CN112168398A - Nano porcelain false tooth and preparation method thereof - Google Patents
Nano porcelain false tooth and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/083—Porcelain or ceramic teeth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/083—Porcelain or ceramic teeth
- A61C13/0835—Ceramic coating on metallic body
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Abstract
The invention discloses a nano porcelain denture, which comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following components: titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide; the porcelain filler comprises the following components: nanometer zirconia, nanometer titanium dioxide, nanometer hydroxyapatite, nanometer leucite, nanometer silicon dioxide, nanometer silver powder, copper, cerium, composite plant essential oil and deionized water. The invention also discloses a preparation method of the nano porcelain false tooth. The invention has the advantages of improving the comprehensive performance of the denture alloy, the grain size inside the porcelain denture, the microstructure morphology of the denture alloy, adjusting the expansion coefficient and improving the surface performance, and repairing the midline, the tooth radian and the tooth surface of the nano porcelain denture, so that the surface of the denture is smooth and glossy, and finally the denture is more comfortable to wear by users.
Description
Technical Field
The invention relates to the technical field of false teeth, in particular to a nano porcelain false tooth and a preparation method thereof.
Background
The denture is what is commonly called a "denture". Just like "leg prosthesis" and "prosthetic limb" are referred to as "prosthetic limb", a "denture" means that the human being is "obligated" to the utmost. The medical science is a general term for restorations made after partial or all teeth of the upper and lower jaws are lost. The artificial tooth is divided into removable type and fixed type. Fixed dentures (commonly known as "fixed dentures") are not worn by the patient himself, while removable dentures (commonly known as "removable dentures") are worn by the patient easily. The existing false teeth can not meet the requirements of the existing market, and the reason is that: when the nanometer porcelain false tooth is manufactured, because the porcelain powder can shrink after being sintered at high temperature to deform, the shape of the nanometer porcelain false tooth can not be accurately controlled, when a user arranges teeth, the shape of each nanometer porcelain false tooth is different, the nanometer porcelain false tooth is difficult to perfectly match with real teeth, gaps among teeth are too large, the experience of the user is influenced, and therefore improvement is needed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a nano porcelain false tooth and a preparation method thereof, wherein a false tooth blank is heated to about 1000-1020 ℃ in the process of firing the nano porcelain false tooth, the appearance and the details of the false tooth are repaired by continuously filling porcelain powder, Ag and Cu are added simultaneously, the comprehensive performance of a false tooth alloy is improved, the grain size inside the porcelain false tooth is improved, then rare earth element Ce is added, the microstructure form of the false tooth alloy is improved, the expansion coefficient is adjusted, the surface performance is improved, and after the nano porcelain false tooth is cooled, the central line, the tooth radian and the tooth surface of the false tooth of the nano porcelain are repaired by a needle sewing machine, so that the surface of the false tooth is round and glossy, and a user can wear the false tooth comfortably.
In order to achieve the purpose, the invention designs a nano porcelain denture which comprises a metal substrate positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal substrate comprises the following components: titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide; the porcelain filler comprises the following components: nanometer zirconia, nanometer titanium dioxide, nanometer hydroxyapatite, nanometer leucite, nanometer silicon dioxide, nanometer silver powder, copper, cerium, composite plant essential oil and deionized water.
Further, the metal base material comprises the following raw materials in parts by weight: 3-5 parts of titanium, 6-10 parts of manganese, 5-8 parts of iron, 2-3 parts of copper, 1-3 parts of zinc, 10-12 parts of molybdenum, 3-5 parts of rare earth, 2-7 parts of zirconium dioxide, 1-2 parts of strontium oxide and 5-8 parts of tin oxide.
Further, the porcelain filler comprises the following raw materials in parts by weight: 2-3 parts of nano zirconia, 4-8 parts of nano titanium dioxide, 1-3 parts of nano hydroxyapatite, 3-5 parts of nano leucite, 1-2 parts of nano silicon dioxide, 0.5-2 parts of nano silver powder, 1-3 parts of copper, 0.2-1.5 parts of cerium, 0.5-1 part of composite plant essential oil and 5-10 parts of deionized water.
