Mandibular and maxillary arch ander
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United States of America Patent
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Jul 8, 1997
Grant Date -
N/A
app pub date -
Sep 11, 1995
filing date -
Sep 11, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A orthodontic appliance having a midarch expander positioned between two forward orthodontic bands to effect intercanine archlength development and bilateral spring-loaded rod and tube assemblies for molar distalization and added archlength development in the mandibular or maxillary bicuspid area. In one embodiment of the invention the midarch expander is an expansion screw complex. In another embodiment of the appliance, the midarch expander is a spring-loaded rod and tube assembly. In the maxillary arch expander, a pair of spring-loaded tube assemblies function as the midarch expander.
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Family
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