CN107126272A - A kind of apparatus and method for resin veneer moulding - Google Patents
A kind of apparatus and method for resin veneer moulding Download PDFInfo
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- CN107126272A CN107126272A CN201710324598.3A CN201710324598A CN107126272A CN 107126272 A CN107126272 A CN 107126272A CN 201710324598 A CN201710324598 A CN 201710324598A CN 107126272 A CN107126272 A CN 107126272A
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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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- Oral & Maxillofacial Surgery (AREA)
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Abstract
The method for preparing the resin veneer the invention discloses a kind of shaped device of resin veneer for dental prosthetics and using the shaped device.The shaped device 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 in the intraoral operation of patient using atmospheric pressure principle, the generation of bubble is reduced to the full extent, and can more efficiently carry out the making of resin veneer.
Description
Technical field
Field is repaired the invention belongs to dental prosthetics, and in particular to a kind of apparatus and method for resin veneer moulding.
Background technology
The existing minimally invasive aesthstic treatment project advantage and disadvantage of entirety, advantage：Tooth off guard；It is cheap；Attractive in appearance, intensity is high, wear-resisting,
Shortcoming：Whitening effect is unnatural；Dental morphology can not 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；Grit one's teeth, form, color are once it is determined that can not adjust, and tradition side
Legal system, which makees resin veneer, to waste time and energy, and the making of 8 units of upper tooth in general needs 4-8 hours.Operated by prolonged chair
Make patient very painful.
The content of the invention
For problem above, the invention provides following technical scheme：
1. a kind of resin veneer moulding device, wherein the resin veneer is attached to dental surface, the shaped device bag
The mould for forming the resin veneer and the syringe for injecting the resin for forming the resin veneer are included, it is described
Mould includes the transparent guide plate of rigid outer layer and cloudy for the elastic internal layer transparent silicone rubber for forming the resin veneer
Mould, the syringe has rigid injection head；It is used to form the resin patch in corresponding to the transparent silicone rubber former
At the position in face, the shaped device 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. the resin veneer moulding device according to technical scheme 1, it is characterised in that：The injection orifice is transparent in outer layer
It is cylindrical hole, a diameter of 1-2mm of the cylindrical hole, the preferred 1.5mm of diameter at guide plate；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 with the cylindrical hole, and the cone-shaped hole is towards using in the internal layer transparent silicone rubber former
Shunk on the direction of position for forming resin veneer with the angle of 1-5 degree, preferably the angle ranging from 3 degree；The injection head bag
Include the cylindrical rearward end with the diameter and cone-shaped nose portion, and the cone-shaped nose portion with the angle forward
Shrink 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, preferably described length is that the ratio of the depth is 1:1.5-10.Work as injection
Head insertion injection orifice to injection head leading section with injection hole exits it is concordant when, internal layer transparent silicone rubber former by hold tightly injection capitiform
Into sealing structure.
3. a kind of forming method of resin veneer, wherein the resin veneer is attached to the dental surface of patient, the side
Method includes：
S100, system of being turned in the transparent guide plate of rigid outer layer is used for the tooth mould that resin veneer is formed on the tooth of patient
The elastic inner layer transparent silicone rubber former of type, so as to form the bag in the resin veneer moulding device as described in technical scheme 1 or 2
Include the mould of the transparent guide plate of the outer layer and the internal layer transparent silicone rubber former；
On S200, the tooth that the mould is worn over to the patient, and in the internal layer transparent silicone rubber former
Inwall and the patient dental surface between form molding space；
Make it that injection head and injection orifice are close in S300, the injection orifice that the injection head of syringe is inserted to the mould
Coordinate, the stir-in resin in syringe is then injected into the molding space；
S400, after the completion of injection, injection head is extracted out from injection orifice, so as to the shape at the front end of injection head in injection orifice
Into the negative pressuren zone connected with the molding space, so as to eliminate the bubble described in the molding space in stir-in resin；
S500, the stir-in resin in the molding space is solidified, institute is thus formed on the tooth of the patient
State resin veneer.
