CN111658194A - Production process of oral implant porcelain tooth - Google Patents
Production process of oral implant porcelain tooth Download PDFInfo
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- CN111658194A CN111658194A CN202010563272.8A CN202010563272A CN111658194A CN 111658194 A CN111658194 A CN 111658194A CN 202010563272 A CN202010563272 A CN 202010563272A CN 111658194 A CN111658194 A CN 111658194A
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- Prior art keywords
- porcelain
- metal
- powder
- tooth
- crown
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- Pending
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- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 164
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000007943 implant Substances 0.000 title claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 140
- 239000002184 metal Substances 0.000 claims abstract description 140
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 claims abstract description 12
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims abstract description 12
- 229910003470 tongbaite Inorganic materials 0.000 claims abstract description 12
- ZNKMCMOJCDFGFT-UHFFFAOYSA-N gold titanium Chemical compound [Ti].[Au] ZNKMCMOJCDFGFT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910001258 titanium gold Inorganic materials 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 107
- 238000002156 mixing Methods 0.000 claims description 46
- 238000001816 cooling Methods 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 37
- 238000005498 polishing Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 32
- 239000003086 colorant Substances 0.000 claims description 30
- 238000005245 sintering Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000005266 casting Methods 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 238000005488 sandblasting Methods 0.000 claims description 20
- 210000004268 dentin Anatomy 0.000 claims description 19
- 238000000227 grinding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 11
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 10
- 239000011812 mixed powder Substances 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 10
- 239000010937 tungsten Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 210000001909 alveolar process Anatomy 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 210000000214 mouth Anatomy 0.000 description 21
- 239000000919 ceramic Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 14
- 238000007790 scraping Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
-
- 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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
-
- 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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0007—Production methods using sand blasting
-
- 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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0016—Production methods using ultrasonic or sonic machining process
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/047—Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/06—Titanium or titanium alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/10—Ceramics or glasses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
Abstract
The invention discloses a production process of an oral implant porcelain tooth, which comprises the following steps: s1, modifying: making a model of the impression obtained in the mouth of the patient; s2, wax shape preparation: the wax pattern is manufactured on the model, the thickness of the base wax pattern is proper, generally 1.5-1.2 mm, the surface of the base is blown with a spray gun to be bright, the edge is sealed, and the artificial tooth support clamping ring on the model is not changed and displaced after the wax pattern is finished. According to the invention, the metal crown is made of nickel-chromium alloy and titanium gold as main components, and the components of titanium boron, chromium carbide and the like are reasonably added, so that the overall strength of the porcelain tooth can be effectively increased by adopting a reasonable proportion, and the bonding strength between the porcelain layer and the alloy substrate is effectively enhanced while higher strength and toughness are ensured, so that the prepared porcelain tooth is difficult to damage, firm and long in service life.
Description
Technical Field
The invention relates to the technical field of oral implant correlation, in particular to a production process of an oral implant porcelain tooth.
Background
With the continuous development of scientific technology and the increasing living standard of people, the dental restorative material is more and more concerned by people. Wherein, the porcelain tooth is a restoration body made by combining low-melting porcelain and metal bottom material, has both the strength of metal and the beauty of porcelain, and is one of the most widely applied restoration bodies in the fixation and restoration of the oral cavity at present.
However, the existing production process conditions of the porcelain tooth are complex, the bonding strength between the porcelain layer of the prepared porcelain tooth and the alloy substrate is not enough, and the porcelain tooth is easy to crack, damage and the like in the long-time use process, so that the use is influenced.
