Summary of the invention
In view of this, the invention reside in the processing method that a kind of porcelain tooth veneer is provided, use this processing side
The thickness of method obtained porcelain tooth veneer is less.
The processing method of a kind of porcelain tooth veneer, comprises the following steps:
There is provided abutment die, with described abutment die casting refractory and make its sinter molding obtain work
Make model;
At the surface-coated porcelain bisque of described work model, then make described porcelain bisque sinter molding, obtain
Porcelain tooth veneer, and insert is provided;
Described porcelain tooth veneer is made to combine with insert.
Further, the temperature of the casting of described refractory material is 20~25 DEG C.
Further, described in make the temperature of casting refractory sinter molding be 1000~1050 DEG C,
The time making casting refractory sinter molding is 1~5 minute.
Further, the temperature of described porcelain powder sintering molding is 500~910 DEG C, described porcelain powder sintering
The time of molding is the 30--60 second.
Further, the thickness of described porcelain bisque is the thinnest for 0.1mm, and weight is the gentliest 0.04 gram
Further, described offer insert is particularly as follows: inlay in the surface-coated of described work model
Thing predecessor, re-sinters described insert predecessor.
Further, described insert is particularly as follows: before the surface-coated insert of described porcelain tooth veneer
Drive thing, re-sinter described insert predecessor.
Further, make the mode that described porcelain tooth veneer and insert combine for using binding agent to enter described in
Row bonding.
Further, the temperature being sintered described patterned layer is 500~910 DEG C, sintering time
Between be 30~60 seconds.
Further, after described porcelain bisque sinter molding, make described porcelain tooth veneer that insert is set
Also included before Ceng tooth veneer is polished.
Further, described porcelain tooth veneer is made also to include glazing before combining with insert.
The processing method of the porcelain tooth veneer of the present invention, by the surface-coated porcelain bisque at work model,
Make described porcelain bisque sinter molding again, so make obtained porcelain tooth veneer have less thickness;
Make described porcelain tooth veneer and insert combine, take to be that middle part hides color maneuver, not only hide color but also various individual character
Change and select, the decorative effect of porcelain tooth veneer can be strengthened.It addition, the processing method of the present invention is obtained
Porcelain tooth veneer is All-ceramic material, it is to avoid because of the allergic problem caused containing impurity material.
Detailed description of the invention
For the ease of understanding the present invention, close embodiment below and further illustrate the technical side of the present invention
Case.
The processing method of the porcelain tooth veneer of the present invention, comprises the following steps:
There is provided abutment die, with described abutment die casting refractory and make its sinter molding obtain work
Make model;
At the surface-coated porcelain bisque of described work model, then make described porcelain bisque sinter molding, obtain
Porcelain tooth veneer, and insert is provided;
Described porcelain tooth veneer is made to combine with insert.
Above-mentioned abutment die refers to the die made by the shape according to abutment and structure.Art technology
Personnel are known, abutment refer to treat tooth that beauty treatment repairs through the part remained by polishing, herein
Polishing is (such as tooth cavity part, tooth occur to remove the unsightly part of tooth that treating that beauty treatment repairs
The parts such as Huang, black, the dental caries of tooth), in other words, abutment is also used to wear the tooth of porcelain tooth veneer
Part.
Abutment die, can use method well known in the art, not limit at this.Now list a kind of real
Existing mode, including two steps: the first step is impression taking in oral cavity, to obtain the form of tooth.Take
The concrete operations of die are the most known to those skilled in the art, therefore the most illustratively.Die
Suitable impression tray is selected before operation, i.e. according to form, length, width and the height of patient's denture,
Select the finished product dentition impression pallet of suitable size.Pallet is placed in patient's mouth, checks the suitable of pallet
Conjunction situation.Pallet has 3~4mm gaps, to accommodate impression material with outside in dental arch and alveolar bone.
