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Three-dimensional orthodontic retainer and method for producing a three-dimensional orthodontic retainer

A retainer, three-dimensional technology, applied in manufacturing tools, additive manufacturing, orthodontics, etc., can solve problems such as weakening materials

Pending Publication Date: 2019-07-30
于尔格·霍斯泰特勒 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bending the sheets beforehand means additional method steps, for which additional machines are required, and special methods must also be used for cutting from bent sheets
Furthermore, by bending the sheet beforehand there is the problem of weakening the material when it deforms

Method used

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  • Three-dimensional orthodontic retainer and method for producing a three-dimensional orthodontic retainer

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Experimental program
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Embodiment Construction

[0014] For the production of the three-dimensional orthodontic retainer ( 2 ) according to the invention, a biocompatible material is preferably used as starting material, which furthermore contains as little allergen as possible. For example metals, metal alloys such as Ti-Mo or Ti-6AL-4V (GR5 ELI titanium alloy, used in medical technology), ceramic materials (eg zirconium), plastics or any combination of these materials are suitable. In order to avoid problems for the wearer, it can also be taken into account that the original material does not contain materials such as nickel, which are known to cause allergic reactions. The present holder ( 2 ) is produced from a raw material ( 1 ), for example in the form of a blank ( 1 ). The blank (1) can have any shape as long as it is large enough to machine the holder (2) from it. It is not necessary for the existing surface of the blank (1) to correspond to the machined sides of the holder (2), since a precisely fitting shape of th...

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PUM

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Abstract

The invention relates to a three-dimensional orthodontic retainer (2) and to a method for producing such a retainer (2) in which the three-dimensional orthodontic retainer (2) is matched to the exactshape of the adjacent teeth (3) and is produced from a blank (1) in such a manner that the physical properties of the material of the remaining part of the blank (1) are unchanged in the retainer (2).The method for producing the three-dimensional orthodontic retainer (2) comprises the following method steps: creating a three-dimensional model of the structure of the patient's teeth (3); designinga customised, precisely fitting model of the retainer (2); producing the retainer (2) on the basis of the designed 3D model by computer-controlled deposition or application of material.

Description

technical field [0001] The invention relates to a three-dimensional orthodontic retainer according to the preamble of claim 1 and a method for producing a three-dimensional orthodontic retainer according to claim 7 or 10 . Background technique [0002] Orthodontic retainers are very well known in the prior art. Orthodontic retainers are often used after orthodontic treatment to further fix the teeth in the correct position and to stabilize the position of the teeth. The holder is usually an elongated shaped rod made of metal, often made of wire, wherein two or more adjacent teeth are connected to each other, as is shown for example in DE 20 20 20 04 419 U1. The main requirement for the retainer is to adapt as well as possible to the shape of the adjacent teeth. On the one hand, there is the risk of an inaccurately formed rod, which buckles elastically when fastening the holder to the tooth. Any bending of the rod from its rest position causes mechanical loading and thus p...

Claims

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Application Information

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IPC IPC(8): A61C7/08
CPCB33Y10/00A61C7/002A61C7/12B22F10/80B22F10/50B22F10/28B33Y70/00A61C5/007A61C13/0015A61C13/0018A61C13/0022Y02P10/25A61C13/0019B33Y80/00B33Y50/02B23K26/342A61C7/08A61C13/34A61C2201/002B22F2301/205
Inventor 于尔格·霍斯泰特勒约纳斯·霍斯泰特勒
Owner 于尔格·霍斯泰特勒
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