In some cases, in step S300, injection head is inserted in injection orifice and causes the end of injection head is tried one's best to connect
It is near but without departing from injection orifice, 1-20 seconds are then kept so as to which the gas in molding space is tried one's best discharge, afterwards by syringe
Stir-in resin be slowly injected into the molding space.The bubble entrained into injection process in stir-in resin can so be caused 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 kept for 5-30 seconds, and injection head then is reinserted into injection orifice and kept for 5-30 seconds, so repeatedly 2-5
After secondary, just injection head is completely drawn out from injection orifice.So the stir-in resin in molding space can be made to be alternately subjected to malleation
And suction function, be conducive to the bubble in exhaust flow resin.
4. according to the forming method of the resin veneer of technical scheme 3, wherein, in step s 200, the molding space is
The closed space formed by the internal layer transparent silicone rubber former around the tooth, the injection orifice is in the tooth
The relative position of crown is connected with the closed space；And in step S300, tooth of the stir-in resin from the tooth
The relative position of point enters the closed space, and gradually coats the tooth along the crown of the tooth to the direction of root of the tooth.
5. according to the forming method of the resin veneer of technical scheme 4, wherein, in step s 200, the internal layer transparent silicon
Gum or root surface of the rubber female mould in patient；In the step S300, when the stir-in resin is closed described in
When closing space, the air in the closed space is compressed, and will be pressed together on the internal layer transparent silicon rubber of gum or root surface
Jiao Yinmoding is opened and discharged；In step S400, when the negative pressuren zone is formed, the internal layer transparent silicone rubber former is described
It is pressed together at the root of the tooth of tooth on the surface of the tooth to prevent air from entering the closed space, and the bubble is to institute
State negative pressuren zone movement.
In some cases, the internal layer transparent silicone rubber former and tooth near the molding space (closed space)
The part of gum or root surface contact is connect provided with groove with reducing the internal layer transparent silicone rubber former with gum or root surface
Tactile area, be conducive to before the injection with the air in the closed space is discharged in injection；And the groove can also be accommodated
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 discharging bubble.When the internal layer transparent silicone rubber former is contacted with gum or root surface, the groove with
Gum or root surface limit confined space.The width of the groove is 0.5-1mm, and length is 1-20mm, and depth is 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
Groove, optionally the multiple groove is 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 more than 2mm, preferably greater than 4mm part sets the groove.
In some cases, when the internal layer transparent silicone rubber former and gum or root surface contact surface are provided with multiple
During groove, from the remote molding space for being partially toward the contact surface for adjoining the molding space of the contact surface
Edge, the width and/or depth of the groove gradually increase, in favor of having a case that certain seal in holding molding space
Under, improve injection process in molding space exhaust effect and injection after bubble eradicating efficacy；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 mould on patient teeth
Put, and the pain for avoiding mould from oppressing patient's gum and bringing makes patient feel more comfortable.In some cases,
Relation between the width of the multiple groove started setting up from the position of molding space described in ratio is：Than for 1:1:1.5:
1.75:8:13:The width at the interval between 21 ... (namely ratios of Fibonacci sequence), the multiple groove is 0.2-
2mm fixed value.Preferably, when the width of first groove is w1When, the width w of n-th of groovenCalculation formula be：
6. according to the forming method of the resin veneer of technical scheme 4 or 5, wherein, in step S300, the injection head is inserted
When entering injection orifice, the rigid transparent guide plate of outer layer plays the role of " card is embraced ", the flexible internal layer transparent silicon to injection head
Rubber former plays the role of fixed around extruding to injection head.
7. according to the forming method of the resin veneer of technical scheme 4 or 5, wherein, step S100 also includes：Obtain patient's
Tooth three-dimensional mathematical model, the tooth three according to tooth three-dimensional mathematical model designed for forming resin veneer on patient teeth
Dimension word model, carries out 3 D-printing to obtain according to the tooth three-dimensional mathematical model for the formation resin veneer on patient teeth
Obtain the tooth model for being used to form resin veneer on the tooth of patient.
8. according to the forming method of the resin veneer of technical scheme 4 or 5, wherein, in step s 200, first carry out facing throwing
After light, row's gum processing, acid etching facing, painting binding agent, then the mould is worn on the tooth of the patient.
