Metal-free dental filling system as a substitute for amalgam

Details Metal-free dental filling system as a substitute for amalgam Metal-free dental filling system as a substitute for amalgam

A - Human Necessities

61

K

A61K 6/02 (2006.01) A61K 6/00 (2006.01) A61K 6/08 (2006.01)

Patent

CA 2309980

Metal free, dental filling system for the filling therapy of cavities, especially as amalgam substitute, or for the filling therapy of root canals, which comprises a dental filling material for cavities or root canals as well as an adhesive, curing or self-curing (hardening) sealant for dental hard tissue and, optionally, an intermediate layer material. The adhesive bond between the hardened adhesive sealant and the dental hard tissue, such as enamal, dentin or root cement, is stronger than the adhesive bond between the hardened, adhesive sealant and the hardened filling material. Thus, no destructive forces are transmitted from the shrinking filling material to the sealant.

L'invention se rapporte à un système d'obturation dentaire ne contenant pas de métaux et destiné à l'obturation thérapeutique de cavités dentaires, notamment en remplacement d'amalgame, ou à l'obturation thérapeutique de canaux radiculaires. Ce système comporte un matériau d'obturation dentaire pour cavités ou canaux radiculaires ainsi qu'une résine de scellement réticulable ou auto-réticulable (c'est à dire susceptible de durcir), adhésive, et éventuellement un matériau pour couche intermédiaire. La liaison par collage entre la résine de scellement adhésive durcie et le tissu dur dentaire, tel que l'émail, la dentine ou le ciment radiculaire est plus solide que la liaison par collage entre la résine de scellement adhésive durcie et le matériau d'obturation durci. De ce fait, aucune force destructrice n'est transmise à la résine de scellement de la part du matériau d'obturation soumis à un retrait.

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