Dental root canal filling material

Details Dental root canal filling material Dental root canal filling material

A - Human Necessities

61

K

A61K 6/00 (2006.01) A61K 6/087 (2006.01)

Patent

CA 2551229

A dental root canal sealing composition curable in the absence of a polymerisation initiator, which comprises (i) an amino terminated prepolymer having a viscosity at 23~C of less than 100 Pas. (ii) a compound capable of undergoing polyaddition with the aminoterminated prepolymer (i); (iii) 40 to 85 wt.-% of a filler for providing a minimum radioopacity of at least 3mm/mm Al.

L'invention concerne une composition de scellement de canal radiculaire qui peut durcir sans initiateur de polymérisation. Cette composition comprend (i) un prépolymère à terminaison amino présentant une viscosité inférieure à 100 Pas à 23 ·C. (ii) un composé se prêtant à une polymérisation par addition avec le prépolymère à terminaison amino (i); (iii) 40 à 85 % en poids d'une charge permettant de conférer une radio-opacité d'au moins 3mm/mm Al.

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