The remote middle edge of maxillary support disc should cover maxillary tuberosity and vibrating line, and lower jaw pallet trailing edge should cover grinds one's teeth in sleep
Hou Dian district.The lip cheek-tongue side edge of a wing of pallet should away from mucosa invagination at the bottom of lip buccal side vestibule ditch and tongue side port about
2mm, avoids lip cheek lingual frenum, does not hinder the activity of lip, cheek and tongue.Pallet can be carried out if desired
Suitable amendment.Patient is allowed to practise lifting tongue and the border molding action such as loll during examination pallet.Impression taking is grasped
When making, it is first according to the powder water proportion requirement of impression material.Tune is mixed modeling composition and is placed in impression tray,
Patient's left hand is held mouth mirror and is retracted patient's bicker, and the right hand holds pallet.Quickly rotate and put into patient's mouth and make
Pallet is in place, after then pallet is the most in place in mouth, completes die edge merit before modeling composition solidifies
Whole can mould action.When taking maxillary impression, tractive patient upper lip is downward gently, and buccal, tractive left and right is downward
In before, complete lip buccal side border molding.When taking lower impression, tractive lower lip is upwards gently, and tractive is left
Right buccal, in going forward, completes lip buccal side border molding.Allow patient lift tongue and to loll, complete a mouthful base
Edge is whole to be moulded.Keep tray position stable during whole moulding, it is to avoid mobile, until modeling composition is the most solidifying
Gu.Finally, after modeling composition solidifies completely, tilting pallet gently, make die dislocate, then rotate torr
Dish takes out in mouth.Die should be avoided violence when taking out, it is to avoid excessively tilting pallet, in order to avoid torr
Dish and die deformation, or the modeling composition demoulding, it is to avoid pallet collides with to jaw tooth or soft tissue injury.Die
Impression quality is checked after taking out in mouth.Dentition impression should obtain the completeness of denture and surrounding tissue
State, stamp surfaces and edge are complete, N/D and bubble, smooth surface, clear, without deformation or de-
Mould phenomenon.Here, impression material can use material generally in the art, as alginic acid salt impression material,
Agar class impression material, silicone rubber kinds impression material.Silicone rubber kinds impression material can use again polycondensation class
Silicone rubber, addition polymerization class silicone rubber, polyether rubber etc..Second step is, the first step die produced
Copy abutment die.Replicate herein and can pour into Gypsum Fibrosum in the buccal impression that the first step is obtained and obtain
Arrive.This step in copy outside abutment die, the most reproducible go out with regard to bit model in order in porcelain veneer model system
Tooth is tried on closely connected error free after completing.
Easily it is envisioned that, between two steps of above-mentioned abutment die, may also include sterilization.Sterilization can
Using ozone sterilization is bacteriolyze level method, and sterilization is thorough, noresidue, and broad-spectrum can kill antibacterial
Brood body and spore, virus, fungus etc., and Botulinum toxin can be destroyed.It addition, O3To mould
Bacterium also has extremely strong killing action.O3Due to poor stability, oxygen or list quickly can be decomposed into voluntarily
Individual oxygen atom, and single oxygen atom can be combined into oxygen molecule voluntarily, there is not any toxic residua,
So, O3It it is a kind of free of contamination disinfectant.O3For gas, the whole sterilizing that can permeate rapidly is empty
Between, sterilizing is without dead angle.
