Improved flavored dental cleaning article and method

A - Human Necessities – 61 – C

Patent

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Details

A61C 15/00 (2006.01) A61C 15/04 (2006.01)

Patent

CA 2129422

A flavored interproximal dental cleaning article (2) having an open, porous brush portion (6) with matrix particles comprising flavor particles encapsulated in a water-soluble matrix bound to the surfaces of the brush portion by a water-insoluble matrix particle encapsulating hard, flexible polymeric film which is preferably a urethane polymer. The brush portion can integrally be connected to a threader portion (4) and/or a floss portion (8), and the threader portion (4) and the brush portion (6) can be further stiffened by a second outer polymeric hard flexible film coating which can be free of flavor particles. The cleaning article (2) is made by impregnating an open, porous brush portion (6) of an interproximal dental cleaning article (2) with a coating solution comprising a coating material dissolved in a volatile solvent. The coating solution has dispersed therein matrix particles comprising flavor particles encapsulated in a water-soluble matrix, the matrix particles being substantially insoluble in the volatile solvent.

Article aromatisé pour nettoyage interdental (2), comprenant une section de brossage ouverte et poreuse (6) dont les particules matricielles sont constituées de particules aromatisantes encapsulées dans une matrice soluble dans l'eau fixée aux surfaces de la section de brossage au moyen de particules matricielles insolubles dans l'eau, encapsulant un film polymérique dur et souple constitué de préférence d'un polymère uréthanne. La section de brossage peut être intégralement reliée à une section d'enfilage (4) et/ou de soie dentaire (8), et la section d'enfilage (4) de même que la section de brossage (6) peuvent être renforcées davantage au moyen d'un deuxième revêtement constitué par un film polymérique externe dur et souple pouvant ne pas contenir de particules aromatisantes. L'article de nettoyage (2) est fabriqué en imprégnant la section de brossage ouverte et poreuse (6) d'un article de nettoyage interdental (2) d'un enduit liquide constitué d'un marériau de revêtement dissout dans un solvent volatil. Le matériau de revêtement contient des particules matricielles comprenant des particules aromatisantes encapsulées dans une matrice soluble dans l'eau, les particules matricielles étant essentiellement insolubles dans le solvant volatil.

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