9. according to the forming method of the resin veneer of technical scheme 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 scheme 4 or 5, wherein, step S500 also includes：Resin is pasted
Face is coated oxygen-inhibiting agent, supplementary light solidification, edge adjustment and finishing polishing.
In other modes, resin veneer moulding apparatus and method of the invention, with most leading DSD numbers in the world
Word smiles to design reduces the generation of production link error to the full extent with intraoral scanning 3D printing technique.In the intraoral behaviour of patient
Improvement injection molding technology is carried out using atmospheric pressure principle when making, the generation of bubble is reduced to the full extent, and more efficiently,
The resin veneer that 8 units can be completed for 1 hour or so makes.Make working doctor lighter, patient is completely without any pain
Bitter tooth off guard, it is minimally invasive；It is attractive in appearance；Intensity is high, wear-resisting；Adjustable tooth volume morphing；Cost performance is high, effectively can solve in background technology
The problem of.
To achieve these goals, the technical solution adopted by the present invention is as follows：A kind of shaped device of resin veneer, it is described
The shaped device 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 above-mentioned technical proposal, a diameter of 1.5mm of outside thermoplastic film guide plate, internal layer transparent silicone rubber former direction
Hole diameter is 1.5mm, and empty side wall is received downwards in 3 °, and high filler resin injection head is 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 inserts 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 fixed around extruding for injection head.
According to above-mentioned technical proposal, the inner transparent silica gel former is to utilize to have recovered the gypsum wax pattern formpiston after form
The system of turning over is formed, and this gypsum formpiston stamp silicone gum rubber is produced patient is intraoral, when transparent silica gel guide plate is intraoral multiple
During position, there is very accurate Marginal microleakage, when injection head and stamp contacts face in place with silica gel stamp edge, in tooth table
Face can 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 is present, so when injecting extraction injection head after sufficient amount resin, internal air has obtained being released suddenly
The passage put, then makes resin have an autonomous atmosphere negative pressure resorption, allows chamber air to be completely exhausted out, reach one
The effect of individual Automatic-exhausting pickle.
A kind of shaped device preparation method of resin veneer, the shaped device basic operation procedure of resin veneer is including as follows
Step：
Step one：Number, which is smiled, to be designed and modulus；
Step 2：Scan model and the aesthstic guide plate of the postoperative modelling macromolecule of 3D printing；
Step 3：It is intraoral to try guide plate, acid etching facing on, rinse, apply binding agent, photocuring, in aesthstic guide plate injection plus
Ceramic material, it is intraoral it is accurate in place, through aesthstic guide plate photocuring and finished edge, sanding and polishing.
According to above-mentioned technical proposal, specific case is illustrated as：
1) first visit first, is carried out, preoperative esthetic analysis communication, PED designs are carried out with the U.S. tooth shows of ezDSDpro and EZ, is determined
Design modulus irrigates plaster cast, amendment edge and bubble, C classes silicone rubber impression, the red Tener super-low expansion gypsum of Germany
Perfusion model or application intraoral scanner progress dental pattern row are swept and touch digital modeling raising accuracy, when building clinical manipulation
Between, improve patient assessment's comfort level；
2) secondly, model scanning instrument carries out the new dental morphology of model scanning, total digitalization design, Germany Envision3D
Printer printer model, according to digitlization 3D printing modelling transparent silicone rubber injection guide plate；
3) finally, the conventional polishing of tooth, patient it is intraoral try on guide plate, the processing of row's gum, Teflon adhesive tape protection adjacent teeth,
The intraoral juxtaposition injection head that resets of 35% phosphoric acid gel acid etching tooth body, painting alite paste, guide plate is in uniform in facing in guide plate injecting hole
Injection, brand is not limited through inside aesthstic guide plate photocuring plus ceramic material photocuring etc., barrier film proximal surface is taken out and tentatively repairs
Polish, 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 above-mentioned technical proposal, injection head diameter must be consistent with guide plate injection hole diameter in the step (3),
The pressure of note intracavitary relative closure can so be accomplished, and produce vacuum suction effect, so that the generation of bubble is reduced, resinous wood
Material applies U.S.'s BISCOREVEAL resins.
