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8 Cards in this Set
- Front
- Back
Stainless steal:
types? rigidity? force? flexibility? cross sxn? |
- single filament
-high rigidity, high force, low flex, round/rect -multi filament -med rigid, med. force, med flex -round rec |
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Beta titanium(CNA)
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-med hi rigid, med hi force, med flexibility
- round rect -Ti increase flexibility |
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Niti
|
-med-low rigid, med low force, med-high flex
-round/rect -bends and returns to its original shape |
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Thermally activate niti
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-very low rigidity, very low force, very high flexibility
-cold temps allow you to bend the wire, body temps cause it to go to original form -helps you tie in the wire |
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stages of fix appliance therapy
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-leveling/aligning
-correction of molar relatin and space closure -detailing and finishing |
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Leveling and aligning
-goal -movements -type of force, wires, motion -material |
-move team from poor position into the arch
-tiping, rotation, intrusion, extrusion - light, superelastic, long range -niti |
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- correction of molar relationship/space closure
-goal -movements -type of force, rigidity -type of wire |
- proper molar occlusion and closing space
-translation -high force, high rigidity -square SS |
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Detailing and Finishing
-goal -movements -type of force, rigidity? -wire? |
-fine tuning for each individual tooth position
-root uprighting, rotation, intrusion extrusion -high force, high rigidity -SS |