Preshaped thin-walled dental trays and methods of manufacturing and using such trays

  • US 7,481,653 B2
  • Filed: 02/09/2005
  • Issued: 01/27/2009
  • Est. Priority Date: 01/24/2003
  • Status: Active Grant
First Claim
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1. A pre-shaped, non-custom dental tray suitable for placement over at least a portion of one of a person'"'"'s upper or lower dental arches, wherein the dental tray comprises at least one type of polymeric material, the dental tray further comprising:

  • at least two walls defining a hollow interior portion therebetween, wherein an entire interior surface of at least one of the walls includes a plurality of spaced-apart indentations therein for holding a treatment composition against a person'"'"'s teeth when the dental tray is in use, the spaced-apart indentations being substantially evenly distributed across the entire interior surface of the at least one of the walls and so as to provide multiple indentations adjacent to each tooth when the dental tray is in use,wherein the dental tray is substantially devoid of structures corresponding to the size and shape of a person'"'"'s unique dentition so that the dental tray is designed to comfortably fit over a plurality of differently-sized dental arches corresponding to different people,wherein the dental tray has a maximum wall thickness of less than about 1 mm in order to be flexible across its entirety so that, when the non-custom dental tray is placed over a person'"'"'s teeth, the entire tray can flex and thereby at least partially conform to the person'"'"'s teeth during use in order to approximate the comfort and fit of a custom dental tray without the need to formally customize the tray.

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