Dry type patches safe for gum

Details Dry type patches safe for gum Dry type patches safe for gum

A - Human Necessities

61

C

A61C 17/00 (2006.01) A61K 8/02 (2006.01) A61K 8/22 (2006.01) A61Q 11/00 (2006.01)

Patent

CA 2506073

Disclosed herein is a pair of dry type patches for teeth whitening, having a patch for upper teeth and a patch for lower teeth, in which the patch for upper teeth has a shape different from the patch for lower teeth, and each patch has a controlled width and shape such that the contact area of each patch with gums is minimized. In the patch for upper teeth, a central portion covering right and left upper central incisors is widest. In the patch for lower teeth, either portion covering right and left lower canine teeth is widest. Since the dry type patches covers all the portions of the teeth while minimizing the contact area with gums, no or little irritation is caused and wearability is excellent.

L'invention porte sur une paire de compresses sèches de blanchiment des dents, l'une pour les dents du haut et l'une pour les dents du bas, et dont la forme diffère de manière à réduire leurs zones de contact avec les gencives. Dans la compresse pour les dents du haut la partie centrale recouvrant les incisives droite et gauche est plus large, et dans la compresse pour les dents du bas les parties recouvrant les canines droite et gauche sont plus larges. Comme lesdites compresses recouvrent la totalité des dents tout en réduisant la zone de contact avec les gencives, elles ne causent pas d'irritation et sont parfaitement supportées.

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