A kind of tooth and preparation method thereofTechnical field
The present invention relates to a kind of 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 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 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, and 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, body of paste is used for the space between obturator enamel coating and interior hat, and described body of paste is resin and ceramic mixture.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.
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.
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: 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 tooth, as shown in Figure 1, comprise interior hat 1, described interior hat 1 is as basic support, and adopt 3D to print the basic structure forming artificial tooth, interior hat 1 outermost is coated with body enamel coating, 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 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, and described body of paste 3 is resin and ceramic mixture.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 2 and interior hat 1, 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.
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 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 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 2 at its skin, this body enamel coating 2 volume is greater than the volume of interior hat 1, body enamel coating 2 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 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.
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.
Comprise the following steps in 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 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.
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.