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Dental cement kit

A cement and dental technology, used in dentistry, dental preparations, dentures, etc., can solve the problems of color tone and adjustment of difficult-to-repair parts

Active Publication Date: 2020-03-27
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 kit. When the adornment device is installed or tried on, it is possible to easily select a dental cement or a tried-on material for easily obtaining high tonematching properties with peripheral dentin. The invention discloses a dental cement assembly. The liquid crystal composition comprises three to n tones, and for use in the following cases: The presentinvention relates to a dental cement comprising a plurality of tones including three to n tones, after a try-on material is used for try-on to confirm which kind of dental cement is used, the dentalcement is selected from among the dental cements including a plurality of tones of three to n kinds of tones, the information loss amount P1n of each tone with respect to the first principal componentdetermined by principal component analysis is less than 2, and the following formula 1 is satisfied. Formula 1: 2<=((CL*p-1-CL*p)2+(Ca*p-1-Ca*p)2+(Cb*p-1-Cb*p)2)1 / 2<8 (In the formula, p represents anarbitrary 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 Applications(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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