Further, the metal base material comprises the following raw materials in parts by weight: 4 parts of titanium, 7 parts of manganese, 6 parts of iron, 2.5 parts of copper, 2 parts of zinc, 11 parts of molybdenum, 4 parts of rare earth, 3 parts of zirconium dioxide, 1.5 parts of strontium oxide and 6 parts of tin oxide.
Further, the porcelain filler comprises the following raw materials in parts by weight: 2 parts of nano zirconia, 5 parts of nano titanium dioxide, 2 parts of nano hydroxyapatite, 4 parts of nano leucite, 1 part of nano silicon dioxide, 1 part of nano silver powder, 2 parts of copper, 1 part of cerium, 0.8 part of composite plant essential oil and 6 parts of deionized water.
Further, the compound plant essential oil is one or more of basil essential oil, bergamot essential oil, grape seed essential oil and lemon essential oil.
The invention also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1000-1020 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Further, the heating temperature in step 3 was controlled at 1010 ℃.
Further, in step 3, when the porcelain filler material is added, the denture blank is compared with the preset denture requirement, and the appearance is repaired to be within 0.01 of the error of the preset denture blank.
The invention provides a nano porcelain false tooth and a preparation method thereof, which solve the problems that the existing false tooth is deformed due to the shrinkage of porcelain powder after high-temperature sintering, the shape of the false tooth cannot be accurately controlled, when a user arranges teeth, each nano porcelain false tooth is different in shape, the perfect matching of real teeth is difficult for the nano porcelain false tooth, and the inter-tooth gap is overlarge, so that the user experience is influenced.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
the nano porcelain denture provided by the embodiment comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following components: titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide; the porcelain filler comprises the following components: nanometer zirconia, nanometer titanium dioxide, nanometer hydroxyapatite, nanometer leucite, nanometer silicon dioxide, nanometer silver powder, copper, cerium, composite plant essential oil and deionized water.
Further, the metal base material comprises the following raw materials in parts by weight: 3-5 parts of titanium, 6-10 parts of manganese, 5-8 parts of iron, 2-3 parts of copper, 1-3 parts of zinc, 10-12 parts of molybdenum, 3-5 parts of rare earth, 2-7 parts of zirconium dioxide, 1-2 parts of strontium oxide and 5-8 parts of tin oxide.
Further, the porcelain filler comprises the following raw materials in parts by weight: 2-3 parts of nano zirconia, 4-8 parts of nano titanium dioxide, 1-3 parts of nano hydroxyapatite, 3-5 parts of nano leucite, 1-2 parts of nano silicon dioxide, 0.5-2 parts of nano silver powder, 1-3 parts of copper, 0.2-1.5 parts of cerium, 0.5-1 part of composite plant essential oil and 5-10 parts of deionized water.
Further, the metal base material comprises the following raw materials in parts by weight: 4 parts of titanium, 7 parts of manganese, 6 parts of iron, 2.5 parts of copper, 2 parts of zinc, 11 parts of molybdenum, 4 parts of rare earth, 3 parts of zirconium dioxide, 1.5 parts of strontium oxide and 6 parts of tin oxide.
Further, the porcelain filler comprises the following raw materials in parts by weight: 2 parts of nano zirconia, 5 parts of nano titanium dioxide, 2 parts of nano hydroxyapatite, 4 parts of nano leucite, 1 part of nano silicon dioxide, 1 part of nano silver powder, 2 parts of copper, 1 part of cerium, 0.8 part of composite plant essential oil and 6 parts of deionized water.
Further, the compound plant essential oil is one or more of basil essential oil, bergamot essential oil, grape seed essential oil and lemon essential oil. In the embodiment, the compound plant essential oil is basil essential oil, bergamot essential oil, grape seed essential oil and lemon essential oil.
The embodiment also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1000-1020 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Further, the heating temperature in step 3 was controlled at 1010 ℃.
Further, in step 3, when the porcelain filler material is added, the denture blank is compared with the preset denture requirement, and the appearance is repaired to be within 0.01 of the error of the preset denture blank.
Example 2:
the nanometer porcelain denture provided by the embodiment comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following raw materials in parts: 3 parts of titanium, 6 parts of manganese, 5 parts of iron, 2 parts of copper, 1 part of zinc, 10 parts of molybdenum, 3 parts of rare earth, 2 parts of zirconium dioxide, 1 part of strontium oxide and 5 parts of tin oxide, wherein the porcelain filler comprises the following raw materials in parts by weight: 2 parts of nano zirconia, 4 parts of nano titanium dioxide, 1 part of nano hydroxyapatite, 3 parts of nano leucite, 1 part of nano silicon dioxide, 0.5 part of nano silver powder, 1 part of copper, 0.2 part of cerium, 0.5 part of composite plant essential oil and deionized water.
