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Biomimetic enamel material and preparation method of biomimetic tooth prepared from biomimetic enamel material

A technology of enamel and slurry, applied in dentistry, dental prosthesis, additive processing, etc., can solve the problems of high hardness of ceramic teeth and unsuitable gums

Active Publication Date: 2018-11-16
温州医科大学附属口腔医院
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The ceramic teeth in the prior art are all obtained by directly sintering ceramics. Although the sintered ceramic teeth have good hardness and acid and alkali resistance, they still cannot simulate human natural teeth well. Ceramic teeth Too high hardness often occurs, making human gums unsuitable and other problems. Human natural teeth are covered with enamel, and enamel is filled in the gaps between tooth bone cells. At present, there is no technology that can simulate human well. natural teeth

Method used

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  • Biomimetic enamel material and preparation method of biomimetic tooth prepared from biomimetic enamel material
  • Biomimetic enamel material and preparation method of biomimetic tooth prepared from biomimetic enamel material
  • Biomimetic enamel material and preparation method of biomimetic tooth prepared from biomimetic enamel material

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Experimental program
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Embodiment

[0048] Using CAD model three-dimensional design software, a two-dimensional simplified regular model of tooth enamel at the nanometer and micrometer scales was established. First, establish a regular hexagon with a side length of 0.5 mm, and use the hexagon as a unit honeycomb arrangement. This two-dimensional plan view shows the arrangement and combination structure of hydroxyapatite crystal (ceramic crystal) units, as shown in figure 1 shown. Secondly, design a plane model diagram of the glaze column (ceramic phase) and glaze column interstitial (resin phase) structure of a unit, establish a circle with a radius of 2mm, and then create a circle with a radius of 2.5mm around the center of the circle to form A ring-shaped belt with a width of about 0.5mm; at a distance of 4.5mm from the center of the previous circle and at an angle of 45° to the horizontal diameter, two circles are established in the same way as above to form a ring-shaped belt, so that the two ring-shaped bel...

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Abstract

The invention discloses a biomimetic enamel material. A preparation method of the biomimetic enamel material comprises the following steps of mixing alpha-Al2O3 with 3Y-ZrO2 firstly, roasting, afterwards, adding a colloid premixing solution, then printing a ceramic support bisque through a 3D printer, then sintering the ceramic support bisque, then permeating mixed resin into the ceramic support bisque, polymerizing and solidifying to obtain the biomimetic material. Even under the condition that a biomimetic tooth prepared in the invention generates 1% of deformation, the problem of brittle failure cannot happen either. The natural tooth is simulated relatively well.

Description

technical field [0001] The invention relates to the field of dentistry, in particular to a bionic enamel material and a method for making bionic teeth. Background technique [0002] The full name of ceramic teeth is an ideal restoration. It is first made of a ceramic base, and then covered with low-melt porcelain powder similar to natural teeth on its surface, sintered and fused in a vacuum high-temperature porcelain furnace, so it has high strength and the appearance of a porcelain crown. It is characterized by being able to restore the shape and function of the tooth body, strong fracture resistance, realistic color and appearance, smooth surface, strong wear resistance, no deformation, and stable color. A successful ceramic restoration should be realistic in shape and stable in color. Acid-base, is a permanent restoration. [0003] The ceramic teeth in the prior art are all obtained by directly sintering ceramics. Although the sintered ceramic teeth have good hardness a...

Claims

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Application Information

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IPC IPC(8): A61K6/02A61K6/09A61K6/083C04B35/119C04B35/622B33Y10/00A61K6/893
CPCA61K6/802A61K6/818A61K6/887A61K6/893B33Y10/00C04B35/119C04B35/622C04B2235/3206C04B2235/3232C04B2235/5445C04B2235/5454C04B2235/656C08L75/14C08L47/00
Inventor 麻建丰黄盛斌林婷婷余溢金小婷史诗
Owner 温州医科大学附属口腔医院
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