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dental cement kit

一种水泥、牙科的技术，应用在牙科、牙科制剂、假牙等方向，能够解决难修复部位色调的、调整等问题

Active Publication Date: 2021-10-29
SHOFU INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, it is difficult to adjust the color tone of the restoration site with conventional dental cement or try-in materials such as those shown in Non-Patent Document 1.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0092] Determination of shade of dental cement:

[0093] Place a polyacetal mold (diameter 15mm, height 0.5mm hole) on a glass plate (thickness 0.15±0.02mm) and fill it with dental cement, then crimp the upper part with a glass plate (thickness 0.15±0.02mm) and confirm With no air bubbles mixed in, both surfaces were irradiated with an LED irradiator (blue irradiation high mode: Matsukaze) for 20 seconds x 9 times. After irradiating light, it was confirmed that the glass plate and the surface of the dental cement material were not peeled off, and color measurement was performed by the SCI method against a white background using a color measurement machine (CM-3500d: manufactured by Konica Minolta Holdings, Inc.).

[0094] Color tone determination of try-in materials:

[0095] Place a polyacetal mold (diameter 15mm, height 0.5mm hole) on a glass plate (thickness 0.15±0.02mm) and fill in the try-in material, press the upper part with a glass plate (thickness 0.15±0.02mm), and c...

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Abstract

The invention relates to a dental cement set. When installing or trying on a prosthetic device, it is possible to easily select a dental cement or a try-in material for easily obtaining high color tone matching with the surrounding dentin. A dental cement assembly including 3 to n shades and used in the case of confirming use by trying it on with a try-in material out of dental cements of various shades including 3 to n shades After which dental cement, dental cement is selected from dental cements of various shades including 3 to n shades, and the amount of information loss of each shade with respect to the first principal component determined by principal component analysis P1n is less than 2 and satisfies the following formula 1. Formula 1: 2≤〔(CL * p‑1 -CL * p ) 2 +(Ca * p‑1 -Ca * p ) 2 +(Cb * p‑1 -Cb * p ) 2 〕 1 / 2 <8 (wherein, p represents any integer of 2≤p≤n.).

Description

technical field [0001] The present invention relates to a dental cement selection method, its dental cement assembly, try-in material assembly, and a set of dental cement assembly and try-in material assembly. In the field of dental treatment, from 3 to n shades Among the dental cements of various colors, the dental cement to be used is selected after a try-in is performed using various try-in materials corresponding to the colors of the respective dental cements to confirm which dental cement to use. Background technique [0002] In recent years, the center of patch restoration has changed from metal patch restoration using metal as the main material to aesthetic patch restoration using ceramic or hybrid ceramic material patch devices. [0003] Aesthetic prosthetic restoration refers to a restoration method that not only expects functional recovery such as occlusal, but also restores the same color tone and optical properties (opal effect, fluorescence, transparency) as nat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C5/20G06T5/00G06T7/90
CPCA61C5/20G06T7/90G06T5/90A61K6/78A61K6/849A61C13/082A61C19/10A61K6/15A61K6/30G01J3/00
Inventor 原大辅北田直也山本健藏西野靖弘上月礼亨
Owner SHOFU INC
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