Dental milling block containing individualized dental article and process of production

US10617495B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Malte Korten · Moorenweis, DE
• Helmar B. Mayr · Kaufering, DE
• Gallus Schechner · Herrsching am Ammersee, DE
• Christoph Thalacker · Weilheim, DE
• Karsten Dede · Landsberg, DE
• Michael Jahns · Gilching, DE

Key dates

• Filing date: Dec 7, 2012
• Grant date: Apr 14, 2020
• Expiry date: May 26, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49567
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention relates to a dental milling block (1) comprising a dental article (2) having an outer surface, the dental article having been produced based on personalized data, wherein the outer surface of the dental article is at least partially covered with a surrounding material. The invention further relates to a process of producing a dental milling block, the process comprising the steps of: ⋅a) providing a personalized Data Set C containing geometry data of the dental article and colour data related to said geometry data, ⋅b) generating a layer of hardenable material on a surface, ⋅c) applying a colour agent to the layer of hardenable material of step b), wherein the colour agent is applied to at least some regions of those areas of the layer of hardenable material which are related to the geometry data of the dental article, ⋅d) consolidating the result obtained in step c) thereby obtaining an at least partially hardened layer of material.