Device for producing tooth impressions and impression tray...

A - Human Necessities – 61 – C

Patent

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Details

A61C 9/00 (2006.01)

Patent

CA 2248903

The invention concerns a tray (1) for producing impressions of dental arches, the tray comprising a peripheral edge wall (120) which forms a sealing point with soft tissue in the patient's mouth. The interior of the tray (1) is connected via a plurality of vacuum connection pieces (32, 34, 36) to a suction arrangement (92). Disposed in the impression space (52) provided by the tray (1) is an impression material distributor tube (28) which conveys impression material preferably to the rear section of the impression space (52). The distributor tube (28) is connected to an impression material source (92 to 108).

L'invention concerne un porte-empreinte (1) pour réaliser des empreintes des arcades dentaires, ce porte-empreinte comprenant une paroi marginale périphérique (120) qui forme un point de scellement avec les tissus mous dans la bouche du patient. L'intérieur du porte-empreinte (1) est raccordé, par l'intermédiaire d'une pluralité de tubulures de raccordement sous vide (34, 36), à un système d'aspiration (92). Dans la chambre d'empreinte (52) prédéfinie par le porte-empreinte (1) se trouve un tube distributeur (28) de pâte à empreinte qui achemine cette dernière de préférence à la section postérieure de la chambre d'empreinte (52). Ce tube distributeur (28) est relié à une source de pâte à empreinte (92 à 108).

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