Disclosure of Invention
The invention aims to provide a production process of an oral implant porcelain tooth, which aims to solve the problems that the existing production process conditions of the porcelain tooth are complex, the bonding strength between a porcelain layer and an alloy substrate of the prepared porcelain tooth is not enough, and the porcelain tooth is easy to crack, break and the like in the long-time use process, so that the use is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of an oral implant porcelain tooth comprises the following steps:
s1, modifying: making a model of the impression obtained in the mouth of the patient;
s2, wax shape preparation: the method comprises the following steps of (1) manufacturing a wax pattern on a model, wherein the thickness of a base support wax pattern is proper and is generally 1.5-1.2 mm, the surface of the base support is blown to be bright by a spray gun, the edge of the base support is sealed, and an artificial tooth support clamping ring on the model is free from changing and shifting after the wax pattern is formed;
s3, embedding: fixing the wax shape in an embedding ring, washing the wax shape with wax washing water, drying the wax shape by a rubber air gun to ensure that the surface of a casting channel is smooth, slowly pouring the mixed embedding powder liquid into the embedding ring, completely solidifying the embedding powder liquid, and transferring the embedding ring into a ring burning furnace to heat;
s4, casting: after the embedding ring is completely solidified and cooled, putting the embedding ring into a casting furnace, weighting the corresponding metal material according to the required weight, then melting at high temperature, injecting the molten metal solution into the embedding ring through a casting channel, cooling the model after heating, removing the embedding material after cooling to room temperature, and cutting off the casting channel to obtain the metal crown;
s5, gold turning, sand blasting: polishing the metal crown smoothly, uniformly polishing the surface of the metal crown in the same direction, wherein the metal crown cannot be polished in a crossed manner, and the metal neck edge and the substitute neck edge are polished in a moving manner; after polishing is finished, adjusting the pressure of a sand blasting machine, and adding alumina sand into the sand blasting machine for sand blasting;
s6, applying opaque, and sintering: cleaning the metal crown with clear water, cleaning the metal crown with an ultrasonic cleaner for 5 minutes, spraying and cleaning the metal crown with a steam engine, burning the metal crown to about 980 ℃ in a porcelain oven, cooling to room temperature, and adding opaque porcelain powder; then, applying shoulder porcelain powder to obtain the metal false tooth; sintering the metal denture to ensure that opaque and porcelain are sintered and porcelain powder is sintered;
s7, stacking porcelain, and sintering: sequentially coating dentin porcelain powder and transparent layer porcelain powder on the surface of the metal denture, drying and cooling; then sintering the metal denture to sinter the porcelain powder;
s8, turning porcelain, glazing: firstly, putting the sintered porcelain tooth on the abutment tooth to be tightly fit, checking and adjusting the two adjacent surfaces, and checking whether the bridge crown is tightly fit; then adjusting the occlusion relation, wherein the occlusion relation is 0.1-0.2 mm lower than the original occlusion relation under the condition of a position, the thickness of the porcelain is not less than 1mm, and the color accuracy is kept; mixing glaze powder with water, uniformly coating the mixture on the surface of a porcelain tooth, selecting and mixing corresponding colors according to a color matching plate, mixing the colors with special liquid and toner, adding the colors to the places with insufficient colors to make the colors consistent with the colors required by customers, predrying the mixture at a furnace mouth for 3 to 5 minutes, raising the temperature to 950 ℃ under the atmosphere, staying for about 1 minute, and then cooling.
S9, sintering and polishing: and sintering the glazed porcelain tooth to enable the glaze to be sintered on the surface of the porcelain tooth, grinding the sintered false tooth until the surface is smooth, and polishing the surface by using a velvet wheel and polishing wax to obtain a finished porcelain tooth product.
Preferably, in S2, the thickness of the base in the anterior area should be increased or decreased according to the fullness of the alveolar ridge, and the base in the posterior maxillary palatal edge should be slightly thinner to reduce the discomfort of the patient.
Preferably, in S4, the metal solution is prepared as follows:
preparing materials: 30-35 parts of nickel-chromium alloy, 15-20 parts of titanium, 8-10 parts of titanium boron, 4-6 parts of high manganese alloy, 4-7 parts of molybdenum, 4-6 parts of chromium carbide, 2-4 parts of tungsten and 1-3 parts of zirconium;
grinding: adding nickel-chromium alloy, titanium gold, titanium-boron, high manganese alloy, molybdenum, chromium carbide, tungsten and zirconium into a grinder, and grinding for 4-5 hours to obtain mixed powder;
crushing: crushing the mixed powder for 2-3 hours by using ultrasonic waves to obtain standby powder;
mixing: adding 60-80 parts of deionized water into the standby powder, and stirring and mixing for 10-15 minutes to obtain a mixture;
melting at high temperature: the mixture was heated to 1000 ℃ and 1300 ℃ to melt it to obtain a metal solution.
Preferably, in S5, the size of the metal after the initial polishing is similar to the finished metal, and the metal has the correct geometric shape, and the surface of the metal crown after polishing is a smooth curved surface without any sharp protrusions.
Preferably, in S6, when applying opaque ceramic powder, taking out a proper amount of opaque ceramic powder, placing the opaque ceramic powder on glass, adding special liquid for opaque to blend, coating a thin layer by using a pen, slightly vibrating to ensure that the ceramic powder is uniformly distributed on the metal crown surface, pre-drying in a porcelain oven for 4-5 minutes, burning to 940 ℃ and staying in the atmosphere for 1 minute, and cooling; then, a uniform layer is coated on the first layer opaque by using a pen to cover the metal, the thickness is 0.2mm, and the space of the upper dentin porcelain is not reduced; after coating, the mixture is put into a furnace mouth for predrying for 5 to 6 minutes, then is burnt to about 940 ℃, stays for 1 minute in the atmosphere and is cooled.
