CN105380724A - False tooth and manufacturing method thereof - Google Patents
False tooth and manufacturing method thereof Download PDFInfo
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- CN105380724A CN105380724A CN201510966772.5A CN201510966772A CN105380724A CN 105380724 A CN105380724 A CN 105380724A CN 201510966772 A CN201510966772 A CN 201510966772A CN 105380724 A CN105380724 A CN 105380724A
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- tooth
- enamel coating
- artificial tooth
- data
- interior hat
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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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
-
- 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
Abstract
The invention relates to a false tooth, and particularly discloses a false tooth and a manufacturing method thereof. The false tooth comprises an inner crown. The inner crown serves as a basic support. A basic structure of the false tooth is formed in a three-dimensional printing mode. The outermost side of the inner crown is wrapped by a dentin porcelain layer. The dentin porcelain layer is formed in the mode that porcelain powder is cut, ground and sintered on the outer surface of the inner crown through a zirconium oxide material. A paste body is arranged between the dentin porcelain layer and the inner crown, and a gap between the dentin porcelain layer and the inner crown is filled with the paste body. According to the zirconium-oxide all-porcelain tooth manufacturing method, the data collecting process, the data processing process and the like are carried out, an omni-directional three-dimensional scanning mode, a data transmission means and the like are adopted, a high definition tooth simulation and restoration image can be generated accordingly, the parameters of the manufactured false tooth are more accurate accordingly, and the false tooth is better attached to the oral cavity of the human body.
Description
Technical field
The present invention relates to a kind of artificial tooth, particularly relate to a kind of Zirconium oxide full-porcelain and preparation method thereof.
Background technology
Be applied in now artificial tooth clinically, in it, hat adopts nichrome material to make usually, this artificial tooth processing technology often need add beryllium element, because artificial tooth needs to bond in the oral cavity for a long time, but the beryllium element in Long Term Contact artificial tooth can be harmful, and some crowd, especially women, can produce anaphylaxis to nickel, gingiva is turned black, injury is healthy and attractive in appearance.If the artificial tooth inlayed in oral cavity is metallic ceramic crown, when needs do head x-ray, CT, nuclear magnetic resonance check, will be affected and even removes.The material of present making artificial tooth gets more and more, but if sinter bad or occur fortuitous event in sintering process, artificial tooth can be caused firm not, occur falling porcelain or other phenomenons.
Summary of the invention
The present invention is directed in prior art and fall porcelain or the shortcoming such as artificial tooth is insecure, provide a kind of artificial tooth and preparation method thereof.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of artificial tooth, comprise interior hat, described interior hat is as basic support, 3D is adopted to print the basic structure forming artificial tooth, interior hat outermost is coated with body enamel coating, described body enamel coating adopts porcelain powder to adopt zirconia material to make through cutting, grinding, sintering at interior hat outer surface, between body enamel coating and interior hat, be provided with body of paste, and body of paste is used for the space between obturator enamel coating and interior hat.The effect of mastic is: be used for fixing body enamel coating and interior hat, more precisely, to allow the more stable of body enamel coating and interior hat, both are allowed not easily to deform or to offset, if patient is when using artificial tooth, easily make artificial tooth occur than that row because dental articulation power is excessive, and the effect of mastic makes both positions more stable, can firm artificial tooth more.The artificial tooth of Zirconium oxide sintering: gingival edge is without black line, and without thick and heavy sense, without red swelling of gingiva bleeding, people can be allowed really to feel, and baking-ceramic tooth is from oneself gingiva borough chief out; The light transmission matched with dermal tooth, its natural in color, dummy is with healthy tooth one integrated mass; The comprcssive strength compared favourably with metal-porcelain, need not worry the phenomenon that porcelain bursts apart completely; Zirconium oxide is a kind of very outstanding high-tech biomaterial, good biocompatibility, is better than various metal alloy, and zirconium oxide is non-stimulated to gingiva, without anaphylaxis, be well suited for being applied to oral cavity, avoid the untoward reaction such as allergy, stimulation, corrosion that metal produces in oral cavity; Grind one's teeth in sleep less, retain the dental tissue of oneself to a greater degree; The artificial tooth inlayed in the oral cavity is metallic ceramic crown, when head x line, CT, nuclear magnetic resonance check will be done, will be affected and even remove, nonmetallic zirconium oxide to x line but without any stop, as long as be bumped into zirconium oxide baking-ceramic tooth, need not need artificial tooth of dismantling when head x line, CT, nuclear magnetic resonance check in the future, save a lot of trouble.
