Dental impression curette

A - Human Necessities – 61 – C

Patent

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Details

A61C 9/00 (2006.01)

Patent

CA 2263762

The invention relates to a dental impression curette for production of dental impressions by means of a curable impression material, with an impression shell (10) adapted to the shape of the human upper jaw or lower jaw and intended to hold the impression material. Said impression shell (10) for non- destructive removal of the curable impression material having the dental impression can be broken down into at least two portions. The impression curette has saliva-suction means (64) which extends on the inner edge region facing the tongue and/or on the outer edge region facing the cheek or lip, and is detachably connected to the outer and/or inner side wall (16). To improve adaptation, a resilient and/or deformable sealing and compensation member (48) is provided which produces fluid-tight contact between the impression shell (10) and the mucous membrane or the gum.

L'invention concerne une curette destinée à la préparation d'empreintes dentaires au moyen d'une composition durcissable pour empreinte, comprenant une coque pour empreinte (10) destinée à recevoir ladite composition, adaptée à la forme de la mâchoire supérieure ou de la mâchoire inférieure, cette coque (10) pouvant être séparée en au moins deux parties, en vue de retirer, sans l'endommager, la composition durcie présentant l'empreinte dentaire. La curette présente un dispositif aspirant la salive (64) s'étendant sur le bord interne tourné vers la langue et/ou sur le bord externe tourné vers la joue ou les lèvres, et relié amovible à la paroi extérieure et/ou intérieure (16). Afin d'améliorer l'adaptation, il est prévu un élément d'étanchéité et de compensation élastique et/ou déformable (48), permettant d'obtenir, lors de la prise d'empreintes, un contact étanche au fluide entre la coque pour empreinte (10) et la muqueuse ou les gencives.

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