US 12,343,224 B2
Kit for making patient-specific dental restorations comprising a multi-compartment tray and a plurality of millable material blocks
David Christopher Leeson, North Tustin, CA (US); James Fidel Zamora, Eastvale, CA (US); Dong Hee Phee, Diamond Bar, CA (US); and Nicolas Ziegler, Costa Mesa, CA (US)
Assigned to James R. Glidewell Dental Ceramics, Inc., Newport Beach, CA (US)
Filed by James R. Glidewell Dental Ceramics, Inc., Newport Beach, CA (US)
Filed on May 13, 2022, as Appl. No. 17/743,984.
Application 16/594,386 is a division of application No. 15/368,122, filed on Dec. 2, 2016, granted, now 10,470,853, issued on Nov. 12, 2019.
Application 17/743,984 is a continuation of application No. 16/594,386, filed on Oct. 7, 2019, granted, now 11,331,172.
Claims priority of provisional application 62/262,616, filed on Dec. 3, 2015.
Prior Publication US 2022/0265401 A1, Aug. 25, 2022
Int. Cl. A61C 13/00 (2006.01); A61G 15/16 (2006.01); B23Q 3/06 (2006.01)
CPC A61C 13/0006 (2013.01) [A61C 13/0004 (2013.01); A61C 13/0022 (2013.01); A61G 15/16 (2013.01); B23Q 3/061 (2013.01); B23C 2226/18 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A kit for making a plurality of patient-specific dental restorations comprising
a multi-compartment tray wherein each compartment has first and second compartment areas and a first opening in a wall that separates the first and second compartment areas; and
a plurality of millable material blocks for shaping custom dental restorations, wherein each material block comprises
a material block portion for shaping the custom dental restoration, having upper and lower milling surfaces joined by two curved side surfaces, and opposing top and bottom surfaces, that fits within the first compartment area; and
a mandrel that fits within the first opening in the wall and the second compartment area, comprising
a first elongated portion having a first end that is attached to the bottom surface of the material block portion and an opposing second end comprising a shoulder, and
a second elongated portion adjacent the second end of the first elongated portion, wherein the second elongated portion has a cross-sectional geometry that is smaller than the first elongated portion,
wherein the first elongated portion comprises at least two planar surfaces that are not orthogonal to at least two planar surfaces of the second elongated portion.