As preferably, described interior hat adopts the mixture of any one material in PEKK or PEEK or both materials.PEKK is the abbreviation of PEKK, there is the physical and chemical performances such as high temperature resistant, chemical resistance corrosion, it is a class crystalline polymers material, fusing point is greater than 300 DEG C, softening point 168 DEG C, hot strength 132 ~ 148MPa, can be used as high-temperature-resistant structure material and electrically insulating material, can prepare reinforcing material with glass fibre or carbon fiber compound.PEEK is the abbreviation of polyether-ether-ketone resin, it is a kind of special engineering plastics of excellent performance, compared with other special engineering plastics, there is more significant advantages, the characteristics such as resistance to positive high temperature 260 degree, mechanical performance are excellent, self lubricity is good, chemicals-resistant burn into is fire-retardant, peel resistance, and its stability is relatively good.When therefore adopting both PEKK or PEEK material respectively as inner crown material, due to characteristics such as both intensity are large, high temperature resistant, not easily there is deformation, and compared with being preced with in making with the material such as metal, people can be made to feel nature.
As preferably, the mass ratio of both PEKK and PEEK mixture is any ratio.Both are almost containing common chemical characteristic, and the phenomenon of resistance mutually can not occur for both, and therefore, both can adopt arbitrary proportion to mix.
As preferably, described body of paste is resin and ceramic mixture.Resin has good prospect as body of paste, easily grinds, the easily again advantage such as reparation little, attractive in appearance to the abrasion of tooth because it has; Cohesive force is strong, and mechanical strength is high.Owing to there being various polarity group in molecule, as hydroxyl (-OH) and ether (-O-).Due to the polarization of these groups, make molecular resin and adjacent object plane produce electromagnetic attraction, and epoxy radicals with form chemical bond containing the metal surface of active hydrogen and bond very firm, can generate chemical bond with glass surface especially, therefore, cohesive force is strong especially.Therefore, resin can bond with multiple material, has the title of " all-purpose adhesive ".Generate without micromolecule because of during solidification, so density is large, during solidification, shrinkage factor is low, and about 2%.Dimensionally stable, its croop property is lower than polyester, phenolic aldehyde.Corrosion resistance is good.Phenolic aldehyde, polyester are not alkaline-resisting, and resin is better alkaline-resisting, simultaneously good to the corrosion resistance of acid and organic solvent yet.Also can be acidproof when making firming agent with anhydride.Thermostability is better.Heat distortion temperature is higher than polyester.Particularly heat cured product, by changing firming agent, can increase substantially heat distortion temperature, some heat stability reach more than 250 DEG C, and molecular weight is larger, and heat stability is less.Good electrical insulating property.There is good electrical property at hyperfrequencies with in different temperatures scope DEG C, motor can make F class F insulating material F.Resistance to electric arc, resistance to surface leakage performance are good.That resin can complete outside oral cavity and simple to operate, directly can complete required shape or can directly fill.And the general hardness of ceramic material is higher, but plasticity is poor, because the viscosity of resin is higher, can become all-purpose adhesive, after therefore mixing with pottery, can play the advantage that both are respective.
As preferably, described resin and the mass ratio of pottery be arbitrarily than.Both according to demand, ratio can be any.
Make a method for the tooth of claim 1, comprise the following steps:
Step 1, need the tooth making artificial tooth to carry out data acquisition, the correction of three-dimensional parameter, and reduction obtains the tooth model of emulation to human body;
Step 2, the making of interior hat: according to the tooth model of the emulation of above-mentioned steps 1 gained, adopts 3D printing technique to produce the basic support of a tooth;
Step 3, the making of body enamel coating: be preced with structure in obtaining according to step 2, produce body enamel coating at its skin, this body enamel coating volume is greater than interior hat volume, body enamel coating adopts cutting and grinding device to carry out numerical control cutting to zirconia material, forms zirconium oxide body enamel coating structure;
Step 4, the filling of body of paste: by the mixture of potting resin between body enamel coating and interior hat with pottery, then entirety is sintered, form a complete structure.
As preferably, resin described is in step 4 both first mixed according to arbitrary proportion before filling with ceramic mixture, is then being filled by the mixture mixed.
As preferably, described step 1 comprises the following steps:
Step 1.1, when making tooth patient and not making ground or data acquisition ground at tooth, adopting takes pictures than colour correction mask gathers dental information, and by mobile phone by picture transmission to tooth producer; Also laser scanning device can be adopted to need the tooth making artificial tooth to carry out Non-contacting optical scanning to human body, obtain the three-dimensional parameter data of tooth;
Step 1.2, carries out correcting process by data correction software to the data obtained, then corrected digitalized data is reduced to emulated tooth model.
