A capsule for mixing and dispensing a dental material, comprising - a body having a front end and a rear end and extending along a longitudinal axis; - the body forming a body front wall and a body side wall which protrudes from the front wall in a dimension of the longitudinal axis; - the body front wall and the body side wall in combination form a cavity extending into the body from the rear end toward the body front wall; - the cavity merging in an outlet through the body front wall and being closed by a liquid container adjacent the rear end; - the body and the liquid container in combination forming a mixing chamber containing a first component of the dental material; - wherein the liquid container comprises: ∘ a cup-shaped cartridge formed by a cartridge front wall and a cartridge side wall and having a rear opening; ∘ a plug being movably joined within the cartridge through the rear opening for extruding a liquid second component of the dental material; ∘ the cartridge further having a channel extending through the cartridge side wall for releasing the second component into the mixing chamber; - wherein the body side wall inwardly has a recess being dimensioned for establishing a fluid communication between the channel and the mixing chamber in an activated position; - wherein the activated position corresponds to a second axial position of a first and a second axial position of the of the cartridge and the body relative to each other in a dimension along the longitudinal axis; - wherein the first axial position corresponds to an inactivated position in which the channel is offset from the recess; and - wherein the channel is openably sealed by a second cover film at least in the inactivated position, characterized in that a first cover film seals the joint between the cartridge and the plug and in that the second cover film and the cartridge are sealingly connected in an area surrounding the channel. - a body having a front end and a rear end and extending along a longitudinal axis; - the body forming a body front wall and a body side wall which protrudes from the front wall in a dimension of the longitudinal axis; - the body front wall and the body side wall in combination form a cavity extending into the body from the rear end toward the body front wall; - the cavity merging in an outlet through the body front wall and being closed by a liquid container adjacent the rear end; - the body and the liquid container in combination forming a mixing chamber containing a first component of the dental material; - wherein the liquid container comprises: ∘ a cup-shaped cartridge formed by a cartridge front wall and a cartridge side wall and having a rear opening; ∘ a plug being movably joined within the cartridge through the rear opening for extruding a liquid second component of the dental material; ∘ the cartridge further having a channel extending through the cartridge side wall for releasing the second component into the mixing chamber; ∘ a cup-shaped cartridge formed by a cartridge front wall and a cartridge side wall and having a rear opening; ∘ a plug being movably joined within the cartridge through the rear opening for extruding a liquid second component of the dental material; ∘ the cartridge further having a channel extending through the cartridge side wall for releasing the second component into the mixing chamber; - wherein the body side wall inwardly has a recess being dimensioned for establishing a fluid communication between the channel and the mixing chamber in an activated position; - wherein the activated position corresponds to a second axial position of a first and a second axial position of the of the cartridge and the body relative to each other in a dimension along the longitudinal axis; - wherein the first axial position corresponds to an inactivated position in which the channel is offset from the recess; and - wherein the channel is openably sealed by a second cover film at least in the inactivated position, characterized in that a first cover film seals the joint between the cartridge and the plug and in that the second cover film and the cartridge are sealingly connected in an area surrounding the channel.