CN107126272B - A kind of device and method for resin veneer moulding - Google Patents
A kind of device and method for resin veneer moulding Download PDFInfo
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- CN107126272B CN107126272B CN201710324598.3A CN201710324598A CN107126272B CN 107126272 B CN107126272 B CN 107126272B CN 201710324598 A CN201710324598 A CN 201710324598A CN 107126272 B CN107126272 B CN 107126272B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/20—Repairing attrition damage, e.g. facets
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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
- A61C13/0013—Production methods using stereolithographic techniques
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a kind of molding machine of resin veneer for dental prosthetics and the methods for preparing the resin veneer using the molding machine.The molding machine of the resin veneer includes outer layer thermoplastic film guide plate, internal layer transparent silicone rubber former and high filler fluid resin injection orifice.The present invention carries out improvement injection molding technology using atmospheric pressure principle when operation in patient mouthful, reduces the generation of bubble to the full extent, and can more efficiently carry out the production of resin veneer.
Description
Technical field
The invention belongs to dental prosthetics to repair field, and in particular to a kind of device and method for resin veneer moulding.
Background technique
The minimally invasive aesthstic treatment project advantage and disadvantage of existing entirety, advantage: tooth off guard；It is cheap；Beauty, intensity is high, wear-resisting,
Disadvantage: whitening effect is unnatural；Dental morphology cannot be changed；Color can rebound；Postoperative sensitivity symptom is more；To severe tetracycline pigmentation teeth
Whitening effect is undesirable；It is expensive；Still need to a small amount of standby tooth；It grits one's teeth, form, color is once it is determined that can not adjust, and tradition side
Legal system makees that resin veneer is time-consuming and laborious, and the production of 8 units of upper tooth in general needs 4-8 hours.Operation by prolonged chair
Make patient very painful.
Summary of the invention
In view of the above problems, the present invention provides the following technical scheme that
1. a kind of resin veneer moulding device, wherein the resin veneer is attached to dental surface, the molding machine packet
Include the molding die for being used to form the resin veneer and for injecting the syringe for forming the resin of the resin veneer, it is described
Molding die includes the transparent guide plate of rigid outer layer and the elastic internal layer transparent silicone rubber yin for being used to form the resin veneer
Mould, the syringe have the injection head of rigidity；The resin patch is used to form in corresponding to the transparent silicone rubber former
At the position in face, the molding machine has the injection through the transparent guide plate of the outer layer and the internal layer transparent silicone rubber former
Hole；The exterior contour of the in-profile of the injection orifice and the injection head is mutually matched so that the injection orifice accommodates the note
Penetrate head.
2. resin veneer moulding device according to technical solution 1, it is characterised in that: the injection orifice is transparent in outer layer
It is cylindrical hole at guide plate, the diameter of the cylindrical hole is 1-2mm, the preferred 1.5mm of diameter；The injection orifice exists
It is cone-shaped hole at internal layer transparent silicone rubber former, the cone-shaped hole is close to the diameter at the transparent guide plate of the outer layer
It is direct identical as the cylindrical hole, and the cone-shaped hole is towards using in the internal layer transparent silicone rubber former
In shrinking on the direction of position for forming resin veneer with the angle of 1-5 degree, it preferably the angle ranging from 3 degree；The injection head packet
Include the cylindrical rearward end with the diameter and cone-shaped nose portion, and the cone-shaped nose portion with the angle forward
It shrinks at end.
In some cases, the length in the cone-shaped nose portion of the injection head is less than the transparent in internal layer of the injection orifice
The depth of cone-shaped hole at silicon rubber former, the preferably described length are that the ratio of the depth is 1:1.5-10.Work as injection
When head insertion injection orifice is concordant with injection hole exits to injection head front end, internal layer transparent silicone rubber former will be held tightly and inject capitiform
At sealing structure.
3. a kind of forming method of resin veneer, wherein the resin veneer is attached to dental surface, which comprises
S100 turns over the bullet of tooth model of the system for forming resin veneer on tooth in the transparent guide plate of outer layer of rigidity
Property internal layer transparent silicone rubber former, thus formed in resin veneer moulding device as described in technical solution 1 or 2 including as described in
The molding die of the transparent guide plate of outer layer and the internal layer transparent silicone rubber former；
The molding die is worn on the tooth by S200, and in the inner wall of the internal layer transparent silicone rubber former
Molding space is formed between the dental surface；
The injection head of syringe is inserted into the injection orifice of the molding die and makes injection head close with injection orifice by S300
Then stir-in resin in syringe is injected the molding space by cooperation；
After the completion of injection, injection head is extracted out from injection orifice by S400, so as to the shape at the front end of injection head in injection orifice
At the negative pressuren zone being connected to the molding space, to eliminate the bubble in stir-in resin described in the molding space；
The stir-in resin in the molding space is solidified, thus forms the resin on the tooth by S500
Veneer.
