A dental capsule (10) for storing a dental powder component (13) and a liquid component (28) in separated condition in which the powder component (13) is contained in a chamber (17) and the liquid component (28) is contained in a pouch (18). The capsule (10) comprises a freely movable member (36) arranged to rupture the pouch (18) upon vibration of the capsule (10) so that the liquid component (28) admixes with the powder component (13) to form a dental paste (38). The compartment of the capsule has a manually removable cap (14) to enable the dental paste (38) to be retrieved for use.