CN113288482A - Dental prosthesis with fluorine-containing additive and method for manufacturing same - Google Patents
Dental prosthesis with fluorine-containing additive and method for manufacturing same Download PDFInfo
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- CN113288482A CN113288482A CN202110566314.8A CN202110566314A CN113288482A CN 113288482 A CN113288482 A CN 113288482A CN 202110566314 A CN202110566314 A CN 202110566314A CN 113288482 A CN113288482 A CN 113288482A
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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
- A61C13/09—Composite teeth, e.g. front and back section; Multilayer teeth
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Abstract
The present disclosure relates to a dental prosthesis having a fluorine-containing additive and a method of manufacturing the same, the fluorine-containing additive dental prosthesis comprising: including denture body and fill at the inside base member of denture body, denture body includes porcelain layer, nichrome layer and fluoride layer, and the porcelain layer forms in nichrome layer's outside, and the fluoride layer forms between porcelain layer and nichrome layer, and porcelain layer, nichrome layer and fluoride layer laminating set up. The artificial tooth body includes outermost porcelain layer, the hard intensity of porcelain layer material is big, use artificial tooth interlock in-process at the user, can bear bigger pressure, and, even wear the in-process for a long time, the porcelain layer takes place to corrode, when inside diffusion, the fluoride layer that forms at the porcelain layer inboard can play to this diffusion and block the inhibitory action, avoid pathological change to diffuse the inside of artificial tooth body, thereby avoid or delay the production of carious cavity, reach the effect that increases artificial tooth life.
Description
Technical Field
The present disclosure relates to the field of denture technology, and in particular, to an elastomeric denture with fluorine-containing additives and a method of making the same.
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.
With the development of technology and the increasing living standard, people pay more and more attention to oral health. Dentures, i.e., dentures that help a person chew when their natural teeth are missing. The traditional false tooth is worn and used for a long time, when the cleaning is not thorough, the traditional false tooth is easy to generate corrosive lesion, a carious cavity is formed on the tooth surface, the carious cavity is gradually enlarged, and then the tooth is damaged.
Disclosure of Invention
It is an object of the present disclosure to provide an elastomeric denture having a fluorine-containing additive and a method for manufacturing the same to solve the above-mentioned problems of the prior art.
In order to achieve the above objects, according to an aspect of the present disclosure, there is provided an elastic denture having a fluorine-containing additive, including a denture body and a base filled inside the denture body, wherein the denture body includes a porcelain layer, a nichrome layer and a fluoride layer, the porcelain layer is formed outside the nichrome layer, the fluoride layer is formed between the porcelain layer and the nichrome layer, and the porcelain layer, the nichrome layer and the fluoride layer are attached to each other.
Optionally, the fluoride layer comprises: the modified silicone rubber comprises a fluorine-containing silicone rubber modifier, vinyl polysiloxane, polysiloxane containing three or more than three Si-H groups, nano filler, a reinforcing agent and a catalyst.
Optionally, the fluoride layer is made from the following components in parts by weight:
5-15 parts of a fluorine-containing silicon rubber modifier and 45-80 parts of vinyl polysiloxane; 2-9 parts of polysiloxane with Si-H group; 5-20 parts of nano filler; 1-10 parts of a reinforcing agent; 0.5-5 parts of catalyst.
Optionally, the fluoride layer comprises: sodium monofluorophosphate powder and self-setting resin, wherein the fluoride layer is prepared from the following components in parts by weight: 1-3 parts of sodium monofluorophosphate powder and 5.5 parts of self-setting resin.
Optionally, a first adhesive layer is disposed on one side of the fluoride layer close to the porcelain layer, and a second adhesive layer is disposed on one side of the fluoride layer close to the nichrome layer.
Optionally, the adhesive layer is made of any one or more of polyvinyl alcohol, acrylamide polymer, polyethylene glycol, polyurethane, polyquaternium compound or polyvinylpyrrolidone.