In some cases, in step S300, injection head is inserted into injection orifice, the end of injection head is connect as far as possible
It, then holding 1-20 seconds later will be in syringe so that the gas in molding space to be discharged as far as possible closely but without departing from injection orifice
Stir-in resin be slowly injected into the molding space.It can make the bubble entrained into stir-in resin in injection process so most
It is few.
In some cases, in step S400, first by injection head from injection orifice extraction section so as in injection head
Front forms negative pressuren zone and is simultaneously kept for 5-30 seconds, and injection head is then reinserted injection orifice and is kept for 5-30 seconds, repeatedly 2-5
After secondary, just injection head is completely drawn out from injection orifice.The stir-in resin in molding space can be made to be alternately subjected to positive pressure in this way
And suction function, be conducive to the bubble in exhaust flow resin.
4. according to the forming method of the resin veneer of technical solution 3, wherein in step s 200, the molding space is
The closed space formed around the tooth by the internal layer transparent silicone rubber former, the injection orifice is in the tooth
The opposite position of tooth tip is connected to the closed space；And in step S300, tooth of the stir-in resin from the tooth
The opposite position of point enters the closed space, and gradually coats the tooth along the direction of the tooth tip of the tooth to root of the tooth.
5. according to the forming method of the resin veneer of technical solution 4, wherein in step s 200, the internal layer transparent silicon
Rubber female mould is in gum or root surface；In the step S300, when the stir-in resin enters the closed space
When, the air in the closed space is compressed, and the internal layer transparent silicone rubber former of gum or root surface will be pressed together on
It opens and is discharged；In step S400, when negative pressuren zone formation, the internal layer transparent silicone rubber former is in the tooth
It is pressed together at root of the tooth on the surface of the tooth to prevent air from entering the closed space, and the bubble is to the negative pressure
Area is mobile.
In some cases, the internal layer transparent silicone rubber former and tooth in the molding space (closed space) nearby
The part of gum or root surface contact is equipped with groove and is connect with reducing the internal layer transparent silicone rubber former with gum or root surface
The area of touching, be conducive to before the injection with the air that is discharged in injection in the closed space；And the groove can also accommodate
The stir-in resin excessively injected in injection process prevents the stir-in resin excessively injected from flowing back into the closure in step S400
Space, and be conducive to that bubble is discharged.When the internal layer transparent silicone rubber former and gum or root surface contact, the groove with
Gum or root surface limit confined space.The width of the groove is 0.5-1mm, length 1-20mm, depth 1-10mm.
The groove can be one or more identical or different ditches with the sides aligned parallel of the internal layer transparent silicone rubber former
Slot, optionally the multiple groove are in fluid communication with each other.In some cases, in the internal layer transparent silicone rubber former and gum
Or the width of root surface contact surface is greater than 2mm, the groove is arranged in the part of preferably greater than 4mm.
In some cases, it is equipped with when the internal layer transparent silicone rubber former with gum or root surface contact surface multiple
When groove, from the contact surface adjoin the molding space be partially toward the contact surface far from the molding space
Edge, the width and/or depth of the groove gradually increase, in favor of having the case where certain airtightness in holding molding space
Under, improve the exhaust effect of molding space and the bubble eradicating efficacy after injection in injection process；Simultaneously with the width of groove
And/or depth increases, former can gradually become more soft, be conducive to the pre-determined bit being worn over molding die on patient teeth
Set, and avoid molding die compressing patient's gum and bring feeling of pain keeps the patient feels more comfortable.In some cases,
Relationship between the width of the multiple groove started setting up from the position of molding space described in ratio are as follows: than being 1:1:1.5:
1.75:8:13:21 ... (namely ratio of Fibonacci sequence), the width at the interval between the multiple groove are 0.2-
The fixed value of 2mm.Preferably, when the width of first groove is w1When, the width w of n-th of groovenCalculation formula are as follows:
6. according to the forming method of the resin veneer of technical solution 4 or 5, wherein in step S300, the injection head is inserted
When entering injection orifice, the transparent guide plate of rigid outer layer plays the role of " card is embraced ", the internal layer transparent silicon flexible to injection head
Rubber former plays the role of injection head fixed around squeezing.
7. according to the forming method of the resin veneer of technical solution 4 or 5, wherein step S100 further include: obtain tooth three
Dimension word model, the tooth three-dimensional number mould according to tooth three-dimensional mathematical model designed for forming resin veneer on tooth
Type carries out 3 D-printing according to the tooth three-dimensional mathematical model for forming resin veneer on tooth to obtain described be used for
The tooth model of resin veneer is formed on tooth.
8. according to the forming method of the resin veneer of technical solution 4 or 5, wherein in step s 200, first carry out facing throwing
After light, row's gum processing, acid etching facing, painting binder, then the molding die is worn on the tooth.
