Apparatus for cushioned bite jumping and the correction of class II malocclusions
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United States of America Patent
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Oct 21, 1997
Grant Date -
N/A
app pub date -
Apr 18, 1996
filing date -
Apr 18, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved appliance for correcting Class II malocclusions with automatic adjustment as tooth movement, bone movement, or both occur. Instead of employing screw adjustments as does much of the prior art, the present invention applies correcting forces by means of a spring which expands through a pre-set, compressed distance. A linkage is employed to increase corrective forces while maintaining a reasonable closure effort. The appliance can be made in a variety of sizes for incorporation of longer or stronger springs as is required by a particular case. The relative positions of the components of the appliance can be reversed so that it can also serve to correct some Class III protrusions as well.
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Family
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Cited Art Landscape
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