Preferably, in S6, when applying the shoulder porcelain powder, the shoulder porcelain powder is mixed with water, the edge of the shoulder tooth is coated with a separating agent, the edge of the metal crown and the edge of the abutment are attached, the shoulder porcelain powder is uniformly coated on the metal crown and the edge of the tooth, the vibration is gently increased and the water is absorbed, the excess part is scraped off by a surgical knife, and then the applied porcelain powder is gently swept by a writing brush.
Preferably, in S7, mixing the dentin ceramic powder with the mixed solution, smearing the mixed dentin ceramic powder on the surface of the metal denture, placing the mixture at a furnace mouth for predrying for 3-5 minutes, then burning the mixture to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling; and finally, mixing the transparent layer porcelain powder with the blending liquid, smearing the mixed transparent layer porcelain powder liquid on the surface of the metal denture, putting the metal denture in a furnace mouth for predrying for 3-5 minutes, then burning the metal denture to about 940 ℃, staying for 2 minutes in the atmosphere, and cooling.
The invention provides a production process of an oral implant porcelain tooth, which has the following beneficial effects:
(1) according to the invention, the metal crown is made of nickel-chromium alloy and titanium gold as main components, and the components of titanium boron, chromium carbide and the like are reasonably added, so that the overall strength of the porcelain tooth can be effectively increased by adopting a reasonable proportion, and the bonding strength between the porcelain layer and the alloy substrate is effectively enhanced while higher strength and toughness are ensured, so that the prepared porcelain tooth is difficult to damage, firm and long in service life.
(2) The preparation process has simple and easily controlled conditions, and the prepared porcelain tooth has good element stability, high safety and strong golden porcelain binding force, so that the porcelain tooth produced by the preparation process is attractive, durable and durable.
Detailed Description
Example 1:
a production process of an oral implant porcelain tooth comprises the following steps:
s1, modifying: making a model of the impression obtained in the mouth of the patient;
s2, wax shape preparation: the method comprises the following steps of (1) manufacturing a wax pattern on a model, wherein the thickness of a base support wax pattern is proper and is generally 1.5-1.2 mm, the surface of the base support is blown to be bright by a spray gun, the edge of the base support is sealed, and an artificial tooth support clamping ring on the model is free from changing and shifting after the wax pattern is formed; wherein, the thickness of the base support of the anterior dental zone should be properly increased or decreased according to the fullness of the alveolar ridge, and the base support of the rear edge of the maxillo-palatal side should be slightly thinner to reduce the discomfort of the patient;
s3, embedding: fixing the wax shape in an embedding ring, washing the wax shape with wax washing water, drying the wax shape by a rubber air gun to ensure that the surface of a casting channel is smooth, slowly pouring the mixed embedding powder liquid into the embedding ring, completely solidifying the embedding powder liquid, and transferring the embedding ring into a ring burning furnace to heat;
s4, casting: after the embedding ring is completely solidified and cooled, putting the embedding ring into a casting furnace, weighting the corresponding metal material according to the required weight, then melting at high temperature, injecting the molten metal solution into the embedding ring through a casting channel, cooling the model after heating, removing the embedding material after cooling to room temperature, and cutting off the casting channel to obtain the metal crown; the preparation method of the metal solution comprises the following steps:
preparing materials: 30 parts of nickel-chromium alloy, 15 parts of titanium gold, 8 parts of titanium boron, 4 parts of high manganese alloy, 4 parts of molybdenum, 4 parts of chromium carbide, 2 parts of tungsten and 1 part of zirconium;
grinding: adding nickel-chromium alloy, titanium gold, titanium-boron, high manganese alloy, molybdenum, chromium carbide, tungsten and zirconium into a grinder, and grinding for 4 hours to obtain mixed powder;
crushing: crushing the mixed powder for 2 hours by using ultrasonic waves to obtain standby powder;
mixing: adding 60 parts of deionized water into the standby powder, and stirring and mixing for 10 minutes to obtain a mixture;
melting at high temperature: heating the mixture to 1000 ℃ to melt the mixture to obtain a metal solution;
s5, gold turning, sand blasting: polishing the metal crown smoothly, uniformly polishing the surface of the metal crown in the same direction, wherein the metal crown cannot be polished in a crossed manner, and the metal neck edge and the substitute neck edge are polished in a moving manner; the shape size of the metal after the initial polishing is similar to the shape when the metal is finished, the metal has a correct geometric shape, the surface of the polished metal crown is a smooth curved surface, and no sharp bulge exists; after polishing is finished, adjusting the pressure of a sand blasting machine, and adding alumina sand into the sand blasting machine for sand blasting;