9. according to the forming method of the resin veneer of technical solution 4 or 5, wherein in step S500, through the outer layer
Transparent guide plate and the internal layer transparent silicone rubber former carry out illumination to solidify the stir-in resin in the molding space.
10. according to the forming method of the resin veneer of technical solution 4 or 5, wherein step S500 further include: pasted to resin
Face carries out coating oxygen-inhibiting agent, supplementary light solidification, edge adjustment and finishing polishing.
In other modes, resin veneer moulding device and method of the invention, with DSD number most leading in the world
Word smiles to design reduces the generation of production link error with the interior 3D printing technique that scans of mouth to the full extent.The behaviour in patient mouthful
Improvement injection molding technology is carried out using atmospheric pressure principle when making, reduces the generation of bubble to the full extent, and more efficiently,
The resin veneer production of 8 units can be completed within 1 hour or so.Make lighter, the absolutely not any pain of patient of doctor's work
Bitter tooth off guard, it is minimally invasive；It is beautiful；Intensity is high, wear-resisting；Adjustable tooth volume morphing；Cost performance is high, can effectively solve in background technique
The problem of.
To achieve the goals above, The technical solution adopted by the invention is as follows: a kind of molding machine of resin veneer, described
The molding machine of resin veneer includes outer layer thermoplastic film guide plate, internal layer transparent silicone rubber former and the injection of high filler fluid resin
Hole.
According to the above technical scheme, the outside thermoplastic film guide plate diameter is 1.5mm, internal layer transparent silicone rubber former direction
Hole diameter is 1.5mm, and empty side wall is in receive in 3 ° downwards, high filler resin injection head be diameter 1.5mm, interior 3 ° of receipts angle, and
Interior porose injection device, because inner transparent silicone gum rubber has certain elasticity, outer layer hard after injection head is inserted into guide plate
Guide plate plays the role of " card is embraced " for injection head；The soft guide plate of internal layer plays the role of injection head fixed around squeezing.
According to the above technical scheme, the inner transparent silica gel former is to utilize to have restored the gypsum wax pattern formpiston after form
It turns over and makes, and this gypsum formpiston is produced in patient mouthful with stamp silicone gum rubber, when transparent silica gel guide plate is multiple in mouth
When position, there is very accurate Marginal microleakage, when injection head and stamp contacts face and silica gel stamp edge in place, in tooth table
Face will form the space of an opposing seal, when high filler resin is injected into this space, because having one in this space
Fixed air pressure exists, so internal air has obtained being released suddenly when extracting injection head after injecting sufficient amount resin
The channel put then makes resin have an autonomous atmosphere negative pressure resorption, allows chamber air to be completely exhausted out, reach one
The effect of a Automatic-exhausting pickle.
A kind of molding machine preparation method of resin veneer, the molding machine basic operation procedure of resin veneer include as follows
Step:
Step 1: the design of number smile and modulus；
Step 2: scan model and the postoperative modelling macromolecule aesthetics guide plate of 3D printing；
Step 3: trying guide plate, acid etching facing in mouth, rinses, painting binder, photocuring, injection adds in aesthstic guide plate
Ceramic material, in mouth it is accurate in place, through aesthstic guide plate photocuring and finished edge, sanding and polishing.
According to the above technical scheme, specific case demonstration are as follows:
1) firstly, carrying out first visit, preoperative esthetic analysis communication is carried out with ezDSDpro and EZ U.S. tooth show, PED design, determining
Plaster cast is perfused in design scheme modulus, corrects edge and bubble, C class silicone rubber impression, the red Tener super-low expansion gypsum of Germany
Scanner progress dental pattern column, which are swept, in perfusion model or application mouth touches digital modeling raising accuracy, when building clinical manipulation
Between, improve patient assessment's comfort level；
2) secondly, model scanning instrument carries out model scanning, total digitalization designs new dental morphology, Germany Envision3D
Printer printer model is molded guide plate according to digitlization 3D printing model production transparent silicone rubber；
3) finally, tooth routine polishing, try in patient mouthful guide plate, the processing of row's gum, Teflon adhesive tape protection adjacent teeth,
35% phosphoric acid gel acid etching tooth body applies the interior juxtaposition injection head that resets of alite paste, guide plate mouth in uniform in facing in guide plate injecting hole
Injection is tentatively modified through the unlimited brands such as inside aesthstic guide plate photocuring plus ceramic material photocuring, taking-up isolation film proximal surface
It polishes, unload aesthstic guide plate, adjust edge, oxygen-inhibiting agent covering dummy and illumination, the adjustment edge rough polishing of veneer, proximal surface is thrown
Light, fine polishing, highlight surface polishing,.
According to the above technical scheme, injection head diameter must be consistent with guide plate injection hole diameter in the step (3),
The pressure of intracavitary relative closure can be accomplished to infuse in this way, and generate vacuum suction effect, so that the generation of bubble is reduced, resinous wood
Material applies U.S. BISCOREVEAL resin.