Further, the compound plant essential oil is basil essential oil and bergamot essential oil.
The embodiment also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1000 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Example 3:
the nanometer porcelain denture provided by the embodiment comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following raw materials in parts: 5 parts of titanium, 10 parts of manganese, 8 parts of iron, 3 parts of copper, 3 parts of zinc, 12 parts of molybdenum, 5 parts of rare earth, 7 parts of zirconium dioxide, 2 parts of strontium oxide and 8 parts of tin oxide, wherein the porcelain filler comprises the following raw materials in parts by weight: 3 parts of nano zirconia, 8 parts of nano titanium dioxide, 3 parts of nano hydroxyapatite, 5 parts of nano leucite, 2 parts of nano silicon dioxide, 2 parts of nano silver powder, 3 parts of copper, 1.5 parts of cerium, 1 part of composite plant essential oil and 10 parts of deionized water.
Further, the compound plant essential oil is grape seed essential oil and lemon essential oil.
The embodiment also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1020 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Example 4:
the nanometer porcelain denture provided by the embodiment comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following raw materials in parts: 4.5 parts of titanium, 7 parts of manganese, 6 parts of iron, 2.5 parts of copper, 1.5 parts of zinc, 10.5 parts of molybdenum, 3.5 parts of rare earth, 3 parts of zirconium dioxide, 1.5 parts of strontium oxide and 6 parts of tin oxide, wherein the porcelain filler comprises the following raw materials in parts by weight: 25 parts of nano zirconia, 6 parts of nano titanium dioxide, 1.5 parts of nano hydroxyapatite, 4.5 parts of nano leucite, 1.5 parts of nano silicon dioxide, 1 part of nano silver powder, 2 parts of copper, 1.2 parts of cerium, 0.8 part of composite plant essential oil and 7 parts of deionized water.
Further, the compound plant essential oil is basil essential oil, grape seed essential oil and lemon essential oil.
The embodiment also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1010 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Example 5:
the nanometer porcelain denture provided by the embodiment comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following raw materials in parts: 4.5 parts of titanium, 9 parts of manganese, 7.5 parts of iron, 2.8 parts of copper, 2.5 parts of zinc, 11.5 parts of molybdenum, 4.5 parts of rare earth, 6 parts of zirconium dioxide, 1.5 parts of strontium oxide and 7 parts of tin oxide, wherein the porcelain filler comprises the following raw materials in parts by weight: 2.8 parts of nano zirconia, 7 parts of nano titanium dioxide, 2.5 parts of nano hydroxyapatite, 4.5 parts of nano leucite, 1.8 parts of nano silicon dioxide, 1.5 parts of nano silver powder, 2.5 parts of copper, 1 part of cerium, 0.8 part of composite plant essential oil and 8 parts of deionized water.
Further, the compound plant essential oil is basil essential oil.
The embodiment also discloses a preparation method of the nano porcelain false tooth, which specifically comprises the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1020 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
Further, in step 3, when the porcelain filler material is added, the denture blank is compared with the preset denture requirement, and the appearance is repaired to be within 0.01 of the error of the preset denture blank.
After verification: according to the technical scheme, in the process of firing the nano porcelain false tooth, the false tooth blank is heated to about 1000-1020 ℃, the appearance and the details of the false tooth are repaired by continuously filling porcelain powder, Ag and Cu are added simultaneously, the comprehensive performance of the false tooth alloy is improved, the grain size inside the porcelain false tooth is improved, then the rare earth element Ce is added, the microstructure morphology of the false tooth alloy is improved, the expansion coefficient is adjusted, the surface performance is improved, after the nano porcelain false tooth is cooled, the central line, the tooth radian and the tooth surface of the nano porcelain false tooth are repaired by a needle sewing machine, so that the surface of the false tooth is smooth and glossy, and a user feels comfortable to wear.