s6, applying opaque, and sintering: cleaning a metal crown with clear water, cleaning the metal crown by using a steam machine after 5 minutes of an ultrasonic cleaner, burning the metal crown to about 980 ℃ in a porcelain oven, then cooling to room temperature, applying opaque ceramic powder, taking out a proper amount of opaque ceramic powder, putting the opaque ceramic powder on glass, adding opaque special liquid for blending, coating a thin layer with a pen, lightly vibrating to ensure that the ceramic powder is uniformly distributed on the surface of the metal crown, then predrying for 4 minutes in the porcelain oven, burning to 940 ℃, staying for 1 minute in the atmosphere, and cooling; then, a uniform layer is coated on the first layer opaque by using a pen to cover the metal, the thickness is 0.2mm, and the space of the upper dentin porcelain is not reduced; after coating, placing the mixture in a furnace mouth for predrying for 5 minutes, then burning the mixture to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling; then, applying shoulder porcelain powder, mixing the shoulder porcelain powder with water, coating a separating agent on the tooth edge of the shoulder, attaching a metal crown and the edge of a support, uniformly coating the shoulder porcelain powder on the metal crown and the tooth edge, slightly vibrating and absorbing water, scraping redundant parts by using an operating knife, and then slightly sweeping the applied porcelain powder by using a writing brush to obtain the metal false tooth; sintering the metal denture to ensure that opaque and porcelain are sintered and porcelain powder is sintered;
s7, stacking porcelain, and sintering: firstly, mixing the dentin porcelain powder with a blending liquid, smearing the mixed dentin porcelain powder on the surface of the metal denture, putting the mixture at a furnace mouth for predrying for 3 minutes, then burning to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling; then mixing the transparent layer porcelain powder with the blending liquid, smearing the mixed transparent layer porcelain powder liquid on the surface of the metal denture, placing the metal denture at a furnace mouth for predrying for 3 minutes, then burning the metal denture to about 940 ℃, staying in the atmosphere for 2 minutes, drying and cooling; then sintering the metal denture to sinter the porcelain powder;
s8, turning porcelain, glazing: firstly, putting the sintered porcelain tooth on the abutment tooth to be tightly fit, checking and adjusting the two adjacent surfaces, and checking whether the bridge crown is tightly fit; then adjusting the occlusion relation, wherein the occlusion relation is 0.1mm lower than the original occlusion relation under the condition of a position, the thickness of the porcelain is not less than 1mm, and the color accuracy is required to be kept; mixing glaze powder with water, uniformly coating the mixture on the surface of a porcelain tooth, selecting and adjusting corresponding colors according to a color matching plate, using special liquid and toner to adjust the colors, adding the colors to the places with insufficient colors to enable the colors to be consistent with the colors required by customers, predrying the mixture at a furnace mouth for 3 minutes, raising the temperature to 950 ℃ under the atmosphere, staying for about 1 minute, and then cooling.
S9, sintering and polishing: and sintering the glazed porcelain tooth to enable the glaze to be sintered on the surface of the porcelain tooth, grinding the sintered false tooth until the surface is smooth, and polishing the surface by using a velvet wheel and polishing wax to obtain a finished porcelain tooth product.
Example 2:
a production process of an oral implant porcelain tooth comprises the following steps:
s1, modifying: making a model of the impression obtained in the mouth of the patient;
s2, wax shape preparation: the method comprises the following steps of (1) manufacturing a wax pattern on a model, wherein the thickness of a base support wax pattern is proper and is generally 1.5-1.2 mm, the surface of the base support is blown to be bright by a spray gun, the edge of the base support is sealed, and an artificial tooth support clamping ring on the model is free from changing and shifting after the wax pattern is formed; the thickness of the base support of the anterior dental zone is properly increased or decreased according to the fullness of the alveolar ridge, and the base support of the posterior maxillary palatal edge is slightly thinner so as to reduce the discomfort of the patient;
s3, embedding: fixing the wax shape in an embedding ring, washing the wax shape with wax washing water, drying the wax shape by a rubber air gun to ensure that the surface of a casting channel is smooth, slowly pouring the mixed embedding powder liquid into the embedding ring, completely solidifying the embedding powder liquid, and transferring the embedding ring into a ring burning furnace to heat;
s4, casting: after the embedding ring is completely solidified and cooled, putting the embedding ring into a casting furnace, weighting the corresponding metal material according to the required weight, then melting at high temperature, injecting the molten metal solution into the embedding ring through a casting channel, cooling the model after heating, removing the embedding material after cooling to room temperature, and cutting off the casting channel to obtain the metal crown; the preparation method of the metal solution comprises the following steps:
preparing materials: 33 parts of nickel-chromium alloy, 18 parts of titanium gold, 9 parts of titanium boron, 5 parts of high manganese alloy, 6 parts of molybdenum, 5 parts of chromium carbide, 3 parts of tungsten and 2 parts of zirconium;
grinding: adding nickel-chromium alloy, titanium gold, titanium-boron, high manganese alloy, molybdenum, chromium carbide, tungsten and zirconium into a grinder, and grinding for 5 hours to obtain mixed powder;
crushing: crushing the mixed powder for 3 hours by using ultrasonic waves to obtain standby powder;
mixing: adding 70 parts of deionized water into the standby powder, and stirring and mixing for 12 minutes to obtain a mixture;
melting at high temperature: heating the mixture to 1100 ℃, and melting the mixture to obtain a metal solution;
s5, gold turning, sand blasting: polishing the metal crown smoothly, uniformly polishing the surface of the metal crown in the same direction, wherein the metal crown cannot be polished in a crossed manner, and the metal neck edge and the substitute neck edge are polished in a moving manner; the shape size of the metal after the initial polishing is similar to the shape when the metal is finished, the metal has a correct geometric shape, the surface of the polished metal crown is a smooth curved surface, and no sharp bulge exists; after polishing is finished, adjusting the pressure of a sand blasting machine, and adding alumina sand into the sand blasting machine for sand blasting;
s6, applying opaque, and sintering: cleaning a metal crown with clear water, cleaning the metal crown by using a steam machine after 5 minutes of an ultrasonic cleaner, burning the metal crown to about 980 ℃ in a porcelain oven, then cooling to room temperature, applying opaque ceramic powder, taking out a proper amount of opaque ceramic powder, putting the opaque ceramic powder on glass, adding opaque special liquid for blending, coating a thin layer with a pen, lightly vibrating to ensure that the ceramic powder is uniformly distributed on the surface of the metal crown, then predrying for 5 minutes in the porcelain oven, burning to 940 ℃, staying for 1 minute in the atmosphere, and cooling; then, a uniform layer is coated on the first layer opaque by using a pen to cover the metal, the thickness is 0.2mm, and the space of the upper dentin porcelain is not reduced; after coating, putting the mixture in a furnace mouth for predrying for 6 minutes, then burning the mixture to about 940 ℃, staying for 1 minute in the atmosphere, then cooling, then applying shoulder porcelain powder, adjusting the shoulder porcelain powder and water when applying the shoulder porcelain powder, applying a separating agent on the tooth edge of the shoulder, pasting a metal crown and a support edge, uniformly applying the shoulder porcelain powder on the metal crown and the tooth edge, slightly vibrating and absorbing water, scraping redundant parts by using an operating knife, and then slightly sweeping the applied porcelain powder by using a writing brush to obtain the metal false tooth; sintering the metal denture to ensure that opaque and porcelain are sintered and porcelain powder is sintered;
s7, stacking porcelain, and sintering: sequentially coating dentin porcelain powder and transparent layer porcelain powder on the surface of a metal denture, firstly mixing the dentin porcelain powder with a mixing solution, coating the mixed dentin porcelain powder on the surface of the metal denture, placing the mixture at a furnace mouth for predrying for 3-5 minutes, then burning to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling; then mixing the transparent layer porcelain powder with the blending liquid, smearing the mixed transparent layer porcelain powder liquid on the surface of the metal denture, placing the metal denture at a furnace mouth for predrying for 3-5 minutes, then burning the metal denture to about 940 ℃, staying for 2 minutes in the atmosphere, and cooling; then sintering the metal denture to sinter the porcelain powder;
s8, turning porcelain, glazing: firstly, putting the sintered porcelain tooth on the abutment tooth to be tightly fit, checking and adjusting the two adjacent surfaces, and checking whether the bridge crown is tightly fit; then adjusting the occlusion relation, wherein the occlusion relation is 0.1-0.2 mm lower than the original occlusion relation under the condition of a position, the thickness of the porcelain is not less than 1mm, and the color accuracy is kept; mixing glaze powder with water, uniformly coating the mixture on the surface of a porcelain tooth, selecting and mixing corresponding colors according to a color matching plate, mixing the colors with special liquid and toner, adding the colors to the places with insufficient colors to make the colors consistent with the colors required by customers, predrying the mixture at a furnace mouth for 3 to 5 minutes, raising the temperature to 950 ℃ under the atmosphere, staying for about 1 minute, and then cooling.
S9, sintering and polishing: and sintering the glazed porcelain tooth to enable the glaze to be sintered on the surface of the porcelain tooth, grinding the sintered false tooth until the surface is smooth, and polishing the surface by using a velvet wheel and polishing wax to obtain a finished porcelain tooth product.
