Multicolor dental blanks and related methods

A - Human Necessities – 61 – C

Patent

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Details

A61C 13/00 (2006.01) A61C 13/08 (2006.01) A61K 6/027 (2006.01)

Patent

CA 2674060

A dental blank of the present invention has at least an inner zone (or layer) of a first color and an outer zone (or layer) of a second color wherein the inner and outer zones are concentric The inner zone can be surrounded in its entirety by the outer zone such that only the outer zone is visible on all surfaces of the blank and the inner zone is not visible on any surface of the blank Alternatively, the inner zone and the outer zone can extend to a same single surface of the blank, such that only the outer zone covers all remaining surfaces The dental blank may also have an intermediate zone between the inner and outer zones, wherein the intermediate zone is surrounded in its entirety by the outer zone and/or the intermediate zone surrounds the inner zone in its entirety.

L'invention concerne une ébauche dentaire ayant au moins une zone interne (ou couche) d'une première couleur et une zone externe (ou couche) d'une seconde couleur, lesdites zones interne et externe étant concentriques. La zone interne peut être entourée dans son intégralité par la zone externe de sorte que seule la zone externe est visible sur toutes les surfaces de l'ébauche et que la zone interne n'est pas visible sur une surface quelconque de l'ébauche. En variante, la zone interne et la zone externe peuvent s'étendre sur une même surface unique de l'ébauche, de sorte que seule la zone externe recouvre toutes les surfaces restantes. L'ébauche dentaire peut également avoir une zone intermédiaire située entre les zones interne et externe, ladite zone intermédiaire étant entourée dans son intégralité par la zone externe et/ou la zone intermédiaire entourant la zone interne dans son intégralité.

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