Above-mentioned with described abutment die casting refractory, it is to be understood that right at abutment die
Refractory material should be poured in the nib of abutment.Can be from the mould of abutment die after refractory material sinter molding
Hole is taken out.Note, above-mentioned refractory material namely fire-resistant molded body.The enforcement of technical solution of the present invention
Not relying on the special feature of refractory material, refractory material can use state of the art, such as may be used
With reference to Chinese patent CN 12082860A, particularly as follows: include graphite powder 30~35 weight %, magnesia
Fine powder 65~70 weight %, mixes graphite powder and magnesia powder, adds 0.60~0.80 weight % and divides
Powder;Introduce dispersant, utilize water solublity organic organic and inorganic functional group, by separated from one another
Heterogeneous or single-phase inorganic matter couple together, become suspended substance, control viscosity and isoelectric point, IP so that it is reach
To dispersed.Or ground, may further reference Chinese patent, particularly as follows: comprise spinelle and zirconium oxide,
And a kind of dispersant and/or at least one organic basis or the adjuvant on inorganic basis, and comprise particulate
Part and the coarse component more than 50 weight %, wherein said coarse component includes that size is more than 20 μm
Coarse grain, described fine fraction includes the particulate being smaller in size than 20 μm.Wherein, coarse component includes
Magnesium aluminate spinels and/or sintering spinelle and/or melted spinelle;Fine fraction includes magnesium aluminate
Spinelle and/or sintering spinelle and/or melted spinelle.Or ground, may further reference Chinese patent
CN 101544500A, particularly as follows: relative to 100 mass parts selected from silicon nitride, boron nitride and carbon
The material of more than a kind of SiClx, with the ratio of 5~40 mass parts contain selected from calcium fluoride, Afluon (Asta),
Calcium oxide or its precursor, magnesium oxide or its precursor, Barium monoxide or its precursor and barium sulfate
The material of more than a kind, and, selected from the material of more than a kind of silicon nitride, boron nitride and carborundum
Use level, be to account for more than 20 mass % in the composition, possibly together with alumina cement 5~100 mass
Part.
In above-mentioned casting refractory, first water used for refractory material can be slurried, then use thin
The similar means such as pin are by the edge of abutment die injection refractory material serosity slowly.Can place after pouring into
1h, to ensure that the serosity of refractory material is fully cured.Casting can preferably be carried out under operation room room temperature,
Such as 20~25 DEG C, such as 20 DEG C, 21 DEG C, 22 DEG C, 23 DEG C, 24 DEG C, 24.5 DEG C or 25 DEG C, preferably
It it is 23 DEG C.After having cast, after refractory material is fully cured, i.e. repair its burr, with to be sintered.
Above-mentioned refractory material sinter molding, its equipment can use dental porcelain stove.Here dental porcelain stove
Being applied to the processing and fabricating of dental porcelain powder, it is generally by bell, barbecue table, lifting platform, operating surface
The parts such as plate are constituted.The temperature of its sinter molding is preferred with 1000~1070 DEG C, such as 1000 DEG C,
1010 DEG C, 1020 DEG C, 1030 DEG C, 1040 DEG C, 1050 DEG C, 1060 DEG C, 1065 DEG C or 1070 DEG C etc.,
It is preferably 1050 DEG C.
Refractory material is in the case of above-mentioned sintering temperature, and the time of sinter molding can be 1~5 minute.
Such as, 1 minute, 2 minutes, 3 minutes, 4 minutes, 5 minutes, etc..At thermal sintering, can carry out
Disinfect.Sterilization can use mode well known in the art, no longer enumerates in this.
The porcelain powder of above-mentioned porcelain bisque can use state of the art, such as, can refer to Chinese patent
CN103553598A, particularly as follows: (1) is according to preparing the amount of target product, according to (Pr6O11)x(Y2O3)y
(ZrO2)1-6x-2yIn (wherein 0.0020 x+y 1500), the stoichiometric proportion of each metallic element, claims respectively
Take chlorine hydrate praseodymium oxide, praseodymium raw material and yttrium raw material, praseodymium raw material and yttrium material dissolution are changed into accordingly