Therefore, the invention has the advantages of improving the comprehensive performance of the denture alloy, the grain size inside the porcelain denture, the microstructure morphology of the denture alloy, adjusting the expansion coefficient and improving the surface performance, and repairing the midline, the tooth radian and the tooth surface of the nano porcelain denture to ensure that the surface of the denture is smooth and glossy, and finally the denture is more comfortable to wear by users.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A nanometer porcelain false tooth is characterized in that: the ceramic material comprises a metal base material positioned on an inner layer and a porcelain filler positioned on an outer layer, wherein the metal base material comprises the following components: titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide; the porcelain filler comprises the following components: nanometer zirconia, nanometer titanium dioxide, nanometer hydroxyapatite, nanometer leucite, nanometer silicon dioxide, nanometer silver powder, copper, cerium, composite plant essential oil and deionized water.
2. The nano-porcelain denture according to claim 1, wherein: the metal base material comprises the following raw materials in parts by weight: 3-5 parts of titanium, 6-10 parts of manganese, 5-8 parts of iron, 2-3 parts of copper, 1-3 parts of zinc, 10-12 parts of molybdenum, 3-5 parts of rare earth, 2-7 parts of zirconium dioxide, 1-2 parts of strontium oxide and 5-8 parts of tin oxide.
3. A nano-porcelain denture as claimed in claim 1 or 2, wherein: the porcelain filler comprises the following raw materials in parts by weight: 2-3 parts of nano zirconia, 4-8 parts of nano titanium dioxide, 1-3 parts of nano hydroxyapatite, 3-5 parts of nano leucite, 1-2 parts of nano silicon dioxide, 0.5-2 parts of nano silver powder, 1-3 parts of copper, 0.2-1.5 parts of cerium, 0.5-1 part of composite plant essential oil and 5-10 parts of deionized water.
4. The nano-porcelain denture according to claim 1, wherein: the metal base material comprises the following raw materials in parts by weight: 4 parts of titanium, 7 parts of manganese, 6 parts of iron, 2.5 parts of copper, 2 parts of zinc, 11 parts of molybdenum, 4 parts of rare earth, 3 parts of zirconium dioxide, 1.5 parts of strontium oxide and 6 parts of tin oxide.
5. The nano-porcelain denture according to claim 3, wherein: the porcelain filler comprises the following raw materials in parts by weight: 2 parts of nano zirconia, 5 parts of nano titanium dioxide, 2 parts of nano hydroxyapatite, 4 parts of nano leucite, 1 part of nano silicon dioxide, 1 part of nano silver powder, 2 parts of copper, 1 part of cerium, 0.8 part of composite plant essential oil and 6 parts of deionized water.
6. A nano-porcelain denture as claimed in claim 1 or 2, wherein: the compound plant essential oil is one or more of basil essential oil, bergamot essential oil, grape seed essential oil and lemon essential oil.
7. The preparation method of the nano porcelain false tooth is characterized by comprising the following steps:
step 1, firstly preparing a false tooth blank, putting titanium, manganese, iron, copper, zinc, molybdenum, rare earth, zirconium dioxide, strontium oxide and tin oxide into a grinding machine for grinding and mixing to obtain a composition A, then adding a binder and a proper amount of water into the composition A for mixing to obtain slurry, and sintering;
step 2, preparing a porcelain filler material, namely mixing nano zirconia, nano titanium dioxide, nano hydroxyapatite, nano leucite, nano silicon dioxide, composite plant essential oil and deionized water for later use;
step 3, in the process of sintering the denture blank, heating the denture blank to 1000-1020 ℃, continuously filling the porcelain filler prepared in the step 2 into the denture blank to repair the appearance and the details of the denture blank, simultaneously adding nano silver powder and copper to improve the comprehensive performance of the denture alloy and the grain size inside the porcelain denture, and then adding rare earth element cerium-Ce; finally obtaining the nano porcelain false tooth;
and 4, after the nano ceramic false tooth is cooled, repairing the central line, the tooth radian and the tooth surface of the nano ceramic false tooth through a sharp needle lathe.
8. The method for preparing a nano-porcelain denture as claimed in claim 7, wherein the heating temperature in step 3 is controlled at 1010 ℃.
9. The method for preparing a nano-sized porcelain denture according to claim 7, wherein the denture blank is compared with the preset denture requirement when the porcelain filler material is added in step 3, so that the appearance is restored to be within 0.01 of the error of the preset denture blank.
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