According to the above technical scheme, the intensity of illumination in the Light Curing in the step 3) is not less than 440mW/
cm2。
According to the above technical scheme, the agent of pasting in the step 3 is 3m Single Boud Universal, Kerr
Versa。
The molding machine indication of resin veneer of the present invention:
1. there is aesthetic orthopaedics demand, but the patient of high All ceramic veneer medical expense can not be received in short term, such as student, rigid work
Make personage, married person and the elderly；
2. entirety repairs patient to needs at once or in the recent period；Such as go abroad and attend important events；
3. the non-adaptive disease person of conventional veneer restorations, such as enamel hypoplasia, occlusion obstacle crowd, malocclusion selects porcelain
The risky patient of veneer restorations；
4. there are the high-end patient of query, such as high-end tolerances to hand over lower patient for pair conventional veneer restorations effect；
5. it is frightened to there is standby tooth, or for the whitening effect person of being unsatisfied with, be such as reluctant to ache after standby tooth, whitening/color rebound,
Important tetracycline pigmentation teeth and it is unable to closing gap.
Beneficial effects of the present invention:
The present invention smiles the interior scanning 3D printing technique of design and mouth to the full extent with DSD number most leading in the world
Reduce the generation of production link error.Improvement injection molding technology is carried out using atmospheric pressure principle when operation in patient mouthful, most
Reduce the generation of bubble in big degree, and more efficiently, the resin veneer production of 8 units can be completed within 1 hour or so.
Make lighter, the absolutely not any pain tooth off guard of patient of doctor's work, it is minimally invasive；It is beautiful；Intensity is high, wear-resisting；Adjustable tooth
Volume morphing；Cost performance is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention.
Fig. 2 is photo when apparatus of the present invention are worn on patient mouthful Tooth.
Fig. 3 is that patient teeth is shone with treated using patient teeth's photo (a) before apparatus of the present invention and method processing
Piece (b).
Fig. 4 is schematic diagram when apparatus of the present invention are in running order.
Appended drawing reference meaning is as follows: 1: molding die；11: the transparent guide plate of outer layer；12: internal layer transparent silicone rubber former；13:
Injection orifice；14: groove；2: injection head；3: molding space；4: tooth.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention.
Embodiment 1
Refering to fig. 1 to Fig. 4, the present invention provides a kind of forming method of resin veneer, wherein the resin veneer is attached to
The dental surface of patient, which comprises
S100 turns over system for forming the tooth of resin veneer on the tooth 4 of patient in the transparent guide plate 11 of outer layer of rigidity
The elastic inner layer transparent silicone rubber former 12 of tooth model, so that being formed includes that the transparent guide plate 11 of the outer layer and the internal layer are transparent
The molding die 1 of silicon rubber former 12；The resin veneer is used to form in corresponding to the transparent silicone rubber former 12
At position, the molding machine has the injection through the transparent guide plate 11 of the outer layer and the internal layer transparent silicone rubber former 12
Hole 13；The exterior contour of the in-profile of the injection orifice 13 and the injection head 2 is mutually matched so as to the injection orifice 13 appearance
Receive the injection head 2；Preferably, the injection orifice is cylindrical hole, the cylindrical hole at the transparent guide plate 11 of outer layer
Diameter be 1-2mm, the preferred 1.5mm of diameter；The injection orifice 13 is cone at internal layer transparent silicone rubber former 12
Through-hole, the cone-shaped hole is in the direct phase close to diameter and the cylindrical hole at the transparent guide plate 11 of the outer layer
Together, and the cone-shaped hole is towards the position for being used to form resin veneer in the internal layer transparent silicone rubber former 12
It is shunk on direction with the angle of 1-5 degree, preferably the angle ranging from 3 degree；The injection head 2 includes the cylinder with the diameter
Rear end and cone-shaped nose portion, and angle forward end described in the cone-shaped nose portion is shunk.
The molding die 1 is worn on the tooth 4 of the patient by S200, and in the internal layer transparent silicone rubber yin
The molding space 3 for being used for moulding resin veneer is formed between 4 surface of the inner wall of mould 12 and the tooth of the patient；
The injection head 2 of syringe is inserted into the injection orifice 13 of the molding die and makes injection head 2 and injection orifice by S300
13 are fitted close, and the stir-in resin in syringe is then injected the molding space 3；
S400 after the completion of injection, injection head 2 is extracted out from injection orifice 13, before the injection head 2 in injection orifice 13
The negative pressuren zone being connected to the molding space 3 is formed at end, to eliminate the gas in stir-in resin described in the molding space 3
Bubble；
The stir-in resin in the molding space 3 is solidified, is thus formed on the tooth 4 of the patient by S500
The resin veneer.
