Lingual bracket

A - Human Necessities – 61 – C

Patent

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Details

A61C 7/30 (2006.01)

Patent

CA 2437821

A lingual bracket for orthodontic treatments in the anterior and canine tooth area comprises a slot directed in parallel to the base plate of the bracket, said slot being aligned in a manner that the slot opening points towards the chewing plane. The slot preferably has a depth that is lower than its width. As an element for securing an arch wire in the slot, said slot is preferably covered by a closing spring, which I stably held on the bracket frame in the opening and closing position. An arch wire inserted into the slot is pressed by the closing spring against the slot bottom and generates the forces on the bracket that are required for the tooth position correction. The use of safety lugs for the closing spring can be renounced, which reduces the height of the bracket.

Console linguale pour des traitements orthodontiques dans la zone des incisives et des canines, qui comporte une fente orientée parallèlement à la plaque de base de la console, ladite fente étant orientée de manière telle que son ouverture débouche dans le plan d'occlusion. De préférence, ladite fente possède une profondeur qui est inférieure à sa largeur. En tant qu'évidement destiné à retenir un fil de guidage dans la fente, cette dernière est de préférence couverte d'un ressort de fermeture qui est retenu de manière stable sur la console dans les positions d'ouverture et de fermeture. Un fil de guidage introduit dans la fente est poussé par le ressort de fermeture contre le fond de la fente, possède en outre une action directe sur au moins une paroi latérale de la fente et produit sur la console les forces nécessaires à la correction de position de la dent. Il est possible de renoncer à l'utilisation de crochets de sécurité pour les ressorts de fermeture, ce qui réduit la hauteur de la console.

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