The mixed solution of nitrate, and chlorine hydrate praseodymium oxide is completely dissolved into wherein, i.e. it is made into target product
The mixing salt solution of contained metal;(2) mixed solution obtained by step (1) is separately added into solubility
Salt and organic-fuel, heating for dissolving obtains mixed solution, continues heating mixed solution and is concentrated into thick,
Put in the heating furnace cavity that temperature is 400~1000 DEG C and ignite, after having burnt, take out powder body;(3)
The product that step (2) obtains is scrubbed, filtration, is dried, i.e. obtains end product;Wherein, step (1)
In, described praseodymium raw material is praseodymium oxide, praseodymium nitrate, Praseodymium trihydroxide or praseodymium carbonate, and yttrium raw material is oxidation
Yttrium, Yttrium trinitrate, Yttrium trihydroxide or Yttrium carbonate (Y2(CO3)3);In step (2), described soluble-salt is NaCl, KCl,
LiCl、CaCl2In one or more, the molal quantity of added soluble-salt is metal in target product
0.5~7.0 times of ion summation;In step (2), described organic-fuel is glycine and urine
One or both in element, added organic-fuel molal quantity is that in products therefrom, metal ion mole is total
0.5~5 times of number;In step (3), described washing refers to be washed with deionized water the conductance to cleaning mixture
Rate is less than 1 μ s/cm2.Or can refer to Chinese patent, specially CN 101664368A, particularly as follows:
A kind of complete porcelain powders of admiring for dentistry, including bonding porcelain powder, hides color porcelain powder and body porcelain powder, by matter
Amount percentage ratio, described bonding porcelain powder includes following components: 50~the SiO of 55%2, 5~the A1 of 10%2O3、
8~the B of 15%2O3, 10~the Sn O of 15%2, 0~the ZrO of 1%CaO, 1~3%2, 4~10%
Na2The K of O, 0.5~8%2The Li of O, 0~1%2O, 1~4%BaO and 0~the F of 1%;Described
Hide color porcelain powder and include following components;50~the SiO of 60%2, 3~the A1 of 10%2O3, 0.5~1%
The SnO of CaO, 20~30%2, 0~the TiO of 1%2, 0.5~the ZrO of 1%2, 7~the Na of 10%2、
0.5~the K of 8%2The BaO of O and 0.5~4%;Described body porcelain powder includes following components: 60~70%
SiO2, 4~the A1 of 10%2O3, 0.5~the B of the CaO of 1%, 1~5%2O3, 5~the Na of 10%2O、
5~the K of 10%2The Li of O, 0.5~1%2The BaO of O and 5~8%.May further reference Chinese patent, tool
Body is: this disposable sintering metal baking-ceramic tooth powder, described powder is divided into porcelain powder and powdered frit;Described porcelain powder
Include following component by percentage to the quality: 55~60%SiO2, 3~4%A12O3, 5~7%Na2CO3、
2~4%K2CO3, 4~6%CaCO3, 4~6%B2O3, 7~10%BaCO4, 1~3%ZrO2、
4~6%Li2O, 1~3%SnO2, each component sum is 100;In described porcelain powder, granularity is micro-less than 5
Rice account for more than the 95% of gross mass;Described powdered frit includes following component by percentage to the quality: 60~
70%SiO2, 4~6%A12O3、Na2CO3, 8~12%K2CO3, 7~10%CaCO3, 1~
3%B2O3, 1~2%ZrO2, 1~3%SnO2, each component sum is 100;In described powdered frit, grain
Degree less than 5 microns account for more than the 95% of gross mass.The sintering shrinkage speed of described porcelain powder and powdered frit it
Ratio is 0.98~1.02:l, and described porcelain powder is 1:50~50:10 with the fineness ratio of powdered frit.
In the coating of above-mentioned porcelain bisque, first porcelain powder water can be slurried, re-use brush pen etc. and dip
Serosity is brushed until making porcelain bisque become thread form on the surface of work model.The thickness of the coating of porcelain bisque
Can set according to the kind of porcelain bisque, be preferably 0.02~0.2mm, such as 0.02mm,
0.021mm、0.022mm、0.04mm、0.06mm、0.1mm、0.11mm、0.12mm、0.15mm、
0.18mm, 0.2mm etc..For hiding color porcelain, its coating thickness can be 0.02~0.05mm;For jade-like stone
Light porcelain, its coating thickness can be 0.05mm;For essence porcelain, its coating thickness can be 0.1mm;Right
In enamel porcelain, its coating thickness can be 0.05mm.
The agglomerating plant of above-mentioned porcelain bisque can use dental porcelain stove.The temperature of the sintering of porcelain bisque with
Be advisable for 500~910 DEG C, such as 750 DEG C, 780 DEG C, 850 DEG C, 880 DEG C, 900 DEG C, 905 DEG C, 910 DEG C,
Deng.
