CPC A61C 19/066 (2013.01) [B29C 64/188 (2017.08); B29C 64/393 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); G06T 7/0012 (2013.01); B29L 2031/753 (2013.01); G06T 2210/41 (2013.01)] | 11 Claims |
1. A method for forming a custom bleaching tray, comprising:
receiving a digital model of a patient's mouth, the digital model including an initial tooth model and an initial gingiva model;
moving at least one tooth in the initial tooth model and a corresponding gingiva portion in the initial gingiva model buccally, distally, and/or medially to form a moved tooth model and a moved gingiva model;
separating the moved tooth model from the moved gingiva model to form a separated moved gingiva model;
placing the initial tooth model onto the separated moved gingiva model to form a trench between the at least one tooth in the initial tooth model and the corresponding gingiva portion in the moved gingiva model to form an updated digital model;
producing a physical bleaching tray corresponding to the updated digital model of the patient's mouth, the physical bleaching tray including a bleaching material reservoir at an inner surface that corresponds to a buccal surface of the at least one tooth in the initial tooth model and a bleaching material barrier, wherein the bleaching material barrier is formed based on the trench.
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