Example 3:
a production process of an oral implant porcelain tooth comprises the following steps:
s1, modifying: making a model of the impression obtained in the mouth of the patient;
s2, wax shape preparation: the method comprises the following steps of (1) manufacturing a wax pattern on a model, wherein the thickness of a base support wax pattern is proper and is generally 1.5-1.2 mm, the surface of the base support is blown to be bright by a spray gun, the edge of the base support is sealed, and an artificial tooth support clamping ring on the model is free from changing and shifting after the wax pattern is formed; the thickness of the base support of the anterior dental zone is properly increased or decreased according to the fullness of the alveolar ridge, and the base support of the posterior maxillary palatal edge is slightly thinner so as to reduce the discomfort of the patient;
s3, embedding: fixing the wax shape in an embedding ring, washing the wax shape with wax washing water, drying the wax shape by a rubber air gun to ensure that the surface of a casting channel is smooth, slowly pouring the mixed embedding powder liquid into the embedding ring, completely solidifying the embedding powder liquid, and transferring the embedding ring into a ring burning furnace to heat;
s4, casting: after the embedding ring is completely solidified and cooled, putting the embedding ring into a casting furnace, weighting the corresponding metal material according to the required weight, then melting at high temperature, injecting the molten metal solution into the embedding ring through a casting channel, cooling the model after heating, removing the embedding material after cooling to room temperature, and cutting off the casting channel to obtain the metal crown; the preparation method of the metal solution comprises the following steps:
preparing materials: 35 parts of nickel-chromium alloy, 20 parts of titanium gold, 10 parts of titanium boron, 6 parts of high manganese alloy, 7 parts of molybdenum, 6 parts of chromium carbide, 4 parts of tungsten and 3 parts of zirconium;
grinding: adding nickel-chromium alloy, titanium gold, titanium-boron, high manganese alloy, molybdenum, chromium carbide, tungsten and zirconium into a grinder, and grinding for 5 hours to obtain mixed powder;
crushing: crushing the mixed powder for 3 hours by using ultrasonic waves to obtain standby powder;
mixing: adding 80 parts of deionized water into the standby powder, and stirring and mixing for 15 minutes to obtain a mixture;
melting at high temperature: heating the mixture to 1300 ℃ to melt the mixture to prepare a metal solution;
s5, gold turning, sand blasting: polishing the metal crown smoothly, uniformly polishing the surface of the metal crown in the same direction, wherein the metal crown cannot be polished in a crossed manner, and the metal neck edge and the substitute neck edge are polished in a moving manner; the shape size of the metal after the initial polishing is similar to the shape when the metal is finished, the metal has a correct geometric shape, the surface of the polished metal crown is a smooth curved surface, and no sharp bulge exists; after polishing is finished, adjusting the pressure of a sand blasting machine, and adding alumina sand into the sand blasting machine for sand blasting;
s6, applying opaque, and sintering: cleaning a metal crown with clear water, cleaning the metal crown by using a steam machine after 5 minutes of an ultrasonic cleaner, burning the metal crown to about 980 ℃ in a porcelain oven, then cooling to room temperature, applying opaque ceramic powder, taking out a proper amount of opaque ceramic powder, putting the opaque ceramic powder on glass, adding opaque special liquid for blending, coating a thin layer with a pen, lightly vibrating to ensure that the ceramic powder is uniformly distributed on the surface of the metal crown, then predrying for 5 minutes in the porcelain oven, burning to 940 ℃, staying for 1 minute in the atmosphere, and cooling; then, a uniform layer is coated on the first layer opaque by using a pen to cover the metal, the thickness is 0.2mm, and the space of the upper dentin porcelain is not reduced; after coating, putting the mixture in a furnace mouth for predrying for 6 minutes, then burning the mixture to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling the mixture; then, applying shoulder porcelain powder, mixing the shoulder porcelain powder with water, coating a separating agent on the tooth edge of the shoulder, attaching a metal crown and the edge of a support, uniformly coating the shoulder porcelain powder on the metal crown and the tooth edge, slightly vibrating and absorbing water, scraping redundant parts by using an operating knife, and then slightly sweeping the applied porcelain powder by using a writing brush to obtain the metal false tooth; sintering the metal denture to ensure that opaque and porcelain are sintered and porcelain powder is sintered;
s7, stacking porcelain, and sintering: sequentially coating dentin porcelain powder and transparent layer porcelain powder on the surface of a metal denture, firstly mixing the dentin porcelain powder with a mixing solution, coating the mixed dentin porcelain powder on the surface of the metal denture, placing the mixture at a furnace mouth for predrying for 3-5 minutes, then burning to about 940 ℃, staying for 1 minute in the atmosphere, and then cooling; then mixing the transparent layer porcelain powder with the blending liquid, smearing the mixed transparent layer porcelain powder liquid on the surface of the metal denture, placing the metal denture at a furnace mouth for predrying for 3-5 minutes, then burning the metal denture to about 940 ℃, staying for 2 minutes in the atmosphere, and cooling; then sintering the metal denture to sinter the porcelain powder;
s8, turning porcelain, glazing: firstly, putting the sintered porcelain tooth on the abutment tooth to be tightly fit, checking and adjusting the two adjacent surfaces, and checking whether the bridge crown is tightly fit; then adjusting the occlusion relation, wherein the occlusion relation is 0.1-0.2 mm lower than the original occlusion relation under the condition of a position, the thickness of the porcelain is not less than 1mm, and the color accuracy is kept; mixing glaze powder with water, uniformly coating the mixture on the surface of a porcelain tooth, selecting and mixing corresponding colors according to a color matching plate, mixing the colors with special liquid and toner, adding the colors to the places with insufficient colors to make the colors consistent with the colors required by customers, predrying the mixture at a furnace mouth for 3 to 5 minutes, raising the temperature to 950 ℃ under the atmosphere, staying for about 1 minute, and then cooling.
