Abstract: The invention relates to a capsule (3) for producing a composition, particularly for dental care, comprising an enclosure (6) provided with at least two compartments (8), the number of compartments corresponding to the number of components to be mixed, and at least one wall (10) for isolating the components, said wall (10) being provided to isolate the components form each other in storage mode, and to allow fluidic communication between the compartments (8) in mixing mode, said capsule also comprising a driving rod (2), one end of which is designed in compliance with the ISO 1797 standard, for removable attachment to a hand-held part (1).