US 12,263,058 B2
Preformed orthodontic aligner attachments
David K. Cinader, Jr., Woodbury, MN (US); Richard E. Raby, Lino Lakes, MN (US); Joseph R. Dufour, Cottage Grove, MN (US); Daniel J. Skamser, Ham Lake, MN (US); Jeremy A. Schmoll, Pine Island, MN (US); and Michael K. Domroese, Woodbury, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/784,736
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Dec. 17, 2020, PCT No. PCT/IB2020/062132
§ 371(c)(1), (2) Date Jun. 13, 2022,
PCT Pub. No. WO2021/130624, PCT Pub. Date Jul. 1, 2021.
Claims priority of provisional application 62/954,278, filed on Dec. 27, 2019.
Prior Publication US 2023/0009985 A1, Jan. 12, 2023
Int. Cl. A61C 7/14 (2006.01); A61C 7/00 (2006.01); A61C 7/16 (2006.01)
CPC A61C 7/146 (2013.01) [A61C 7/002 (2013.01); A61C 7/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An orthodontic article comprising: an orthodontic attachment including:
a body defining a retaining member configured to retain the orthodontic attachment in a recess defined by a shell of a transfer tray, and
a bonding surface configured to bond the orthodontic attachment to a portion of an outer surface of a tooth; and
a coupling portion including at least one frangible section configured for engaging the body and orienting the bonding surface in a direction relative to a plane defined by the coupling portion, wherein a portion of the at least one frangible section comprises a connection point to the body, and wherein the at least on frangible section is configured to break at a surface of the body.