Advanced buccal tube

A - Human Necessities – 61 – C

Patent

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Details

A61C 7/14 (2006.01) A61C 7/28 (2006.01)

Patent

CA 2479997

A convertible buccal tube is disclosed which includes an arch wire slot covered by a separable cover. The cover includes a mesial or front flared portion to facilitate placing the end of an arch wire therein without undesirably stressing the cover. The cover is further secured to the buccal tube body by integral seams, brazing or other adhesive means that are varied in strength mesially-distally, with about 50% greater force being required to separate the cover at the mesial end thereof. The cover and increased strength seams provide that the cover is not prematurely separated from the buccal tube, particularly during installation of an arch wire.

L'invention concerne un tube buccal convertible qui comprend une fente de fil métallique pour arc recouverte d'une enveloppe pouvant être séparée. Cette enveloppe comprend une partie évasée mésiale ou frontale destinée à faciliter le placement de l'extrémité d'un fil métallique pour arc à l'intérieur de cette partie sans solliciter de façon indésirable l'enveloppe. L'enveloppe est également fixée au corps de tube buccal par des joints, une brasure ou un autre élément adhésif intégré, lesquels varient en force au niveau mésial et distal, une force supérieure d'environ 50 % étant nécessaire pour séparer l'enveloppe au niveau de son extrémité mésiale. L'enveloppe et les joints à force augmentée permettent que l'enveloppe ne soit pas prématurément séparée du tube buccal, plus spécifiquement durant l'installation d'un fil métallique pour arc.

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