IP Library › Granted Patent US 12,727,968
Granted Patent B2
US 12,727,968 · App. 18/147,808 · Granted Sep 8, 2026

Orthodontic devices and methods for using those devices

Inventors: Jessica Elivier Grande (Placentia, CA); Sammel Shahrier Alauddin (Rancho Cucamonga, CA)
Assignee: Ormco Corporation
A61C7/023A61C7/02A61C7/08A61C7/146A61C19/004A61C7/145A61C7/20A61N2005/0606
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Quick Facts
Patent No.
US 12,727,968
App. No.
18/147,808
Granted
Sep 8, 2026
Kind
B2
Abstract

A device for use by a clinician includes a tip structure that is configured to extend from a handle and to be inserted into a patient's mouth and at least one light source that is capable of emitting incoherent actinic radiation from the device. The light source is on the tip structure or within the handle. A light device includes a shell that is configured to engage an orthodontic bracket while the orthodontic bracket is attached to a tooth and at least one light source is embedded in the shell and is capable of emitting incoherent actinic radiation. A method of debonding an orthodontic appliance from a tooth includes exposing an adhesive secured to the tooth to incoherent actinic radiation that reduces a bond strength of at least a portion of the adhesive and separating the orthodontic appliance from the tooth at the portion of the adhesive having reduced bond strength.

Claims (38)

1 . A method of orthodontic treatment of a patient, the method comprising:

exposing an adhesive securing an orthodontic appliance to a tooth of the patient to incoherent actinic radiation that reduces a bond strength of at least a portion of the adhesive; and

separating the orthodontic appliance from the tooth at the portion of the adhesive having reduced bond strength,

wherein prior to exposing, the method further comprises:

applying the adhesive to the tooth and the orthodontic appliance;

affixing the orthodontic appliance to the tooth via the adhesive; and

exposing the adhesive to a different spectrum of radiation from the incoherent actinic radiation to bond the orthodontic appliance to the tooth,

wherein following exposing the adhesive to the incoherent actinic radiation, the method further comprises:

reorienting the orthodontic appliance relative to the tooth; and

after reorienting, repeating the exposing of the adhesive to the different spectrum of radiation to bond the orthodontic appliance in a different orientation on the tooth.

2 . The method of claim 1 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in at least one of an IR spectrum, an NIR spectrum, and an UV spectrum.

3 . The method of claim 1 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in a blue portion of a visible light spectrum.

4 . The method of claim 1 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an ultraviolet spectrum.

5 . The method of claim 1 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an infrared spectrum.

6 . The method of claim 1 , wherein separating occurs during exposing the adhesive to incoherent actinic radiation.

7 . The method of claim 1 , wherein separating includes applying one or both of a tensile force or a shear force on the adhesive.

8 . The method of claim 7 , wherein applying includes pulling on the orthodontic appliance to separate the orthodontic appliance from the tooth.

9 . The method of claim 1 , wherein separating further comprises:

applying a mechanical debonding force to the orthodontic appliance.

10 . The method of claim 9 , wherein applying the mechanical debonding force and exposing the adhesive to incoherent actinic radiation are simultaneous.

11 . The method of claim 9 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an infrared spectrum.

12 . The method of claim 9 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in a near infrared spectrum.

13 . The method of claim 9 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in a blue portion of a visible light spectrum.

14 . The method of claim 9 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an ultraviolet spectrum.

15 . The method of claim 1 , wherein separating includes exposing the orthodontic appliance to ultrasonic vibration.

16 . The method of claim 15 , wherein exposing the adhesive to incoherent actinic radiation and exposing the orthodontic appliance to ultrasonic vibration are simultaneous.

17 . The method of claim 16 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an infrared spectrum.

18 . The method of claim 16 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in a near infrared spectrum.

19 . The method of claim 16 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in a blue portion of a visible light spectrum.

20 . The method of claim 16 , wherein exposing the adhesive to incoherent actinic radiation includes exposing the adhesive to radiation in an ultraviolet spectrum.

21 . The method of claim 1 , wherein a plurality of individual orthodontic appliances are bonded to individual ones of the patient's teeth with the adhesive between individual ones of the orthodontic appliances and individual ones of the patient's teeth,

wherein exposing the adhesive to incoherent actinic radiation reduces a bond strength of at least a portion of the adhesive bonding the individual ones of the orthodontic appliances to individual ones of the patient's teeth, and

wherein separating includes separating each of the orthodontic appliances from each respective tooth at the portion of each of the plurality of individual adhesives having reduced bond strength.

22 . The method of claim 21 , wherein exposing the adhesive between individual ones of the orthodontic appliances and individual ones of the patient's teeth to the incoherent actinic radiation occurs simultaneously.

23 . The method of claim 22 , wherein separating each of the individual ones of the orthodontic appliances from respective individual ones of the patient's teeth occurs simultaneously.

24 . The method of claim 21 , wherein separating further comprises:

applying a mechanical debonding force to each of the individual ones of the orthodontic appliances.

25 . The method of claim 24 , wherein applying the mechanical debonding force and exposing the adhesive between individual ones of the orthodontic appliances and individual ones of the patient's teeth to the incoherent actinic radiation are simultaneous.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2026
From: GRANDE, JESSICA ELIVIER; ALAUDDIN, SAMMEL SHAHRIER
To: ORMCO CORPORATION
Reel/Frame 075136/0866 →
Continuity (3)
Division 16272105 · Feb 11, 2019
Provisional Application 62628577 · Feb 9, 2018
Related Publication 20230200943A1 · Jun 29, 2023
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