Orthodontic bracket and method of correcting malpositioned teeth
US-9004916-B2 · Apr 14, 2015 · US
Orthodontic bracket and method of correcting malpositioned teeth
US9492247B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9492247-B2 |
| Application number | US-201514682453-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 9, 2015 |
| Priority date | Jan 16, 2009 |
| Publication date | Nov 15, 2016 |
| Grant date | Nov 15, 2016 |
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- Title
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Abstract
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An orthodontic bracket includes a bracket body and a ligating member. The ligating member retains an archwire in an archwire slot and includes archwire control structure including projecting portions spaced apart in a mesial-distal direction with a recessed area therebetween. The recessed area and the projecting portions overlie the archwire slot. The recessed area may include a flat or a curved surface in a mesial-distal direction. The recessed area and projecting portions may define a radius of curvature that is less than the radius of curvature of the archwire seated in the slot. The archwire contacts one or both the projecting portions resulting in a larger moment arm and better rotational control of the bracket with the force applied by the archwire.
First claim
Opening claim text (preview).
What is claimed is: 1. An orthodontic bracket comprising: a bracket body that is adapted to be secured to a tooth and that includes an archwire slot and a ledge open to the archwire slot, and a ligating slide that is movable between an opened position and a closed position and includes a curved leading edge to guide the archwire into the archwire slot as the ligating slide is moved toward the closed position, wherein the ledge receives the curved leading edge of the ligating slide in the closed position, wherein the archwire slot includes a base surface and opposing side walls extending from the base surface and the ligating slide includes a recessed area that extends over the archwire slot and occlusal-gingivally beyond each opposing side wall when the ligating slide is in the closed position, wherein the recessed area comprises a recessed surface curved in a mesial-distal direction.
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Frequently asked questions
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- What does patent US9492247B2 cover?
- An orthodontic bracket includes a bracket body and a ligating member. The ligating member retains an archwire in an archwire slot and includes archwire control structure including projecting portions spaced apart in a mesial-distal direction with a recessed area therebetween. The recessed area and the projecting portions overlie the archwire slot. The recessed area may include a flat or a curve…
- Who is the assignee on this patent?
- Ormco Corp
- What technology area does this patent fall under?
- Primary CPC classification A61C7/287. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Nov 15 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).