HeadScrew
Bracket HeadScrew
Spring withPear End
Bottle CapEnd
Cross TubeLigature Tie
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Example I:
Molar Mesialisation and
Uprighting with Cantilever
Passive
Bracket HeadScrew
Cross Tube
Activated
CantileverWire
Spring with doublepear ends
Bracket HeadScrew
Cross Tube
CantileverWire
Spring with doublepear ends
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Example J:
Leveling the Curve of Spee
Bracket Head
Screw
Cross Tube
Note: Arrows indicate direction of movement
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Example K:
2nd Molar Uprighting with Cantilevers
Passive
Activated
Bracket HeadScrew
Cross Tube
Bracket HeadScrew
Cross Tube
CantileverWire
CantileverWire
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Example M:
Class II Div II - Incisor Alignment
Bracket HeadScrew
Note: Drawing shows corrected tooth positions
Example L:
Maxillary Molar Protraction
Figure 8Ligature Tie
Double Pear EndSpring
Burstone Bracket