Dental composition and method

Details Dental composition and method Dental composition and method

A - Human Necessities

61

K

A61K 6/083 (2006.01) A61C 5/04 (2006.01) A61K 6/00 (2006.01)

Patent

CA 2088633

The invention provides dental composite compositions formed by mixing a curable liquid composition with a powder in preselected proportions. The composite compositions formed are useful as cement, liner, base, restorative, pit and fissure sealants, and/or core buildup material, etc. having improved adhesion to dentin. These composite compositions include polyalkenoic acid, filler which provides elutable cations which are reactive with the polyalkenoic acid and fluoride ion, water to provide for elution of cations reactive with polyalkenoic acid, polymerizable monomer and/or prepolymer composition, unsaturated organic acid having 1 or more polymerizable groups and a catalyst system for polymerization. Optionally the composites include inert reinforcing filler for strength, aesthetics, and radiopacity.

Compositions dentaires mixtes formées par mélange d'une composition liquide réticulable avec une poudre dans des proportions déterminées d'avance. Les compositions mixtes formées sont utiles comme ciments, revêtements, bases, restaurateurs, scellants pour puits et fissures et (ou) matériau pour formation de noyau, etc., possédant une adhérence améliorée à la dentine. Ces compositions mixtes renferment les éléments suivants : acide polyalcénoïque; charge fournissant des cations éluables, réactifs avec l'acide polyalcénoïque et l'ion flurorure; eau permettant l'élution des cations réactifs avec l'acide polyalcénoïque; composition à base de monomère polymérisable et (ou) de prépolymère; acide organique insaturé renfermant un ou plusieurs groupes polymérisables; système catalytique pour la polymérisation. Les compositions peuvent, facultativement, renfermer une charge inerte de renforcement pour améliorer la solidité, l'esthétique ou la radiopacité

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