摘要:
The present invention provides a mixer for producing a paste by mixing components, comprising a housing having a longitudinal axis, a rear end, and a front end provided with a discharge opening; and a mixing chamber formed in said housing and having an entry side facing said rear end of said housing. The initial content of the mixing chamber is diverted from the discharge opening, and the subsequent content of the mixing chamber is extrudable from the discharge opening.
摘要:
A device for dispensing a dental composition comprises a piston for extruding a component of the dental composition from a container. The device has a roller drive for displacing the first piston. The roller drive comprises cooperating first and second rollers, and each of the rollers have a roller surface with a radial rib profile. The rollers are arranged for rolling with their roller surfaces on one another. The invention may help providing for a relatively reliable and compact device.
摘要:
The present invention relates to the mixing of dental materials in a container and/or to the dispensing of a dental material or a mixture of dental materials from a container. In particular, the present invention relates to a dental material processing device such as a mixer and/or dispenser for mixing and/or dispensing dental material(s) from a container or in a container, respectively, a method of communication between a dental material processing device for mixing and/or dispensing dental material(s) and at least one separable information device, an information device for use in mixing and/or dispensing dental material(s) with a dental material processing device, and a system comprising a dental material processing device and at least one information device.
摘要:
The invention relates to a dental retraction device to be used for retracting the gingiva from a prepared tooth structure, the retraction device having the shape of a cord with a radial (x- and y-direction) and longitudinal direction (z-direction) and comprising an absorbing agent and optionally a retarding agent, wherein the retraction device is able to expand in the radial direction (x- and/or y-direction), but essentially does not expand in the longitudinal direction (z-direction) upon contact with fluid.
摘要:
A mixer (10) for preparing a dental material comprises a mixing barrel (17) and a mixing rotor (16), a mixer inlet (13, 14), and an outlet (15). The mixing rotor is rotatable about a rotation axis (A), and comprises four mixing paddle levels (21, 22, 23, 24) each comprising at least one mixing paddle. The mixing paddle levels are axially disposed over a portion of the mixing rotor with the paddle levels being axially spaced at a generally uniform paddle spacing. The mixing paddles further have a thickness in the dimension parallel to the rotation axis, and the ratio between the paddle spacing and the paddle thickness is at least 2:1, thereby maximizing the mixing efficiency, and minimizing energy consumption.
摘要:
A nozzle head (5) for a powder jet device (1), for use in applying dental material, comprises a first fluid flow path (8) for delivering a powder/fluid mixture to a first discharge nozzle (8A). A second fluid flow path (6) is provided for delivering a liquid to a second discharge nozzle (6A) located adjacent the first discharge nozzle (8A), so that the materials discharged by the first and second discharge nozzles combine at a desired location to form a dental composition. A nozzle-clearing member (10) is located inside the nozzle head and is movable to remove powder material from the first discharge nozzle when the flow of powder/fluid mixture to the nozzle ceases.