Porcelain bisque in the case of above-mentioned sintering temperature, its sintering time 30~60 seconds.
The sintering of above-mentioned porcelain bisque can set as vacuum under vacuum according to actual needs
Fixed.
What deserves to be explained is, for different types of porcelain bisque, the temperature and time of its sintering can not
Identical, such as: for hiding color porcelain, its sintering temperature is 980 DEG C, and sintering time is 60 seconds;For
Special simulated effect porcelain, its sintering temperature is 910 DEG C, and sintering time is 60 seconds;For essence porcelain,
Its sintering temperature is 905 DEG C, and sintering time is 60 seconds;For enamel porcelain, its sintering temperature is 900 DEG C,
Sintering time is 60 seconds.
Being worth explanation, the implementation of above-mentioned offer insert both can be with the formation of porcelain tooth veneer
It is also possible to after forming porcelain tooth veneer, certainly can also be before forming porcelain tooth veneer.
Four kinds of implementations that insert is provided can be listed.In the first implementation, described
The surface-coated insert predecessor of work model, re-sinters described insert predecessor.Here, burn
Tie described insert predecessor to sinter with porcelain bisque simultaneously, the most also can be sintered separately, be preferably
Sintering with porcelain bisque, the most simultaneously after sintering, porcelain bisque sintering the porcelain tooth veneer formed will simultaneously
It is combined with insert.The coating of insert predecessor both can be on the surface of porcelain bisque, it is also possible to be coated with
Before covering porcelain powder.
In the second implementation, at the surface-coated insert predecessor of porcelain tooth veneer, re-sinter
This insert predecessor.In insert predecessor sintering, the table of porcelain tooth veneer will be may be naturally combined in
Face.
In the third implementation, insert is not sintered by insert presoma and is formed, but directly
Connect and use the insert deposited.Now, in order to realize combination, use binding agent can be used to enter
Row bonding.
In the 4th kind of implementation, insert uses with decoration painting collocation,
Above-mentioned make described porcelain tooth veneer and insert combine, have several performance.One of which is,
In the third implementation that insert is provided, use and use binding agent to bond.Another kind of real
The situation of executing is, is providing the first of insert, in the second implementation, is not using binding agent,
But during insert presoma sinters, naturally produce the adhesion of same insert, to realize
Combination.
Being worth supplementing, sintering temperature and the time of above-mentioned insert predecessor can be same as porcelain bisque.
Insert can use field general, will herein be described in detail.Insert presoma refers to for sintering formation
The material of insert, it is possible to use well known in the art.
Also include tooth veneer is polished after porcelain bisque sinter molding.Polishing needs according to dental arch
Radian, tooth body length, tooth bulging, make the anatomical dental form of standard, adjust side jaw, extension
Jaw, function jaw, accomplish multiple functional, and imitate the dermal tooth in adjacent teeth thin tiny characteristic making artificial tooth.
Also include glazing.Dyeing glazing, uniformly fills the surface of porcelain tooth veneer, according to the journey of tooth dyeing
Degree is dried 5 minutes, and glazing is not carried out under conditions of evacuation being not pressurized, and the temperature of glazing can be
900 degree, glazing terminates to have sintered for latter 30 seconds.
Can be after glazing, taking-up sander, 200 xenophthalmia, 0.02 pressure takes from work model
Lower porcelain tooth veneer, can directly be worn on oral cavity abutment.
After taking off porcelain tooth veneer from work model, porcelain tooth veneer ultrasound wave pure water can be cleaned dry
Only, surface impurity and antibacterial are removed.Finally, ozone sterilization is cleaned.
Embodiment 3
Produce abutment model: first in oral cavity with silica gel for impression material impression taking, to obtain tooth
Form.The oral cavity silica gel die that the first step is obtained again carries out ozonization, finally at oral cavity silica gel
Die pours into Gypsum Fibrosum and obtains abutment model.
