A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/08 (2006.01) A61C 5/08 (2006.01) A61C 5/10 (2006.01) A61K 6/06 (2006.01)
Patent
CA 2212210
To prevent the formation of fissures in ceramic restoration components (34) and the widening of any existing fissures, it is proposed that surface areas of the tooth restoration component subjected to particular tensile stress should beprovided with a protective layer (52) which is intimately bonded to the ceramic material and preferably applies a tensile stress to it. The protective layer (52) is fully prepared before incorporation of the tooth restoration component and its free surface is complementary to the preparation surface (12) of a tooth stump (10).
Afin d'éviter que des éléments de restauration dentaire (34) ne se fissurent et que des fissures existantes ne s'accentuent, il est prévu de pourvoir des zones superficielles d'éléments de restauration dentaire, particulièrement sollicitées en tension, d'une couche protectrice (52) intimement liée au matériau céramique et qui exerce de préférence une contrainte de traction sur ledit matériau céramique. Cette couche protectrice (52) est entièrement terminée avant introduction de l'élément de restauration dentaire et sa surface libre est complémentaire de la surface de préparation (12) d'un moignon de dent (10).
Goudreau Gage Dubuc
Hahn Rainer
LandOfFree
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