Patent ID: 6869284

Claim:
A capsule for dental restoration material for directly administering to a tooth a mixture of a powder and liquid, comprising: a main body, containing the powder, having inner surfaces defining a cylindrical mixing compartment and outlet hole, a liquid accommodating tool having a seal, configured to accommodate the liquid and to move in the compartment toward the outlet hole, a plunger comprising a protrusion movably held in the liquid accommodating tool, the plunger being movable in the liquid accommodating tool such that protrusion breaks the seal in the liquid accommodating tool causing the powder and the liquid to mix within the mixing compartment and breaks through an air-permeable filter forcing the mixture toward the outlet hole; and said air-permeable filter being configured to seal the powder within the mixing compartment, being located in a passage for the mixture connecting a nozzle to the mixing compartment, and being configured to allow air to escape from the mixing compartment through the nozzle.