Composite material armature for complete denture, and method...

A - Human Necessities – 61 – C

Patent

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A61C 13/00 (2006.01)

Patent

CA 2291125

The invention concerns an armature (12) for a complete denture consisting of: a base part (1) comprising a layer of said composite knitted fabric, which is arranged like a support shell in the form of a roof for covering at least part of the patient's jaw; an intermediate part (3) extending along the base part (1) summit (4) to form a beam with good compressive strength, and delimiting the armature (12) profile; and a surface part (10) forming a cap entirely covering the base part (1) and the intermediate part (3), the cap material consisting of a laminate with an organic matrix of the same type as the base part (1), the assembly of the three parts (1, 3, 10) constituting, after having been formed and polymerised, a self-supporting shape with good brittle resistance.

Une armature (12) pour prothèse dentaire adjointe est composée: d'une pièce de base (1) comprenant une couche de tissu maillé dudit matériau composite, laquelle est agencée selon une coque de support en forme de voûte destinée à recouvrir au moins une partie de la mâchoire du patient; d'une pièce intermédiaire (3) s'étendant le long du sommet (4) de la pièce de base (1) pour constituer une poutre ayant une bonne résistance à l'écrasement, et délimitant le profil de l'armature (12); et d'une pièce de surface (10) formant une chape recouvrant totalement la pièce de base (1) et la pièce intermédiaire (3), le matériau de la chape étant constitué par un stratifié ayant une matrice organique de même nature que celle de la pièce de base (1), l'ensemble des trois pièces (1, 3, 10) formant après mise en forme et polymérisation, un profilé auto-portant ayant une bonne résistance à la fracture.

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