According to above-mentioned technical proposal, the step 3) in the Light Curing in intensity of illumination be not less than 440mW/
cm2。
According to above-mentioned technical proposal, agent is pasted for 3m Single Boud Universal, Kerr in the step 3
Versa。
The shaped device indication of resin veneer of the present invention：
1. there is aesthetic orthopaedics demand, but the patient of high All ceramic veneer medical expense, such as student, firm work can not be received in short term
Make personage, married person and the elderly；
2. need at once or recent entirety repairs patient；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 selection porcelain
The risky patient of veneer restorations；
4. pair conventional veneer restorations effect has the high-end patient of query, such as high-end tolerance hands over relatively low patient；
5. it is frightened to there is standby tooth, or is unsatisfied with person for whitening effect, be such as reluctant to ache after standby tooth, whitening/color bounce-back,
Important tetracycline pigmentation teeth and it is unable to closing gap.
Beneficial effects of the present invention：
The present invention smiles design and intraoral scanning 3D printing technique to the full extent with most leading DSD numerals in the world
Reduce the generation of production link error.Improvement injection molding technology is carried out using atmospheric pressure principle in the intraoral operation of patient, most
The generation of bubble is reduced in big degree, and more efficiently, the resin veneer that can complete 8 units for 1 hour or so makes.
Make working doctor lighter, patient is minimally invasive completely without any painful tooth off guard；It is attractive in appearance；Intensity is high, wear-resisting；Adjustable tooth
Volume morphing；Cost performance is high.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is worn over photo when on patient mouthful Tooth for apparatus of the present invention.
Fig. 3 is that the patient teeth after patient teeth's photo (a) and processing using apparatus of the present invention and method before processing is shone
Piece (b).
Fig. 4 is schematic diagram when apparatus of the present invention are in running order.
Reference implication is as follows：1：Mould；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.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
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, methods described includes：
S100, system of being turned in the transparent guide plate 11 of rigid outer layer is used for the tooth that resin veneer is formed on the tooth 4 of patient
The elastic inner layer transparent silicone rubber former 12 of tooth model, so as to form transparent including the transparent guide plate 11 of the outer layer and the internal layer
The mould 1 of silicon rubber former 12；It is used to form the resin veneer in corresponding to the transparent silicone rubber former 12
At position, the shaped device 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 that the injection orifice 13 holds
Receive the injection head 2；Preferably, the injection orifice is cylindrical hole, the cylindrical hole at the transparent guide plate 11 of outer layer
A diameter of 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 in the internal layer transparent silicone rubber former 12 form resin veneer
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
Rearward end and cone-shaped nose portion, and angle forward end contraction described in the cone-shaped nose portion.
S200, the mould 1 is worn on the tooth 4 of the patient, and cloudy in the internal layer transparent silicone rubber
The molding space 3 for moulding resin veneer is formed between the inwall of mould 12 and the surface of the tooth of the patient 4；
S300, the injection head 2 of syringe is inserted and causes injection head 2 and injection orifice in the injection orifice 13 of the mould
13 are fitted close, and the stir-in resin in syringe then is injected into 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 connected with the molding space 3 is formed at end, so as to eliminate the gas described in the molding space 3 in stir-in resin
Bubble；
S500, the stir-in resin in the molding space 3 is solidified, and is thus formed on the tooth 4 of the patient
The resin veneer.
In some cases, in step S300, injection head 2 is inserted in injection orifice 13 so that the end of injection head 2 is use up
Amount close to but without departing from injection orifice 13, then keep 1-20 second so as to which the gas in molding space 3 is tried one's best discharge, will note afterwards
Stir-in resin in emitter is slowly injected into the molding space 3.It can so cause what is entrained into injection process in stir-in resin
Bubble is minimum.
In some cases, in step S400, first by injection head 2 from injection orifice 13 extraction section, keep 5-30 seconds
Injection head 2 is reinserted into injection orifice 13 afterwards, after so repeatedly 2-5 times, is just completely drawn out injection head 2 from injection orifice 13.