In some cases, in step S300, injection head 2 is inserted into injection orifice 13, the end of injection head 2 is use up
Amount is close but without departing from injection orifice 13, keeps 1-20 seconds then so that the gas in molding space 3 to be discharged as far as possible, will infuse later
Stir-in resin in emitter is slowly injected into the molding space 3.It can make to entrain into stir-in resin in injection process in this way
Bubble is minimum.
In some cases, in step S400, first extraction section, holding 5-30 seconds from injection orifice 13 by injection head 2
Injection head 2 is reinserted into injection orifice 13 afterwards, repeatedly after 2-5 times, is just completely drawn out injection head 2 from injection orifice 13.
The stir-in resin in molding space 3 can be made to be alternately subjected to positive pressure and suction function in this way, be conducive in exhaust flow resin
Bubble.
In some cases, in step s 200, the molding space 3 is existed by the internal layer transparent silicone rubber former 12
The closed space 3 formed around the tooth 4, the injection orifice 13 the opposite position of the tooth tip of the tooth 4 with it is described
Closed space 3 is connected to；And in step S300, the position that the tooth tip of the stir-in resin from the tooth 4 is opposite enters institute
Closed space 3 is stated, and gradually coats the tooth 4 along the tooth tip of the tooth 4 to the direction of root of the tooth.
Further, in step s 200, the internal layer transparent silicone rubber former 12 is pressed together on the gum or root of the tooth of patient
Surface；Air in the step S300, when the stir-in resin enters the closed space 3, in the closed space 3
It is compressed, the internal layer transparent silicone rubber former 12 for being pressed together on gum or root surface is opened and is discharged；In step S400
In, when negative pressuren zone formation, the internal layer transparent silicone rubber former 12 is pressed together on the tooth at the root of the tooth of the tooth 4
To prevent air from entering the closed space 3 on the surface of tooth 4, and the bubble is mobile to the negative pressuren zone.
In some cases, the part that the internal layer transparent silicone rubber former 12 is contacted with gum or root surface is equipped with recessed
Slot 14 to reduce the area that the internal layer transparent silicone rubber former 12 is contacted with gum or root surface, be conducive to before the injection and
The air in the closed space 3 is discharged in injection；And the groove 14 can also accommodate the stream excessively injected in injection process
Dynamic resin, prevents the stir-in resin excessively injected from flowing back into the closed space 3 in step S400, and is conducive to that gas is discharged
Bubble.The width of the groove is 0.5-1mm, length 1-20mm, depth 1-10mm.The groove 14 can be with it is described interior
One or more identical or different grooves of the sides aligned parallel of layer transparent silicone rubber former 12, optionally the multiple groove
It is in fluid communication with each other.In some cases, the setting of groove 14 is in the internal layer transparent silicone rubber former 12 and gum or tooth
The width of root surface contact surface is greater than 2mm, the preferably greater than part of 4mm.
Further, in step S300, when the injection head 2 is inserted into injection orifice 13, the rigid outer layer is transparent to be led
Plate 11 plays the role of " card is embraced " to injection head 2, and the internal layer transparent silicone rubber former 12 flexible has circular extruding to injection head 2
Fixed effect.
Preferably, step S100 further include: the tooth three-dimensional mathematical model for obtaining patient, according to tooth three-dimensional mathematical model
Designed for forming the tooth three-dimensional mathematical model of resin veneer on patient teeth 4, according to for being formed on patient teeth 4
It is described for forming resin patch on the tooth 4 of patient to obtain that the tooth three-dimensional mathematical model of resin veneer carries out 3 D-printing
The tooth model in face.
Preferably, in step s 200, after first carrying out polishing of tooth, row's gum processing, acid etching facing, painting binder, then will
The molding die is worn on the tooth 4 of the patient.
Preferably, in step S500, through the transparent guide plate 11 of the outer layer and the internal layer transparent silicone rubber former 12
Illumination is carried out to solidify the stir-in resin in the molding space 3.
Preferably, step S500 further include: coating oxygen-inhibiting agent, supplementary light solidification, edge adjustment are carried out to resin veneer
It is polished with finishing.
Embodiment 2
Refering to fig. 1 to Fig. 4, the present invention provides a kind of molding machine of resin veneer, the molding machine of the resin veneer
Including outer layer thermoplastic film guide plate 11, internal layer transparent silicone rubber former 12 and high filler fluid resin injection orifice 13.