As preferably, in described step 1.2, described data correction software is well afterwards again to a kind of software that data are revised by data collection, work process is repeatedly read same the tooth data that described collection comes and repair, finally obtain the three-dimensional parameter data of one group of perfect tooth, make tooth according to final tooth measurements of the chest, waist and hips supplemental characteristic.
The present invention, owing to have employed above technical scheme, has significant technique effect:
The Zirconium oxide full-porcelain manufacture method that the present invention adopts, comprise data acquisition, the tooth emulation of high-resolution can be produced the processes such as the process of data and the means such as omnibearing 3-D scanning mode and data transmission go back original image, make the parameter making the artificial tooth obtained more accurate, human oral cavity of more fitting.
Artificial tooth provided by the invention, and be provided with body of paste between body enamel coating and interior hat, allow artificial tooth more firmly and the position of body enamel coating and interior hat the advantage such as to be more fixed, and whole artificial tooth adopts zirconia material, free from extraneous odour, does not have toxicity to human body, also gingival discoloration can not be made, and intensity is high; Any one material in interior hat employing PEKK or PEEK or the mixture of both materials, both materials are nontoxic, and fusing point is high, and intensity is large, makes artificial tooth not yielding.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is overall structure figure of the present invention.
Label declaration: 1-interior hat, 2-body enamel coating, 3-body of paste.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1:
A kind of artificial tooth, as shown in Figure 1, comprise interior hat 1, described interior hat 1 is as basic support, adopt 3D to print the basic structure forming artificial tooth, interior hat 1 outermost is coated with body enamel coating 2, and described body enamel coating 2 adopts porcelain powder to adopt zirconia material to make through cutting, grinding, sintering at interior hat 1 outer surface, between body enamel coating 2 and interior hat, be provided with body of paste 3, body of paste 3 is used for the space between obturator enamel coating 2 and interior hat 1.The effect of mastic 3 is: be used for fixing body enamel coating and interior hat, more precisely, to allow the more stable of body enamel coating and interior hat, both are allowed not easily to deform or to offset, if patient is when using artificial tooth, easily make artificial tooth occur than that row because dental articulation power is excessive, and the effect of mastic makes both positions more stable, can firm artificial tooth more.The artificial tooth of Zirconium oxide sintering: gingival edge is without black line, and without thick and heavy sense, without red swelling of gingiva bleeding, people can be allowed really to feel, and baking-ceramic tooth is from oneself gingiva borough chief out; The light transmission matched with dermal tooth, its natural in color, dummy is with healthy tooth one integrated mass; The comprcssive strength compared favourably with metal-porcelain, need not worry the phenomenon that porcelain bursts apart completely; Zirconium oxide is a kind of very outstanding high-tech biomaterial, good biocompatibility, is better than various metal alloy, and zirconium oxide is non-stimulated to gingiva, without anaphylaxis, be well suited for being applied to oral cavity, avoid the untoward reaction such as allergy, stimulation, corrosion that metal produces in oral cavity; Grind one's teeth in sleep less, retain the dental tissue of oneself to a greater degree; The artificial tooth inlayed in the oral cavity is metallic ceramic crown, when head x line, CT, nuclear magnetic resonance check will be done, will be affected and even remove, nonmetallic zirconium oxide to x line but without any stop, as long as be bumped into zirconium oxide baking-ceramic tooth, need not need artificial tooth of dismantling when head x line, CT, nuclear magnetic resonance check in the future, save a lot of trouble.
Described interior hat 1 adopts the mixture of any one material in PEKK or PEEK or both materials.PEKK is the abbreviation of PEKK, there is the physical and chemical performances such as high temperature resistant, chemical resistance corrosion, it is a class crystalline polymers material, fusing point is greater than 300 DEG C, softening point 168 DEG C, hot strength 132 ~ 148MPa, can be used as high-temperature-resistant structure material and electrically insulating material, can prepare reinforcing material with glass fibre or carbon fiber compound.PEEK is the abbreviation of polyether-ether-ketone resin, it is a kind of special engineering plastics of excellent performance, compared with other special engineering plastics, there is more significant advantages, the characteristics such as resistance to positive high temperature 260 degree, mechanical performance are excellent, self lubricity is good, chemicals-resistant burn into is fire-retardant, peel resistance, and its stability is relatively good.When therefore adopting both PEKK or PEEK material respectively as inner crown material, due to characteristics such as both intensity are large, high temperature resistant, not easily there is deformation, and compared with being preced with in making with the material such as metal, people can be made to feel nature.
