Dental compositions for coating restorations and tooth surfaces

Details Dental compositions for coating restorations and tooth surfaces Dental compositions for coating restorations and tooth surfaces

A - Human Necessities

61

K

A61K 6/083 (2006.01) A61K 6/09 (2006.01)

Patent

CA 2687201

Dental compositions comprising a polymerizable compound, filler system of nanometer-sized silica particles, and polymerization system capable of being activated by light are provided. The compositions further contain a solvent such as a mixture of 1-butanol and acetone and may contain water. The nanometer-sized silica particles, having an average particle size of about 1 nm to about 100 nm, are uniformly dispersed within the resin. The compositions can be applied as a polish, sealant, bleach guard, or other coating material to the surfaces of dental restorations and teeth. Self-etching and non-self-etching compositions are provided. The cured coating forms a protective, durable film that enhances the shine and luster of the restorations and teeth.

L'invention porte sur des compositions dentaires comprenant un composé polymérisable, un système de remplissage de particules de silice de la taille du nanomètre, et un système de polymérisation activable par la lumière. Lesdites compositions contiennent de plus un solvant tel qu'un mélange de 1-butanol et d'acétone et éventuellement d'eau. Lesdites particules de silice ont une taille moyenne d'environ 1 nm à environ 100 nm, et sont uniformément dispersées dans la résine. Les compositions peuvent être appliquées comme poli, comme résine de scellement, comme garde de décoloration, ou comme autres revêtements, sur les surfaces de prothèses dentaire et les dents. Les compositions peuvent être auto-décapantes ou non, et le revêtement une fois durci forme un film protecteur durable qui augmente l'éclat et le lustre des prothèses et des dents.

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