GLASS IONOMER CEMENT, PROCESS OF PRODUCTION AND USE THEREOF

摘要

The invention relates to a kit of parts for preparing a glass ionomer cement, the kit comprising a Part A and a Part B, Part A being a powder and comprising an acid-reactive filler in an amount above about 60 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 μm, an non acid-reactive filler in an amount above about 1 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 μm, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, Part B being a liquid and comprising a polyacid in an amount above about 30 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B. The invention also relates to a process of producing a hardenable or hardening composition and use thereof in the dental field.

主权项

1. A kit of parts for preparing a glass ionomer cement for dental use, the kit comprising a Part A and a Part B,
Part A being a powder and comprising: an acid-reactive inorganic filler in an amount from above about 60 to about 95 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 μm, an non acid-reactive inorganic filler in an amount above about 5 to about 30 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 μm, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, and Part B being a liquid and comprising: a polyacid in an amount above about 35 to about 60 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B.