The mass ratio of both PEKK and PEEK mixture is any ratio.Both are almost containing common chemical characteristic, and the phenomenon of resistance mutually can not occur for both, and therefore, both can adopt arbitrary proportion to mix.
Described body of paste is resin and ceramic mixture.Resin has good prospect as body of paste, easily grinds, the easily again advantage such as reparation little, attractive in appearance to the abrasion of tooth because it has; Cohesive force is strong, and mechanical strength is high.Owing to there being various polarity group in molecule, as hydroxyl (-OH) and ether (-O-).Due to the polarization of these groups, make molecular resin and adjacent object plane produce electromagnetic attraction, and epoxy radicals with form chemical bond containing the metal surface of active hydrogen and bond very firm, can generate chemical bond with glass surface especially, therefore, cohesive force is strong especially.Therefore, resin can bond with multiple material, has the title of " all-purpose adhesive ".Generate without micromolecule because of during solidification, so density is large, during solidification, shrinkage factor is low, and about 2%.Dimensionally stable, its croop property is lower than polyester, phenolic aldehyde.Corrosion resistance is good.Phenolic aldehyde, polyester are not alkaline-resisting, and resin is better alkaline-resisting, simultaneously good to the corrosion resistance of acid and organic solvent yet.Also can be acidproof when making firming agent with anhydride.Thermostability is better.Heat distortion temperature is higher than polyester.Particularly heat cured product, by changing firming agent, can increase substantially heat distortion temperature, some heat stability reach more than 250 DEG C, and molecular weight is larger, and heat stability is less.Good electrical insulating property.There is good electrical property at hyperfrequencies with in different temperatures scope DEG C, motor can make F class F insulating material F.Resistance to electric arc, resistance to surface leakage performance are good.That resin can complete outside oral cavity and simple to operate, directly can complete required shape or can directly fill.And the general hardness of ceramic material is higher, but plasticity is poor, because the viscosity of resin is higher, can become all-purpose adhesive, after therefore mixing with pottery, can play the advantage that both are respective.Described resin and the mass ratio of pottery be arbitrarily than.Both according to demand, ratio can be any.
Embodiment 2
Make a method for tooth, comprise the following steps:
Step 1, need the tooth making artificial tooth to carry out data acquisition, the correction of three-dimensional parameter, and reduction obtains the tooth model of emulation to human body;
Step 2, the making of interior hat 1: according to the tooth model of the emulation of above-mentioned steps 1 gained, adopts 3D printing technique to produce the basic support of a tooth;
Step 3, the making of body enamel coating 2: be preced with 1 structure in obtaining according to step 2, produce body enamel coating at its skin, this body enamel coating 2 volume is greater than interior hat 1 volume, body enamel coating adopts cutting and grinding device to carry out numerical control cutting to zirconia material, forms zirconium oxide body enamel coating 2 structure;
Step 4, the filling of body of paste 3: by the mixture of potting resin between body enamel coating and interior hat with pottery, then entirety is sintered, form a complete structure.
Resin described is in step 4 both first mixed according to arbitrary proportion before filling with the mixture of pottery, is then being filled by the mixture mixed.
Comprise the following steps in described step 1:
Step 1.1, when making tooth patient and not making ground or data acquisition ground at tooth, adopting takes pictures than colour correction mask gathers dental information, and by mobile phone by picture transmission to tooth producer; Also laser scanning device can be adopted to need the tooth making artificial tooth to carry out Non-contacting optical scanning to human body, obtain the three-dimensional parameter data of tooth;
Step 1.2, carries out correcting process by data correction software to the data obtained, then corrected digitalized data is reduced to emulated tooth model.
In step 1.2, described data correction software is well afterwards again to a kind of software that data are revised by data collection, work process is repeatedly read same the tooth data that described collection comes and repair, finally obtain the three-dimensional parameter data of one group of perfect tooth, make tooth according to final tooth measurements of the chest, waist and hips supplemental characteristic.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (9)
1. an artificial tooth, comprise interior hat (1), described interior hat (1) is as basic support, 3D is adopted to print the basic structure forming artificial tooth, interior hat (1) outermost is coated with body enamel coating (2), described body enamel coating (2) adopts porcelain powder to adopt zirconia material to make through cutting, grinding, sintering at interior hat (1) outer surface, it is characterized in that: between body enamel coating (2) and interior hat (1), be provided with body of paste (3), body of paste (3) is used for the space between obturator enamel coating (2) and interior hat (1).
