Patent ID: 6682347
Filing Date: 2004-01-27
Classification: A61C

Abstract:
A capsule for dental restoration material for directly administering to a tooth a mixture of a powder and a liquid, comprising:a main body, containing the powder, having inner surfaces defining a cylindrical mixing compartment and an 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 the protrusion breaks the seal in the liquid accommodating tool causing the powder and the liquid to mix within the mixing compartment and to extrude the mixture toward the outlet hole; and an air-permeable filter to seal the powder within the mixing compartment, wherein the air-permeable filter is located in a part of a peripheral wall in the mixing compartment.