Optionally, the porcelain layer is prepared from the following components in parts by weight:
comprises 10-45 parts by weight of zirconium dioxide ceramic powder, 0.5-1 part by weight of yttrium oxide and 25-90 parts by weight of silicon dioxide.
Optionally, the fluoride layer has a first surface close to the ceramic layer and a second surface close to the nichrome layer, the first surface is formed with a plurality of first grooves protruding away from the ceramic layer, one side of the ceramic layer close to the fluoride layer is formed with a plurality of first bumps arranged opposite to the first grooves, the first bumps are embedded in the corresponding first grooves, and the first bonding layer is arranged between the outer side walls of the first bumps and the inner side walls of the first grooves;
a plurality of second protruding blocks protruding towards the nichrome layer are formed on the second surface, a plurality of second concave grooves opposite to the second protruding blocks are formed in one side, close to the fluoride layer, of the nichrome layer, the second protruding blocks are embedded into the corresponding second concave grooves, and the second bonding layer is arranged between the outer side wall of the second protruding blocks and the inner side wall of the second concave grooves.
Optionally the fluoride layer is configured to: the thickness of the fluoride layer gradually increases along the direction from the edge of the fluoride layer to the middle of the fluoride layer.
According to another aspect of the present disclosure, there is also provided a method of manufacturing an elastomeric denture having a fluorine-containing additive, the method comprising:
according to the data such as the form, the size and the like of the dental arch of the patient, the data is imported into mold design software to manufacture a denture model;
filling the nichrome layer into a gypsum tooth cavity in the mould box, pressing casting wax into an upper gypsum cavity of the mould box, paving a cobalt-chromium alloy bracket in the gypsum cavity, closing the mould box, putting the mould box into water at 70-80 ℃, and keeping the temperature for 0.5-1 h; then heating to 100 ℃, keeping the temperature for 0.5h, then soaking the mold box in water, naturally cooling to 15-30 ℃, opening the mold box, and removing gypsum to obtain a semi-finished product of the denture;
adding sodium monofluorophosphate powder and self-setting resin into a mixing tank, and uniformly mixing the two materials by stirring to prepare a mixed solvent;
spraying the mixed solvent on the denture semi-finished product, standing for a period of time to evaporate water in the mixed solvent, so that the sodium monofluorophosphate powder is attached to the surface of the granular material to form a coating, namely a fluoride layer;
taking metal powder according to mass percent, adding the metal powder into a ball mill according to an equivalent increasing principle to perform ball milling and mixing to obtain a mixture; mixing the mixture with a binder to obtain homogeneous slurry;
spraying the slurry on the outer side of the coating, and then placing the denture semi-finished product in a porcelain furnace to finish sintering of a ceramic outer crown to obtain a denture finished product;
and finishing the outer surface of the finished denture product and performing disinfection treatment.
The technical scheme can at least achieve the following technical effects:
first, the artificial tooth body includes the outermost porcelain layer, the hard intensity of porcelain layer material is big, use the artificial tooth interlock in-process at the user, can bear bigger pressure, and, even in long-time wearing process, the porcelain layer takes place to corrode, when inside diffusion, the fluoride layer that forms at the porcelain layer inboard can play to this diffusion and block inhibitory action, avoid pathological change to diffuse the inside of artificial tooth body, thereby avoid or delay the production of carious cavity, reach the effect that increases artificial tooth life.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic cross-sectional view of a denture according to one embodiment of the present disclosure;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Description of the reference numerals
1-dentures; 10-a denture body; 20-a substrate; 30-a ceramic layer; a 40-nichrome layer; a 50-fluoride layer; 510-a first groove; 520-second bump.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the terms of orientation such as "inside and outside" are used to refer to "inside and outside" of the denture body structure without the contrary explanation, and the terms "first", "second", etc. used in the embodiments of the present disclosure are used to distinguish one element from another element without order and importance.