According to the above technical scheme, 11 diameter of outside thermoplastic film guide plate is 1.5mm, internal layer transparent silicone rubber former 12
Direction hole diameter is 1.5mm, and empty side wall is in receive in 3 ° downwards, and high filler resin injection head 2 is diameter 1.5mm, interior receipts angle
3 °, and interior porose injection device, because inner transparent silicone gum rubber has certain elasticity, after injection head 2 is inserted into guide plate 11
Outer layer hard guide plate 11 plays the role of " card is embraced " for injection head 2；The soft guide plate 11 of internal layer has injection head 2 solid around squeezing
Fixed effect, the inner transparent silica gel former 12 be using having restored the gypsum wax pattern formpiston after form and turned over to make, and this
Gypsum formpiston is produced in patient mouthful with stamp silicone gum rubber, when transparent silica gel guide plate 11 resets in mouth, is had very
Accurate Marginal microleakage will form when injection head 2 and stamp contacts face and silica gel stamp edge in place on 4 surface of tooth
The space 3 of one opposing seal, when high filler resin is injected into this space 3, because having certain sky in this space 3
Atmospheric pressure exists, so when extraction is penetrated after inject sufficient amount resin, the channel that internal air is released suddenly,
Then so that resin is had an autonomous atmosphere negative pressure resorption, chamber air is allowed to be completely exhausted out, reach an automatic row
The effect of bubble.
A kind of molding machine preparation method of resin veneer, the molding machine basic operation procedure of resin veneer include as follows
Step:
Step 1: the design of number smile and modulus；
Step 2: scan model and the postoperative modelling macromolecule aesthetics guide plate 11 of 3D printing；
Step 3: trying guide plate 11, acid etching facing in mouth, rinse, apply and paste agent, photocuring, infuse in aesthstic guide plate 11
Enter plus ceramic material, in mouth it is accurate in place, through aesthstic 11 photocuring of guide plate and finished edge, sanding and polishing.
According to the above technical scheme, specific case demonstration are as follows:
1) firstly, carrying out first visit, preoperative esthetic analysis communication is carried out with ezDSDpro and EZ U.S. tooth show, PED design, determining
Plaster cast is perfused in design scheme modulus, corrects edge and bubble, C class silicone rubber impression, the red Tener super-low expansion gypsum of Germany
Perfusion model；
2) secondly, model scanning instrument carries out model scanning, total digitalization designs new dental morphology, Germany Envision3D
Printer printer model is molded guide plate 11 according to digitlization 3D printing model production transparent silicone rubber；
3) finally, the conventional polishing of tooth 4, to try in patient mouthful guide plate 11, the processing of row's gum, the protection of Teflon adhesive tape on adjacent
Tooth, 35% phosphoric acid gel acid etching tooth body, apply alite paste, reset in 11 mouthfuls of guide plate juxtaposition injection head 2 in 11 injecting hole of guide plate
Facing injects uniformly, is adjacent through the unlimited brands such as inside aesthstic 11 photocuring of guide plate plus ceramic material photocuring, taking-up isolation film
Face tentatively modifies polishing, unloads aesthstic guide plate 11, adjusts edge, oxygen-inhibiting agent covering dummy and illumination, the adjustment edge of veneer
Rough polishing, proximal surface polishing, fine polishing, highlight surface polishing,.
According to the above technical scheme, 2 diameter of injection head must keep one with 11 injection hole diameter of guide plate in the step 3)
It causes, can accomplish the pressure for infusing intracavitary relative closure in this way, and generate vacuum suction effect, to reduce the generation of bubble, set
Rouge material applies U.S. BISCOREVEAL resin, and the intensity of illumination in the Light Curing in the step 3) is not less than
440mW/cm2, according to the above technical scheme, in the step 3 paste agent be 3m Single Boud Universal,
Kerr Versa。
Embodiment 3:
Refering to fig. 1 to Fig. 4, the present invention provides a kind of molding machine of resin veneer, the molding machine of the resin veneer
Including outer layer thermoplastic film guide plate 11, internal layer transparent silicone rubber former 12 and high filler fluid resin injection orifice 13.
According to the above technical scheme, 11 diameter of outside thermoplastic film guide plate is 1.5mm, internal layer transparent silicone rubber former 12
Direction hole diameter is 1.5mm, and empty side wall is in receive in 3 ° downwards, and high filler resin injection head 2 is diameter 1.5mm, interior receipts angle
3 °, and interior porose injection device, because inner transparent silicone gum rubber has certain elasticity, after injection head 2 is inserted into guide plate 11
Outer layer hard guide plate 11 plays the role of " card is embraced " for injection head 2；The soft guide plate 11 of internal layer has injection head 2 solid around squeezing
Fixed effect, the inner transparent silica gel former 12 be using having restored the gypsum wax pattern formpiston after form and turned over to make, and this
Gypsum formpiston is produced in patient mouthful with stamp silicone gum rubber, when transparent silica gel guide plate 11 resets in mouth, is had very
Accurate Marginal microleakage will form when injection head 2 and stamp contacts face and silica gel stamp edge in place on 4 surface of tooth
The space 3 of one opposing seal, when high filler resin is injected into this space 3, because having certain sky in this space 3
Atmospheric pressure exists, so when extraction is penetrated after inject sufficient amount resin, the channel that internal air is released suddenly,
Then so that resin is had an autonomous atmosphere negative pressure resorption, chamber air is allowed to be completely exhausted out, reach an automatic row
The effect of bubble.