Produce work model: be first slurried by water used for refractory material, then in 23 DEG C of temperature of operation room
The similar means such as lower employing fine needle are by the edge of abutment die injection refractory material serosity slowly.Pour into
After can place 1h, to ensure that the serosity of refractory material is fully cured.After casting terminates, i.e. treat fire-resistant
Its burr repaired by material after being fully cured.Again the refractory material of casting is placed in dental porcelain stove,
Sinter 5 minutes at 1050 DEG C, obtain the work model of abutment.
Porcelain powder use: by porcelain powder (by hide color porcelain, fluorescent porcelain, special simulated effect porcelain, essence porcelain,
Enamel porcelain is compounding to be formed) it is slurried with water, re-use brush pen etc. and dip the serosity table at work model
Face is brushed until making porcelain bisque become thread form, simultaneously at the surface-coated insert presoma of work model
The serosity of powder, after its dry solidification, is placed in dental porcelain stove with porcelain bisque, at vacuum condition
Under, sintering 60 seconds at 910 DEG C, molding obtains the tooth veneer being attached on work model.
Above-mentioned tooth veneer is polished.Polishing needs according to dental arch radian, tooth body length, tooth bulging, system
Making the anatomical dental form of standard, adjust side jaw, protract jaw, and function jaw is accomplished multiple functional,
And imitate the dermal tooth in adjacent teeth thin tiny characteristic making artificial tooth.
Dyeing glazing.Uniformly fill the surface of porcelain tooth veneer, be dried 5 minutes according to the degree of tooth dyeing,
Glazing is not carried out under conditions of evacuation being not pressurized, and the temperature of glazing can be 900 degree, and glazing is tied
Restraint latter 30 seconds and sintered.
Insert is not sintered by insert presoma and is formed, but the insert that directly employing has been deposited.
Now, in order to realize combination, use binding agent can be used to bond.
Can be after insert, taking-up sander, 200 xenophthalmia, 0.02 pressure is from work model
Take off porcelain tooth veneer, can directly be worn on oral cavity abutment.After taking off porcelain tooth veneer from work model,
Porcelain tooth veneer ultrasound wave pure water can be cleaned up, remove surface impurity and antibacterial.Finally, clean
Ozone sterilization.
The manufacture method of the present invention is applicable to, severe tetracycline pigmentation teeth, severe fluorine speckle xanthodont for severe
Tooth, the middle part of severe devital tooth hide color dummy, for xanthodont, Mild tetracycline's tooth, slightly
Dental fluorosis, slight devital tooth middle part hide color dummy, for close interval of tooth, tooth defect,
Tooth is too small, the nothing screening color dummy that thread form is uneven.
The processing method of the present invention is directly to be moulded shape with porcelain powder heap based on one is not required to any material
A kind of porcelain veneer, true procelain powder will not be because of to there being certain material allergic problem, and environmental protection is attractive in appearance, gently
Ingeniously, foreign sense.It addition, the porcelain tooth veneer thinner thickness obtained, 0.1mm can be as thin as, half bag
Stickup that body is seamless, hides color maneuver with combined outside in the middle part of employing, varies without tooth essence and reaches beauty treatment
Effect.Make described porcelain tooth veneer combine with insert, the decorative effect of porcelain tooth veneer can be strengthened.
Owing to the numerical range of each technological parameter involved in the present invention is the most impossible
All embody, as long as but those skilled in the art is the most envisioned falls into this numerical range above-mentioned
In any numerical value all can implement the present invention, the most also include appointing of occurrence in the range of some numerical value
Meaning combination.Herein, for the consideration of length, eliminate and provide tool in certain one or more numerical range
The embodiment of body value, this is not to be construed as the insufficient disclosure of technical scheme.
Applicant state, the present invention by above-described embodiment illustrate the present invention detailed process equipment and
Technological process, but the invention is not limited in above-mentioned detailed process equipment and technological process, i.e. it is not intended that
The present invention and have to rely on above-mentioned detailed process equipment and technological process could be implemented.Art
Technical staff it will be clearly understood that any improvement in the present invention, the equivalence of raw material each to product of the present invention
Replace and the interpolation of auxiliary element, concrete mode selection etc., be within the scope of the present invention.