Referring to fig. 1 to 2, in order to improve corrosion resistance of the denture 1 and prevent or suppress the generation of cavities in the denture 1, according to one aspect of the present disclosure, there is provided an elastic denture having a fluorine-containing additive, including a denture body 10 and a base 20 filled inside the denture body 10, the denture body 10 including a porcelain layer 30, a nichrome layer 40, and a fluoride layer 50, the porcelain layer 30 being formed outside the nichrome layer 40, the fluoride layer 50 being formed between the porcelain layer 30 and the nichrome layer 40, the porcelain layer 30, the nichrome layer 40, and the fluoride layer 50 being attached.
The technical scheme can at least achieve the following technical effects:
first, the denture body 10 includes the outermost porcelain layer 30, the porcelain layer 30 is hard and strong in strength, and in the process of using the denture 1 to bite by the user, the denture body can bear larger pressure, and even in the long-time wearing process, the porcelain layer 30 corrodes, when diffusing to the inside, the fluoride layer 50 formed on the inner side of the porcelain layer 30 can play a role in blocking and inhibiting the diffusion, and prevent the pathological changes from diffusing to the inside of the denture body 10, thereby preventing or delaying the generation of caries, and achieving the effect of prolonging the service life of the denture 1.
In one embodiment provided by the present disclosure, the nichrome layer 40 may include: vita porcelain powder, hercules porcelain powder, pine wind porcelain powder, Dengshi cypress porcelain powder and a nichrome base material, wherein the nichrome base material can be nichrome or nichrome titanium, the above materials are mixed, and the above nichrome layer 40 is prepared through the steps of electrophoretic deposition, baking and the like.
In another embodiment provided by the present disclosure, the nichrome layer 40 may include: nichrome, titanium gold, titanium boron, high manganese alloy, molybdenum, chromium carbide, tungsten, zirconium, which are ground, mixed, and subjected to heating, baking, etc. to obtain the nichrome layer 40.
Optionally, the fluoride layer 50 includes: the modified silicone rubber comprises a fluorine-containing silicone rubber modifier, vinyl polysiloxane, polysiloxane containing three or more than three Si-H groups, nano filler, a reinforcing agent and a catalyst.
Optionally, the fluoride layer 50 is made of the following components in parts by weight:
5-15 parts of a fluorine-containing silicon rubber modifier and 45-80 parts of vinyl polysiloxane; 2-9 parts of polysiloxane with Si-H group; 5-20 parts of nano filler; 1-10 parts of a reinforcing agent; 0.5-5 parts of catalyst.
Optionally, the fluoride layer 50 includes: sodium monofluorophosphate powder, self-setting resin and a fluoride layer 50 are prepared from the following components in parts by weight: 1-3 parts of sodium monofluorophosphate powder and 5.5 parts of self-setting resin.
Optionally, a first adhesive layer is disposed on a side of the fluoride layer 50 adjacent to the porcelain layer 30, and a second adhesive layer is disposed on a side of the fluoride layer 50 adjacent to the nichrome layer 40. One side of the first bonding layer is bonded on the fluoride layer 50, the other side of the first bonding layer is bonded on the porcelain layer 30, one side of the second bonding layer is bonded on the nichrome layer 40, and the other side of the second bonding layer is bonded on the fluoride layer 50, so that the porcelain layer 30, the fluoride layer 50 and the nichrome layer 40 are sequentially bonded and fixed from top to bottom through the first bonding layer and the second bonding layer, and the cooperation among the porcelain layer 30, the fluoride layer 50 and the nichrome layer 40 is more stable, the porcelain layer 30, the fluoride layer 50 and the nichrome layer 40 are connected into a whole, the biting force during chewing is shared, the overall strength of the denture 1 is improved, and the service life of the denture 1 is further prolonged.
Optionally, the adhesive layer is made of any one or more of polyvinyl alcohol, acrylamide polymer, polyethylene glycol, polyurethane, polyquaternium compound, or polyvinylpyrrolidone.
Optionally, the porcelain layer 30 is made of the following components in parts by weight:
comprises 10-45 parts by weight of zirconium dioxide ceramic powder, 0.5-1 part by weight of yttrium oxide and 25-90 parts by weight of silicon dioxide.
