The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2011
Filed:
Apr. 02, 2009
Joseph Maria Van Der Zel, Hoorn, NL;
Petrus Gerardus Appelman, Opmeer, NL;
Eric Marinus Hermanus Cornelissen, Huizen, NL;
Marcel Andre DE Kler, Alkmaar, NL;
Jurgen Gebhardt, Lauf a.d. Pegnitz, NL;
Joseph Maria van der Zel, Hoorn, NL;
Petrus Gerardus Appelman, Opmeer, NL;
Eric Marinus Hermanus Cornelissen, Huizen, NL;
Marcel Andre de Kler, Alkmaar, NL;
Jurgen Gebhardt, Lauf a.d. Pegnitz, NL;
Dentsply International, Inc., York, PA (US);
Abstract
The present invention relates to an aesthetic dental restoration having a layered structure, which dental restoration has the appearance of a natural tooth. In addition, the present invention relates to a method for preparing such dental restorations. Particularly, the invention is based on the control of interaction between opalescence and fluorescence.