US 12,336,878 B2
Dental crown having a highly retentive coating and method for making the same
Bruce R. Broyles, Oakdale, MN (US); and Afshin Falsafi, Woodbury, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed on Oct. 23, 2023, as Appl. No. 18/492,179.
Application 18/492,179 is a continuation of application No. 16/761,325, abandoned, previously published as PCT/IB2018/058590, filed on Nov. 1, 2018.
Claims priority of provisional application 62/582,100, filed on Nov. 6, 2017.
Prior Publication US 2024/0050196 A1, Feb. 15, 2024
Int. Cl. A61C 5/77 (2017.01); A61C 13/00 (2006.01); A61K 6/84 (2020.01); A61K 6/887 (2020.01); B23K 20/02 (2006.01)
CPC A61C 5/77 (2017.02) [A61K 6/84 (2020.01); A61K 6/887 (2020.01); A61C 13/0021 (2013.01); A61C 13/0022 (2013.01); B23K 20/02 (2013.01); Y10T 29/49567 (2015.01); Y10T 29/49888 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A method of forming a dental crown, comprising:
diffusion bonding a metal base layer to a coating retention layer to form a dental crown blank, wherein the coating retention layer comprises a plurality of apertures, and wherein an interface between the metal base layer and the coating retention layer comprises a plurality of interstitial regions;
coating a composition on the coating retention layer and within the plurality of the interstitial regions to bond the coating composition to the metal base layer; and
forming the dental crown blank into a dental crown shaped to cover at least a portion of a tooth of a patient.