Zirconium dioxide, as a material for making the porcelain layer 30, has the following advantages:
the color and luster degree is natural; compared with the color of the traditional porcelain tooth, the zirconium dioxide porcelain tooth has natural and smooth color, vivid appearance and strong transparency.
The biocompatibility is good; the dental cream has no stimulation and anaphylactic reaction to gum, does not form gum black line, is very suitable for being applied to oral cavity, and avoids the bad stimulation such as allergy, stimulation, corrosion and the like generated in the oral cavity by the traditional metal porcelain tooth.
The strength and hardness of the tooth body are high; the tooth body is firmer due to the super-strong cracking resistance and the tough solidification performance after cracking.
The precision is high, and the edge sealing performance is good; the zirconium dioxide porcelain tooth ensures the accuracy and excellent edge tightness of the inner crown of the mold, so that the prepared porcelain tooth is very attached to the abutment in the mouth of a patient.
As shown in fig. 2, in an embodiment provided by the present disclosure, optionally, the fluoride layer 50 has a first surface close to the ceramic layer 30 and a second surface close to the nichrome layer 40, the first surface is formed with a plurality of first grooves protruding from the ceramic layer 30, one side of the ceramic layer 30 close to the fluoride layer 50 is formed with a plurality of first bumps opposite to the first grooves, the first bumps are embedded in the corresponding first grooves, and the first adhesive layer is disposed between outer sidewalls of the first bumps and inner sidewalls of the first grooves;
a plurality of second protrusions 520 protruding toward the nichrome layer 40 are formed on the second surface, a plurality of second concave grooves opposite to the second protrusions 520 are formed on one side of the nichrome layer 40 close to the fluoride layer 50, the second protrusions 520 are embedded in the corresponding second concave grooves, and the second adhesive layer is disposed between the outer side wall of the second protrusions 520 and the inner side wall of the second concave grooves. That is to say, the fluoride layer 50 is disposed between the porcelain layer 30 and the nichrome layer 40 in a rugged manner, so that on one hand, the contact area between the fluoride layer 50 and the porcelain layer 30 and the nichrome layer 40 can be increased, the protection area for the porcelain layer 30 and the nichrome layer 40 is larger, the protection effect is better, on the other hand, a first groove is disposed in a protruding manner away from the porcelain layer 30, and a first protruding block formed on the porcelain layer 30 and disposed opposite to the first groove is embedded in the first groove, so that the position relationship between the porcelain layer 30 and the fluoride layer 50 can be further limited and fixed, and the fixing between the porcelain layer 30 and the fluoride layer 50 is facilitated in the production and manufacturing process of the denture body 10; similarly, one side of the nichrome layer 40 close to the fluoride layer 50 is formed with a plurality of second concave grooves arranged opposite to the second convex blocks 520, a plurality of second convex blocks 520 protruding towards the nichrome layer 40 are formed on the second surface of the fluoride layer 50, the second convex blocks 520 are embedded into the second concave grooves, the position relation between the porcelain layer 30 and the nichrome layer 40 is limited and fixed, and the porcelain layer 30 and the fluoride layer 50 are fixed conveniently in the production and manufacturing process of the denture body 10.
And, the first adhesive layer is set up between the outside wall of the first lobe block and the inside wall of the first recess, in this way, can increase the area of contact between first adhesive layer and porcelain layer 30 and fluoride layer 50, thus promote the adhesive strength between first adhesive layer to porcelain layer 30 and fluoride layer 50, likewise, the second adhesive layer is set up between the outside wall of the second lobe block 520 and the inside wall of the second depressed slot, in this way, can increase the area of contact between second adhesive layer and fluoride layer 50 and nichrome layer 40, promote the wholeness of denture body 10.
In the present disclosure, in order to further improve the corrosion resistance of the porcelain layer 30, a glaze layer is further provided on the outer circumferential surface of the porcelain layer 30, and the thickness of the glaze layer is 0.2 to 0.45 mm.
