Patent ID: 8722100

Claim:
A fluoride mineral trioxide aggregate dental material for use in caries treatment which comprises: a) more than 50%, a flash setting high aluminate cement powder or portland cement-like powder without gypsum addition, comprising: more than 60% calcium oxide (C); more than 15% silica (S), such that it comprise more than 50% calcium silicates including alite (tricalcium silicate or C3S) and belite (dicalcium silicate or C2S), with a C/S ratio above 2.0; more than 3% alumina (A), such that it comprises more than 7% calcium aluminates (CA); less than 10% sulphates (SO 3 ); altogether with a particle surface area of more than 200 m 2 /kg; and b) 0.001-49.9% by dry weight of one or more fluorine-containing additives with a particle surface area of 200 to 300,000 m 2 /kg; and c) 1-49.9% by dry weight of one or more further additives with a particle surface area of 200 to 300,000 m 2 /kg; and d) a hydration liquid optionally comprising more than 0.001% by weight of the liquid of one or more soluble powder additives; and e) 0.001-10.0% by weight of the liquid of one or more superplasticizers; and wherein said hydration liquid, d), constitutes 10-45% by weight based on the total MTA weight of a)-e).