So the stir-in resin in molding space 3 can be made to be alternately subjected to malleation and suction function, 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 relative position of the crown of the tooth 4 with it is described
Closed space 3 is connected；And in step S300, the position that the crown of the stir-in resin from the tooth 4 is relative enters institute
Closed space 3 is stated, and the tooth 4 is gradually coated along the crown 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；In the step S300, when the stir-in resin enters the closed space 3, the air in the closed space 3
Compressed, the internal layer transparent silicone rubber former 12 for being pressed together on gum or root surface is pushed up and opens and discharges；In step S400
In, when the negative pressuren zone is formed, 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 moved 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 provided with recessed
Groove 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 discharging gas
Bubble.The width of the groove is 0.5-1mm, and length is 1-20mm, and depth is 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 groove 14 is arranged on the internal layer transparent silicone rubber former 12 and gum or tooth
The width of root surface contact surface is more than 2mm, preferably greater than 4mm part.
Further, in step S300, during the insertion of injection head 2 injection orifice 13, the rigid outer layer is transparent to lead
Plate 11 plays the role of " card is embraced " to injection head 2, and the flexible internal layer transparent silicone rubber former 12 has circular extruding to injection head 2
Fixed effect.
Preferably, step S100 also includes：The tooth three-dimensional mathematical model of patient is obtained, according to tooth three-dimensional mathematical model
Tooth three-dimensional mathematical model designed for forming 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, first carry out after polishing of tooth, the processing of row's gum, acid etching facing, painting binding agent, then will
The mould 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 also includes：Oxygen-inhibiting agent, supplementary light solidification, edge adjustment are coated to resin veneer
With finishing polishing.
Embodiment 2
Refering to Fig. 1 to Fig. 4, the present invention provides a kind of shaped device of resin veneer, the shaped device 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 above-mentioned technical proposal, a diameter of 1.5mm of the outside thermoplastic film guide plate 11, internal layer transparent silicone rubber former 12
Direction hole diameter is 1.5mm, and empty side wall is received downwards in 3 °, 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 inserts 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 solid around extruding for injection head 2
Fixed effect, the inner transparent silica gel former 12 has been formed using having recovered the gypsum wax pattern formpiston after form and turn over system, and this
Gypsum formpiston stamp silicone gum rubber is produced patient is intraoral, when transparent silica gel guide plate 11 is in intraoral reset, is had very
Accurate Marginal microleakage, when injection head 2 and stamp contacts face in place with silica gel stamp edge, can be formed on the surface of tooth 4
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 is present, thus when inject extracted after sufficient amount resin penetrate when, the passage that internal air is released suddenly,
Then resin is had an autonomous atmosphere negative pressure resorption, allow chamber air to be completely exhausted out, reach an automatic row
The effect of bubble.
A kind of shaped device preparation method of resin veneer, the shaped device basic operation procedure of resin veneer is including as follows
Step：
Step one：Number, which is smiled, to be designed and modulus；
Step 2：Scan model and the aesthstic guide plate 11 of the postoperative modelling macromolecule of 3D printing；
Step 3：It is intraoral to try guide plate 11, acid etching facing on, rinse, apply and paste agent, photocuring, noted in aesthstic guide plate 11
Enter plus ceramic material, it is intraoral it is accurate in place, through the aesthstic photocuring of guide plate 11 and finished edge, sanding and polishing.
