Patent ID: 11937991
Assignee: ALIGN TECHNOLOGY, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 18:
19. An aligner attachment placement device, comprising:
a frame configured to extend over a portion of a dental arch;
an attachment support extending from a first side of the frame;
an aligner attachment removably attached to the attachment support and adapted to attach to a tooth surface;
a first and second registration anchor extending from the frame, wherein the first registration anchor is separated by the second registration anchor by a gap portion of the frame that is configured to suspend over one or more teeth along the portion of the dental arch such that a space is between the gap portion and the one or more teeth, the first and second registration anchors configured to place the aligner attachment at a predetermined position on the tooth surface, wherein the aligner attachment is shaped to interact with a surface of an aligner to impart forces on the dental arch when the aligner attachment is attached on the tooth surface; and
a retention support extending from a second side of the frame and adapted to maintain the aligner attachment at the predetermined position, wherein the retention support is separate from and located between the first and second registration anchors, wherein the retention support includes an extension arm and a tooth contact portion, wherein the tooth contact portion is shaped to contact one or more teeth of the dental arch, and the extension arm couples the tooth contact portion to the second side of the frame, wherein at least part of the extension arm has a smaller width than the tooth contact portion.