2. a kind of artificial tooth according to claim 1, is characterized in that: any one material in described interior hat (1) employing PEKK or PEEK or the mixture of both materials.
3. a kind of artificial tooth according to claim 2, is characterized in that: the mass ratio of both PEKK and PEEK mixture is any ratio.
4. a kind of artificial tooth according to claim 1, is characterized in that: described body of paste (3) is resin and ceramic mixture.
5. a kind of artificial tooth according to claim 1, is characterized in that: the mass ratio of described resin and pottery for arbitrarily than.
6. make a method for the tooth of claim 1, it is characterized in that comprising the following steps:
Step 1, need the tooth making artificial tooth to carry out data acquisition, the correction of three-dimensional parameter, and reduction obtains the tooth model of emulation to human body;
Step 2, the making of interior hat: according to the tooth model of the emulation of above-mentioned steps 1 gained, adopts 3D printing technique to produce the basic support of a tooth;
Step 3, the making of body enamel coating: be preced with structure in obtaining according to step 2, produce body enamel coating at its skin, this body enamel coating volume is greater than interior hat volume, body enamel coating adopts cutting and grinding device to carry out numerical control cutting to zirconia material, forms zirconium oxide body enamel coating (2) structure;
Step 4, the filling of body of paste (3): by the mixture of potting resin between body enamel coating (2) and interior hat (1) with pottery, then entirety is sintered, form a complete structure.
7. a kind of artificial tooth manufacture method according to claim 6, is characterized in that: resin described is in step 4 both first mixed according to arbitrary proportion before filling with the mixture of pottery, is then being filled by the mixture mixed.
8. a kind of artificial tooth manufacture method according to claim 6, is characterized in that: described step 1 comprises the following steps:
Step 1.1, when making tooth patient and not making ground or data acquisition ground at tooth, adopting takes pictures than colour correction mask gathers dental information, and by mobile phone by picture transmission to tooth producer; Also laser scanning device can be adopted to need the tooth making artificial tooth to carry out Non-contacting optical scanning to human body, obtain the three-dimensional parameter data of tooth;
Step 1.2, carries out correcting process by data correction software to the data obtained, then corrected digitalized data is reduced to emulated tooth model.
9. a kind of artificial tooth manufacture method as claimed in claim 6, it is characterized in that, in described step 1.2, described data correction software is well afterwards again to a kind of software that data are revised by data collection, work process is repeatedly read same the tooth data that described collection comes and repair, finally obtain the three-dimensional parameter data of one group of perfect tooth, make tooth according to final tooth measurements of the chest, waist and hips supplemental characteristic.
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| CN201510966772.5A CN105380724A (en) | 2015-12-19 | 2015-12-19 | False tooth and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106388959A (en) * | 2016-09-12 | 2017-02-15 | 西安工业大学 | Preparation method of zirconia ceramic false teeth |
| CN107411835A (en) * | 2017-07-27 | 2017-12-01 | 河源市精鹰义齿技术有限公司 | A kind of 3D short-term trainings tooth makes and method |
| CN108309482A (en) * | 2018-01-24 | 2018-07-24 | 广西医科大学 | A kind of ultra-thin zirconium oxide prosthesis of high transparency |
| CN109223215A (en) * | 2018-08-28 | 2019-01-18 | 西安交通大学 | A kind of 3D method of polyether-ether-ketone/zirconium oxide composite material artificial tooth |
| CN109431818A (en) * | 2018-11-07 | 2019-03-08 | 南昌真桥齿研技术有限公司 | A kind of enhanced ceramic composite material artificial tooth and preparation method thereof |
| CN114983600A (en) * | 2021-03-02 | 2022-09-02 | 北京大学口腔医学院 | Composite material dental prosthesis and method for manufacturing same |
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| CN106388959A (en) * | 2016-09-12 | 2017-02-15 | 西安工业大学 | Preparation method of zirconia ceramic false teeth |
| CN107411835A (en) * | 2017-07-27 | 2017-12-01 | 河源市精鹰义齿技术有限公司 | A kind of 3D short-term trainings tooth makes and method |
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| CN114983600A (en) * | 2021-03-02 | 2022-09-02 | 北京大学口腔医学院 | Composite material dental prosthesis and method for manufacturing same |
| CN114983600B (en) * | 2021-03-02 | 2023-07-07 | 北京大学口腔医学院 | Composite dental restoration and method for producing same |
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