S9, sintering and polishing: and sintering the glazed porcelain tooth to enable the glaze to be sintered on the surface of the porcelain tooth, grinding the sintered false tooth until the surface is smooth, and polishing the surface by using a velvet wheel and polishing wax to obtain a finished porcelain tooth product.
In summary, the following steps:
the preparation process has simple and easily-controlled conditions, and the prepared porcelain tooth has good element stability, high safety and strong binding force of the golden porcelain, and the porcelain tooth produced by the preparation process is beautiful, durable and durable.
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 (7)
1. A production process of an oral implant porcelain tooth is characterized by comprising the following steps:
s1, modifying: making a model of the impression obtained in the mouth of the patient;
s2, wax shape preparation: the method comprises the following steps of (1) manufacturing a wax pattern on a model, wherein the thickness of a base support wax pattern is proper and is generally 1.5-1.2 mm, the surface of the base support is blown to be bright by a spray gun, the edge of the base support is sealed, and an artificial tooth support clamping ring on the model is free from changing and shifting after the wax pattern is formed;
s3, embedding: fixing the wax shape in an embedding ring, washing the wax shape with wax washing water, drying the wax shape by a rubber air gun to ensure that the surface of a casting channel is smooth, slowly pouring the mixed embedding powder liquid into the embedding ring, completely solidifying the embedding powder liquid, and transferring the embedding ring into a ring burning furnace to heat;
s4, casting: after the embedding ring is completely solidified and cooled, putting the embedding ring into a casting furnace, weighting the corresponding metal material according to the required weight, then melting at high temperature, injecting the molten metal solution into the embedding ring through a casting channel, cooling the model after heating, removing the embedding material after cooling to room temperature, and cutting off the casting channel to obtain the metal crown;
s5, gold turning, sand blasting: polishing the metal crown smoothly, uniformly polishing the surface of the metal crown in the same direction, wherein the metal crown cannot be polished in a crossed manner, and the metal neck edge and the substitute neck edge are polished in a moving manner; after polishing is finished, adjusting the pressure of a sand blasting machine, and adding alumina sand into the sand blasting machine for sand blasting;
s6, applying opaque, and sintering: cleaning the metal crown with clear water, cleaning the metal crown with an ultrasonic cleaner for 5 minutes, spraying and cleaning the metal crown with a steam engine, burning the metal crown to about 980 ℃ in a porcelain oven, cooling to room temperature, and adding opaque porcelain powder; then, applying shoulder porcelain powder to obtain the metal false tooth; sintering the metal denture to ensure that opaque and porcelain are sintered and porcelain powder is sintered;
s7, stacking porcelain, and sintering: sequentially coating dentin porcelain powder and transparent layer porcelain powder on the surface of the metal denture, drying and cooling; then sintering the metal denture to sinter the porcelain powder;
s8, turning porcelain, glazing: firstly, putting the sintered porcelain tooth on the abutment tooth to be tightly fit, checking and adjusting the two adjacent surfaces, and checking whether the bridge crown is tightly fit; then adjusting the occlusion relation, wherein the occlusion relation is 0.1-0.2 mm lower than the original occlusion relation under the condition of a position, the thickness of the porcelain is not less than 1mm, and the color accuracy is kept; mixing glaze powder with water, uniformly coating the mixture on the surface of a porcelain tooth, selecting and mixing corresponding colors according to a color matching plate, mixing the colors with special liquid and toner, adding the colors to the places with insufficient colors to make the colors consistent with the colors required by customers, predrying the mixture at a furnace mouth for 3 to 5 minutes, raising the temperature to 950 ℃ under the atmosphere, staying for about 1 minute, and then cooling.
