Polychromatic Zirconia Bodies and Methods of Making the Same
US-2019233340-A1 · Aug 1, 2019 · US
Method of coloring dental block and dental block
US12419726B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12419726-B2 |
| Application number | US-202218690861-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 24, 2022 |
| Priority date | Sep 30, 2021 |
| Publication date | Sep 23, 2025 |
| Grant date | Sep 23, 2025 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
In a method of coloring a dental block by which a coloring liquid penetrates into the dental block including a top surface, a bottom surface, and a side surface, the method includes covering at least a portion of the side surface with a covering material over an entire circumference of the portion, exposing the top surface and the bottom surface, and causing the coloring liquid to penetrate from the top surface or the bottom surface.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of coloring a dental block by which a coloring liquid penetrates into the dental block including a top surface, a bottom surface, and a side surface, the method comprising: covering at least a portion of the side surface with a covering material over an entire circumference of the portion; exposing the top surface and the bottom surface; and causing the coloring liquid to penetrate from the top surface or the bottom surface. 2. The method of coloring the dental block according to claim 1 , wherein the entire circumference of a portion of the side surface close to the bottom surface is covered with the covering material, and a portion of the side surface close to the top surface is exposed, and wherein the coloring liquid penetrates from the top surface and the portion of the side surface close to the top surface. 3. The method of coloring the dental block according to claim 2 , wherein a length, in a height direction of the dental block, of the portion close to the top surface exposed towards the top surface of the side surface is 40% or less of a total length of the side surface in the height direction. 4. The method of coloring the dental block according to claim 1 , wherein the entire circumference of a portion of the side surface close to the top surface is covered with the covering material, and a portion of the side surface close to the bottom surface is exposed, and wherein the coloring liquid penetrates from the bottom surface and the portion of the side surface close to the bottom surface. 5. The method of coloring the dental block according to claim 4 , wherein a length, in a height direction of the dental block, of the portion close to the bottom surface exposed towards the bottom surface of the side surface is 40% or less of a total length of the side surface in the height direction. 6. The method of coloring the dental block according to claim 1 , wherein the dental block is composed of a molded body formed after temporary firing the molded body but before fully firing the molded body. 7. The method of coloring the dental block according to claim 1 , wherein the covering material is formed of a flexible material. 8. A dental block obtained by the method of coloring according to claim 1 .
Assignees
Inventors
Classifications
using colour effect, e.g. for identification purposes · CPC title
- A61C13/0022Primary
Blanks or green, unfinished dental restoration parts · CPC title
Material properties · CPC title
Compositions characterised by their physical properties · CPC title
Preparations for artificial teeth, for filling teeth or for capping teeth · CPC title
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- What does patent US12419726B2 cover?
- In a method of coloring a dental block by which a coloring liquid penetrates into the dental block including a top surface, a bottom surface, and a side surface, the method includes covering at least a portion of the side surface with a covering material over an entire circumference of the portion, exposing the top surface and the bottom surface, and causing the coloring liquid to penetrate fro…
- Who is the assignee on this patent?
- G C Dental Ind Corp
- What technology area does this patent fall under?
- Primary CPC classification A61C13/0022. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Sep 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).