Dentistry – Orthodontics – By mouthpiece-type retainer
Reexamination Certificate
2011-01-25
2011-01-25
Lewis, Ralph A (Department: 3732)
Dentistry
Orthodontics
By mouthpiece-type retainer
Reexamination Certificate
active
07874836
ABSTRACT:
Provided, among other things, is a system for progressive palatal expansion, the system comprising a series of incremental expanders, including: a) a first incremental expander having a geometry selected to incrementally expand the palate; b) one or more intermediate expanders having geometries selected to progressively expand the palate; and, c) a final expander, having a geometry selected to expand the palate to a target desired breadth.
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Proffit et al, 2000,Contemporary Orthodontics, 3rdEd, 534-537.
Dechert LLP
Lewis Ralph A
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