S9, sintering and polishing: and sintering the glazed porcelain tooth to enable the glaze to be sintered on the surface of the porcelain tooth, grinding the sintered false tooth until the surface is smooth, and polishing the surface by using a velvet wheel and polishing wax to obtain a finished porcelain tooth product.
2. The process of claim 1, wherein in step S2, the thickness of the base of the anterior dental area is increased or decreased according to the fullness of the alveolar ridge, and the thickness of the base of the posterior maxillary palatal edge is decreased to reduce the discomfort of the patient.
3. The process for producing oral implant porcelain teeth according to claim 1, wherein in 2.S4, the metal solution is prepared by the following steps:
preparing materials: 30-35 parts of nickel-chromium alloy, 15-20 parts of titanium, 8-10 parts of titanium boron, 4-6 parts of high manganese alloy, 4-7 parts of molybdenum, 4-6 parts of chromium carbide, 2-4 parts of tungsten and 1-3 parts of zirconium;
grinding: adding nickel-chromium alloy, titanium gold, titanium-boron, high manganese alloy, molybdenum, chromium carbide, tungsten and zirconium into a grinder, and grinding for 4-5 hours to obtain mixed powder;
crushing: crushing the mixed powder for 2-3 hours by using ultrasonic waves to obtain standby powder;
mixing: adding 60-80 parts of deionized water into the standby powder, and stirring and mixing for 10-15 minutes to obtain a mixture;
melting at high temperature: the mixture was heated to 1000 ℃ and 1300 ℃ to melt it to obtain a metal solution.
4. The process for producing an oral implant porcelain tooth according to claim 1, wherein in S5, the size of the metal after the initial grinding is similar to the finished shape, and has the correct geometric shape, and the surface of the metal crown after the grinding is a smooth curved surface without any sharp protrusions.
5. The process for producing an oral implant porcelain tooth according to claim 1, wherein in S6, when applying opaque porcelain powder, an appropriate amount of opaque porcelain powder is taken out and put on glass, and is blended with an opaque special liquid, a thin layer is coated by a pen, and is lightly vibrated to uniformly distribute the porcelain powder on the metal crown surface, and then the porcelain tooth is pre-dried in a porcelain oven for 4 to 5 minutes, is burned to 940 ℃ and stays in the atmosphere for 1 minute, and is cooled; then, a uniform layer is coated on the first layer opaque by using a pen to cover the metal, the thickness is 0.2mm, and the space of the upper dentin porcelain is not reduced; after coating, the mixture is put into a furnace mouth for predrying for 5 to 6 minutes, then is burnt to about 940 ℃, stays for 1 minute in the atmosphere and is cooled.
6. The process for producing an oral implant porcelain tooth according to claim 1, wherein in S6, when applying shoulder porcelain powder, the shoulder porcelain powder is mixed with water, a separating agent is applied to the edge of the shoulder tooth, the metal crown and the abutment edge are stuck, the shoulder porcelain powder is uniformly applied to the metal crown and the edge of the tooth, the metal crown and the edge of the tooth are gently shaken and water is absorbed, the excess part is scraped off with a surgical knife, and then the applied porcelain powder is gently brushed off with a writing brush.
7. The process for producing an oral implant porcelain tooth according to claim 1, wherein in S7, the dentin porcelain powder is mixed with the mixing liquid, the mixed dentin porcelain powder is coated on the surface of the metal denture, the metal denture is placed in a furnace mouth for predrying for 3-5 minutes, then is burnt to about 940 ℃, stays for 1 minute in the atmosphere, and then is cooled; and finally, mixing the transparent layer porcelain powder with the blending liquid, smearing the mixed transparent layer porcelain powder liquid on the surface of the metal denture, putting the metal denture in a furnace mouth for predrying for 3-5 minutes, then burning the metal denture to about 940 ℃, staying for 2 minutes in the atmosphere, and cooling.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114366361A (en) * | 2022-01-04 | 2022-04-19 | 北京劲松口腔医院投资管理有限公司 | Preparation process of porcelain tooth |
| KR102607246B1 (en) * | 2022-12-08 | 2023-11-29 | 신천호 | Metohd for obtaining scan data and system for obtaining scan data |
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| CN114366361A (en) * | 2022-01-04 | 2022-04-19 | 北京劲松口腔医院投资管理有限公司 | Preparation process of porcelain tooth |
| KR102607246B1 (en) * | 2022-12-08 | 2023-11-29 | 신천호 | Metohd for obtaining scan data and system for obtaining scan data |
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