A kind of molding machine preparation method of resin veneer, the molding machine basic operation procedure of resin veneer include as follows
Step:
Step 1: the design of number smile and modulus；
Step 2: scan model and the postoperative modelling macromolecule aesthetics guide plate 11 of 3D printing；
Step 3: trying guide plate 11, acid etching facing in mouth, rinse, apply and paste agent, photocuring, infuse in aesthstic guide plate 11
Enter plus ceramic material, in mouth it is accurate in place, through aesthstic 11 photocuring of guide plate and finished edge, sanding and polishing.
According to the above technical scheme, specific case demonstration are as follows:
1) firstly, carrying out first visit, being swept using scanner progress dental pattern column in mouth and touch digital modeling raising accuracy, construction
The clinical manipulation time improves patient assessment's comfort level；
2) secondly, model scanning instrument carries out model scanning, total digitalization designs new dental morphology, Germany Envision3D
Printer printer model is molded guide plate 11 according to digitlization 3D printing model production transparent silicone rubber；
3) finally, the conventional polishing of tooth 4, to try in patient mouthful guide plate 11, the processing of row's gum, the protection of Teflon adhesive tape on adjacent
Tooth, 35% phosphoric acid gel acid etching tooth body, apply alite paste, reset in 11 mouthfuls of guide plate juxtaposition injection head 2 in 11 injecting hole of guide plate
Facing injects uniformly, is adjacent through the unlimited brands such as inside aesthstic 11 photocuring of guide plate plus ceramic material photocuring, taking-up isolation film
Face tentatively modifies polishing, unloads aesthstic guide plate 11, adjusts edge, oxygen-inhibiting agent covering dummy and illumination, the adjustment edge of veneer
Rough polishing, proximal surface polishing, fine polishing, highlight surface polishing,.
According to the above technical scheme, 2 diameter of injection head must keep one with 11 injection hole diameter of guide plate in the step 3)
It causes, can accomplish the pressure for infusing intracavitary relative closure in this way, and generate vacuum suction effect, to reduce the generation of bubble, set
Rouge material applies U.S. BISCOREVEAL resin, and the intensity of illumination in the Light Curing in the step 3) is not less than
440mW/cm2, according to the above technical scheme, in the step 3 paste agent be 3m Single Boud Universal,
Kerr Versa
Based on above-mentioned, it is an advantage of the current invention that the present invention smiles design and mouth with DSD number most leading in the world
Interior scanning 3D printing technique reduces the generation of production link error to the full extent.Atmospheric pressure is utilized when operation in patient mouthful
Strong principle carries out improvement injection molding technology, reduces the generation of bubble to the full extent, and more efficiently, and 1 hour or so
Complete the resin veneer production of 8 units.Make lighter, the absolutely not any pain tooth off guard of patient of doctor's work, it is minimally invasive；
It is beautiful；Intensity is high, wear-resisting；Adjustable tooth volume morphing；Cost performance is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of resin veneer moulding device, wherein the resin veneer is attached to dental surface, the molding machine includes using
In the molding die for forming the resin veneer and for injecting the syringe for forming the resin of the resin veneer, the molding
Mold includes the transparent guide plate of rigid outer layer and the elastic internal layer transparent silicone rubber former for being used to form the resin veneer, institute
State the injection head that syringe has rigidity；The position of the resin veneer is used to form in corresponding to the transparent silicone rubber former
Place is set, the molding machine has the injection orifice through the transparent guide plate of the outer layer and the internal layer transparent silicone rubber former；Institute
The exterior contour of the in-profile and the injection head of stating injection orifice is mutually matched so that the injection orifice accommodates the injection head；
When the molding die is worn on the tooth, on the inner wall of the internal layer transparent silicone rubber former and the surface of the tooth
Between form the closed space for forming the resin veneer；The injection orifice the opposite position of the tooth tip of the tooth with
The closed space connection；In the part that the internal layer transparent silicone rubber former is contacted with the gum of the tooth or root surface
Equipped with groove.
2. resin veneer moulding device according to claim 1, it is characterised in that: the injection orifice is in the transparent guide plate of outer layer
Place is cylindrical hole, and the diameter of the cylindrical hole is 1-2mm；The injection orifice is at internal layer transparent silicone rubber former
Cone-shaped hole, the cone-shaped hole is close to the direct of diameter and the cylindrical hole at the transparent guide plate of the outer layer
It is identical, and the cone-shaped hole is towards the position for being used to form resin veneer in the internal layer transparent silicone rubber former
It is shunk on direction with the angle of 1-5 degree；The injection head includes the cylindrical rearward end and cone-shaped nose with the diameter
Portion, and the cone-shaped nose portion is shunk with the angle forward end；The length in the cone-shaped nose portion and the circular cone
The ratio of the length of shape through-hole is 1:1.5-5.
