US 9,433,477 B2 · Automatic placement of precision cuts

Abstract

An orthodontic positioning device and methods for making an orthodontic positioning device including a first patient removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to receive and apply a resilient positioning force to a patient's teeth provided in one of an upper jaw and a lower jaw. The first appliance includes a hook configured to receive an orthodontic elastic band. The orthodontic positioning device also includes a second patient removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to receive and apply a resilient positioning force to a patient's teeth provided in the other of the upper jaw and the lower jaw. The second appliance includes a cutout operable to expose an orthodontic elastic band receiving member.

Claims20

Dependent claims

A computer-implemented method of trimming an orthodontic positioning appliance having teeth receiving cavities, the method comprising:

receiving material including a portion having the shape of an orthodontic positioning appliance having teeth receiving cavities;
receiving a digital representation of trimming instructions, the trimming instructions including an elastic band receiving member cutout line or a hook cutout line, wherein the elastic band receiving member cutout line or the hook cutout line defines a gingival-facing surface of the orthodontic positioning appliance;
and
cutting the material along the elastic band receiving member cutout line or the hook cutout line with a cutting element.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

14/148,453Filed 6 Jan 2014 · division

Priority

10 Oct 2011

Published

US 2014/0120490 A11 May 2014

Granted

6 Sep 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

A61C 7/002
Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by…:…
A61C 7/08
Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by…:…
A61C 7/36
Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by…: devices…
A61C 19/05
Measuring instruments specially adapted for dentistry: for determining occlusion

Automatic placement of precision cuts

Life of this patent

Automatic placement of precision cuts

Life of this patent

Abstract

Claims20