Optionally the fluoride layer 50 is configured to: the thickness of the fluoride layer 50 gradually increases in a direction from the edge of the fluoride layer 50 to the middle of the fluoride layer 50. It is known that food residues are easily remained at the alveolar part of the denture 1 during the use of the denture 1, food residues accumulate in deep sulcus of the alveolar part for a long time, are not easily removed, and provide living conditions and energy for bacteria over a long time, sugar generates organic acid after fermentation during the metabolism of bacteria, which causes enamel destruction, some bacteria dissolve protein, thereby causing caries, that is, in the middle region of the denture body 10, which is the region where food residues are most easily accumulated and caries are generated, therefore, in the present disclosure, the fluoride layer 50 is arranged to be gradually increased in thickness along the edge to center direction, so that bacteria are less likely to cross the middle region where the thickness of the fluoride layer 50 is greater during the inward corrosion from the outer surface of the denture body 10, further improving the corrosion resistance of the denture 1, the generation of the cavity is avoided or inhibited, and the purpose of prolonging the service life of the denture body 10 is realized.
According to another aspect of the present disclosure, there is also provided a method of manufacturing an elastomeric denture having a fluorine-containing additive, the method comprising:
according to the data such as the form, the size and the like of the dental arch of the patient, the data is imported into mold design software to manufacture a denture model;
filling the nichrome layer 40 into a gypsum tooth cavity in the mould box, pressing casting wax into an upper gypsum cavity of the mould box, paving a cobalt-chromium alloy bracket in the gypsum cavity, closing the mould box, putting the mould box into water at 70-80 ℃, and keeping the temperature for 0.5-1 h; then heating to 100 ℃, keeping the temperature for 0.5h, then soaking the mold box in water, naturally cooling to 15-30 ℃, opening the mold box, and removing gypsum to obtain a semi-finished product of the denture;
adding sodium monofluorophosphate powder and self-setting resin into a mixing tank, and uniformly mixing the two materials by stirring to prepare a mixed solvent;
spraying the mixed solvent on the denture semi-finished product, standing for a period of time to evaporate water in the mixed solvent, so that the sodium monofluorophosphate powder is attached to the surface of the granule to form a coating, namely a fluoride layer 50;
taking metal powder according to mass percent, adding the metal powder into a ball mill according to an equivalent increasing principle to perform ball milling and mixing to obtain a mixture; mixing the mixture with a binder to obtain homogeneous slurry;
spraying the slurry on the outer side of the coating, and then placing the denture semi-finished product in a porcelain furnace to finish sintering of the ceramic outer crown to obtain a denture finished product;
and finishing the outer surface of the finished denture and sterilizing.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The elastic denture with the fluorine-containing additive is characterized by comprising a denture body (10) and a base body (20) filled in the denture body (10), wherein the denture body (10) comprises a porcelain layer (30), a nickel-chromium alloy layer (40) and a fluoride layer (50), the porcelain layer (30) is formed outside the nickel-chromium alloy layer (40), the fluoride layer (50) is formed between the porcelain layer (30) and the nickel-chromium alloy layer (40), and the porcelain layer (30), the nickel-chromium alloy layer (40) and the fluoride layer (50) are attached to each other.
2. The fluorine-containing additive elastomeric denture of claim 1, wherein said fluoride layer (50) comprises: the modified silicone rubber comprises a fluorine-containing silicone rubber modifier, vinyl polysiloxane, polysiloxane containing three or more than three Si-H groups, nano filler, a reinforcing agent and a catalyst.
3. The fluorine-containing additive elastomeric denture of claim 2, wherein said fluoride layer (50) is made from the following components in parts by weight:
5-15 parts of a fluorine-containing silicon rubber modifier and 45-80 parts of vinyl polysiloxane; 2-9 parts of polysiloxane with Si-H group; 5-20 parts of nano filler; 1-10 parts of a reinforcing agent; 0.5-5 parts of catalyst.