3. a kind of forming method of resin veneer, wherein the resin veneer is attached to dental surface, which comprises
S100 is turned in the transparent guide plate of outer layer of rigidity in the elasticity for making the tooth model for forming resin veneer on tooth
Layer transparent silicone rubber former, so that being formed in resin veneer moulding device as claimed in claim 1 or 2 includes the outer layer
The molding die of transparent guide plate and the internal layer transparent silicone rubber former；
The molding die is worn on the tooth by S200, and in the inner wall of the internal layer transparent silicone rubber former and institute
It states and forms molding space between dental surface；
The injection head of syringe is inserted into the injection orifice of the molding die and injection head is closely matched with injection orifice by S300
It closes, the stir-in resin in syringe is then injected into the molding space；
After the completion of injection, injection head is extracted out from injection orifice by S400, so as in injection orifice at the front end of injection head formed with
The negative pressuren zone of the molding space connection, to eliminate the bubble in stir-in resin described in the molding space；
The stir-in resin in the molding space is solidified, thus forms the resin veneer on the tooth by S500.
4. the forming method of resin veneer according to claim 3, wherein in step s 200, the molding space is by institute
State the closed space that internal layer transparent silicone rubber former is formed around the tooth, tooth tip of the injection orifice in the tooth
Opposite position is connected to the closed space；And in step S300, tooth tip phase of the stir-in resin from the tooth
Pair position enter the closed space, and gradually coat the tooth along the direction of the tooth tip of the tooth to root of the tooth.
5. the forming method of resin veneer according to claim 4, wherein in step s 200, the internal layer transparent silicone rubber
Female mould is in the gum or root surface；In the step S300, when the stir-in resin enters the closed space
When, the air in the closed space is compressed, and the internal layer transparent silicone rubber former of gum or root surface will be pressed together on
It opens and is discharged；In step S400, when negative pressuren zone formation, the internal layer transparent silicone rubber former is in the tooth
It is pressed together at root of the tooth on the surface of the tooth to prevent air from entering the closed space, and the bubble is to the negative pressure
Area is mobile.
6. according to the forming method of the resin veneer of claim 4 or 5, wherein in step S300, the injection head insertion note
When perforation, the transparent guide plate of rigid outer layer plays the role of " card is embraced ", the internal layer transparent silicone rubber of the elasticity to injection head
Former plays the role of injection head fixed around squeezing.
7. according to the forming method of the resin veneer of claim 4 or 5, wherein step S100 further include: obtain tooth three-dimensional number
Word model, the tooth three-dimensional number mould according to the tooth three-dimensional mathematical model of acquisition designed for forming resin veneer on tooth
Type carries out 3 D-printing according to the tooth three-dimensional mathematical model for forming resin veneer on tooth to obtain described be used for
The tooth model of resin veneer is formed on tooth.
8. according to the forming method of the resin veneer of claim 4 or 5, wherein in step S400, first by injection head from injection
It extraction section and is kept for 5-30 seconds in hole, injection head is then reinserted into injection orifice and is kept for 5-30 seconds, repeatedly 2-5 times
Afterwards, just injection head is completely drawn out from injection orifice.
9. according to the forming method of the resin veneer of claim 4 or 5, wherein the internal layer near the molding space
The part that transparent silicone rubber former is contacted with gum or root surface is equipped with groove.
10. according to the forming method of the resin veneer of claim 4 or 5, wherein in step s 200, first carry out polishing of tooth,
After arranging gum processing, acid etching facing, painting binder, then the molding die is worn on the tooth；In step S500, penetrate
The transparent guide plate of outer layer and the internal layer transparent silicone rubber former carry out illumination to solidify the flowing tree in the molding space
Then rouge carries out coating oxygen-inhibiting agent, supplementary light solidification, edge adjustment and finishing to resin veneer and polishes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109259873B (en) * | 2018-07-18 | 2021-01-05 | 北京大学口腔医学院 | Personalized occlusal surface transparent silicone rubber guide plate and preparation method thereof and method for assisting in filling of affected teeth |
| CN109745127B (en) * | 2018-12-14 | 2024-01-30 | 厦门医学院附属口腔医院 | Guide plate for guiding accurate bonding of all-ceramic veneers and manufacturing method thereof |
| CN111730863A (en) * | 2020-07-30 | 2020-10-02 | 华北理工大学 | Polishing method for 3D printed teeth |
| CN112451156A (en) * | 2020-12-28 | 2021-03-09 | 山西米兔斯美容管理有限公司 | Method for physical noninvasive tooth beautifying and whitening veneering by adopting ceramic block prosthesis material |
| CN113616368B (en) * | 2021-08-11 | 2022-08-12 | 牡丹江医学院 | Tooth exploration device |
| CN114848177B (en) * | 2022-04-15 | 2024-05-28 | 中国人民解放军空军军医大学 | Digital preparation method of front tooth diagnosis veneer reproduction guide plate |
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| CN2808081Y (en) * | 2005-07-21 | 2006-08-23 | 秦雍 | Veneering tooth film former |
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