Dentistry – Prosthodontics – Holding or positioning denture in mouth
Reexamination Certificate
2009-07-16
2011-11-01
Singh, Sunil K (Department: 3732)
Dentistry
Prosthodontics
Holding or positioning denture in mouth
Reexamination Certificate
active
08047844
ABSTRACT:
Dental retention systems which facilitate the adjustment or removal of an oral appliance, e.g., a crown or bridge, from a reconfigurable abutment assembly are described. The adjustable abutment assembly may be secured to an anchoring implant bored into the bones within the mouth. The abutment assembly has a projecting abutment portion with one or more shape memory alloy compression plates or elements extending along the projecting abutment portion. Each of the plates has a length with one or more straightened portions and with at least one curved or arcuate portion. Energy may be applied to the elements such that the arcuate portion self-flattens to allow for the oral appliance to be placed thereupon while removal of the energy allows the elements to reconfigure into its curved configuration thereby locking the oral appliance to the abutment. Removal of the oral appliance may be effected by reapplication of energy to the elements.
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PCT International Patent Application No. PCT/US2010/041227 filed Jul. 7, 2010 in the name of Seo, International Search Report and Written Opinion mailed Sep. 23, 2010.
Levine Bagade Han LLP
Rodo Medical, Inc.
Singh Sunil K
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