4. The fluorine-containing additive elastomeric denture of claim 1, wherein said fluoride layer (50) comprises: sodium monofluorophosphate powder and self-setting resin, wherein the fluoride layer (50) is prepared from the following components in parts by weight: 1-3 parts of sodium monofluorophosphate powder and 5.5 parts of self-setting resin.
5. A fluorine-containing additive elastomeric denture according to any one of claims 1 to 4, wherein a side of the fluoride layer (50) adjacent to the porcelain layer (30) is provided with a first adhesive layer, and a side of the fluoride adjacent to the nichrome layer (40) is provided with a second adhesive layer.
6. A fluorine-containing additive elastomeric denture according to claim 5, wherein said adhesive layer is made of any one or more of polyvinyl alcohol, acrylamide polymer, polyethylene glycol, polyurethane, polyquaternium or polyvinylpyrrolidone.
7. The fluorine-containing additive elastomeric denture according to any one of claims 1 to 4, wherein the porcelain layer (30) is made from the following components in parts by weight:
comprises 10-45 parts by weight of zirconium dioxide ceramic powder, 0.5-1 part by weight of yttrium oxide and 25-90 parts by weight of silicon dioxide.
8. The fluorine-containing additive elastomeric denture according to claim 5, wherein the fluoride layer (50) has a first face adjacent to the porcelain layer (30) and a second face adjacent to the nichrome layer (40), the first face having a plurality of first grooves (510) formed thereon and protruding away from the porcelain layer (30), a side of the porcelain layer (30) adjacent to the fluoride layer (50) having a plurality of first projections formed thereon and disposed opposite to the first grooves (510), the first projections being embedded in the corresponding first grooves (510), the first adhesive layer being disposed between outer sidewalls of the first projections and inner sidewalls of the first grooves (510);
a plurality of second bumps (520) protruding towards the nichrome layer (40) are formed on the second surface, a plurality of second concave grooves opposite to the second bumps (520) are formed on one side, close to the fluoride layer (50), of the nichrome layer (40), the second bumps (520) are embedded into the corresponding second concave grooves, and the second bonding layer is arranged between the outer side wall of the second bumps (520) and the inner side wall of the second concave grooves.
9. The fluorine-containing additive elastomeric denture of any one of claims 1 to 4, wherein the fluoride layer (50) is configured to: the thickness of the fluoride layer (50) is gradually increased along the direction from the edge of the fluoride layer (50) to the middle of the fluoride layer (50).
10. A method of manufacturing an elastomeric denture having a fluorine-containing additive, the method comprising:
according to the data such as the form, the size and the like of the dental arch of the patient, the data is imported into mold design software to manufacture a denture model;
filling a nichrome layer (40) into a gypsum tooth cavity in a mould box, pressing casting wax into an upper gypsum cavity of the mould box, paving a cobalt-chromium alloy bracket in the gypsum cavity, closing the mould box, putting the mould box into water at 70-80 ℃, and keeping the temperature for 0.5-1 h; then heating to 100 ℃, keeping the temperature for 0.5h, then soaking the mold box in water, naturally cooling to 15-30 ℃, opening the mold box, and removing gypsum to obtain a semi-finished product of the denture;
adding sodium monofluorophosphate powder and self-setting resin into a mixing tank, and uniformly mixing the two materials by stirring to prepare a mixed solvent;
spraying the mixed solvent on the denture semi-finished product, standing for a period of time to evaporate water in the mixed solvent, so that the sodium monofluorophosphate powder is attached to the surface of the granular material to form a layer of coating, namely a fluoride layer (50);
taking metal powder according to mass percent, adding the metal powder into a ball mill according to an equivalent increasing principle to perform ball milling and mixing to obtain a mixture; mixing the mixture with a binder to obtain homogeneous slurry;
spraying the slurry on the outer side of the coating, and then placing the denture semi-finished product in a porcelain furnace to finish sintering of a ceramic outer crown to obtain a denture finished product;
and finishing the outer surface of the finished denture product and performing disinfection treatment.
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