According to above-mentioned technical proposal, specific case is illustrated as：
1) first visit first, is carried out, preoperative esthetic analysis communication, PED designs are carried out with the U.S. tooth shows of ezDSDpro and EZ, is determined
Design modulus irrigates plaster cast, amendment edge and bubble, C classes silicone rubber impression, the red Tener super-low expansion gypsum of Germany
Perfusion model；
2) secondly, model scanning instrument carries out the new dental morphology of model scanning, total digitalization design, Germany Envision3D
Printer printer model, according to digitlization 3D printing modelling transparent silicone rubber injection guide plate 11；
3) finally, the conventional polishing of tooth 4, in patient, intraoral to try 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, guide plate 11 it is intraoral reset juxtaposition injection head 2 in the injecting hole of guide plate 11
Facing is uniformly injected, brand is not limited through inside the aesthstic photocuring of guide plate 11 plus ceramic material photocuring etc., barrier film neighbour is taken out
Face tentatively repairs 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 above-mentioned technical proposal, the step 3) in the diameter of injection head 2 must keep one with the injection hole diameter of guide plate 11
Cause, can so accomplish to note the pressure of intracavitary relative closure, and produce vacuum suction effect, so as to reduce the generation of bubble, set
Fat materials application U.S. BISCOREVEAL resins, the step 3) in the Light Curing in intensity of illumination be not less than
440mW/cm2, according to above-mentioned technical proposal, in the step 3 paste agent for 3m Single Boud Universal,
Kerr Versa。
Embodiment 3：
Refering to Fig. 1 to Fig. 4, the present invention provides a kind of shaped device of resin veneer, the shaped device 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 above-mentioned technical proposal, a diameter of 1.5mm of the outside thermoplastic film guide plate 11, internal layer transparent silicone rubber former 12
Direction hole diameter is 1.5mm, and empty side wall is received downwards in 3 °, 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 inserts 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 solid around extruding for injection head 2
Fixed effect, the inner transparent silica gel former 12 has been formed using having recovered the gypsum wax pattern formpiston after form and turn over system, and this
Gypsum formpiston stamp silicone gum rubber is produced patient is intraoral, when transparent silica gel guide plate 11 is in intraoral reset, is had very
Accurate Marginal microleakage, when injection head 2 and stamp contacts face in place with silica gel stamp edge, can be formed on the surface of tooth 4
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 is present, thus when inject extracted after sufficient amount resin penetrate when, the passage that internal air is released suddenly,
Then resin is had an autonomous atmosphere negative pressure resorption, allow chamber air to be completely exhausted out, reach an automatic row
The effect of bubble.
A kind of shaped device preparation method of resin veneer, the shaped device basic operation procedure of resin veneer is including as follows
Step：
Step one：Number, which is smiled, to be designed and modulus；
Step 2：Scan model and the aesthstic guide plate 11 of the postoperative modelling macromolecule of 3D printing；
Step 3：It is intraoral to try guide plate 11, acid etching facing on, rinse, apply and paste agent, photocuring, noted in aesthstic guide plate 11
Enter plus ceramic material, it is intraoral it is accurate in place, through the aesthstic photocuring of guide plate 11 and finished edge, sanding and polishing.
According to above-mentioned technical proposal, specific case is illustrated as：
1) first visit first, is carried out, is swept using intraoral scanner progress dental pattern row and touches digital modeling raising accuracy, is built
The clinical manipulation time, improve patient assessment's comfort level；
2) secondly, model scanning instrument carries out the new dental morphology of model scanning, total digitalization design, Germany Envision3D
Printer printer model, according to digitlization 3D printing modelling transparent silicone rubber injection guide plate 11；
3) finally, the conventional polishing of tooth 4, in patient, intraoral to try 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, guide plate 11 it is intraoral reset juxtaposition injection head 2 in the injecting hole of guide plate 11
Facing is uniformly injected, brand is not limited through inside the aesthstic photocuring of guide plate 11 plus ceramic material photocuring etc., barrier film neighbour is taken out
Face tentatively repairs 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 above-mentioned technical proposal, the step 3) in the diameter of injection head 2 must keep one with the injection hole diameter of guide plate 11
Cause, can so accomplish to note the pressure of intracavitary relative closure, and produce vacuum suction effect, so as to reduce the generation of bubble, set
Fat materials application U.S. BISCOREVEAL resins, the step 3) in the Light Curing in intensity of illumination be not less than
440mW/cm2, according to above-mentioned technical proposal, in the step 3 paste agent for 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 most leading DSD numerals in the world
Interior scanning 3D printing technique reduces the generation of production link error to the full extent.Atmospheric pressure is utilized in the intraoral operation of patient
Strong principle carries out improvement injection molding technology, and the generation of bubble is reduced to the full extent, and more efficiently, 1 hour or so
The resin veneer for completing 8 units makes.Make working doctor lighter, patient is minimally invasive completely without any painful tooth off guard；
It is attractive in appearance；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 essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of resin veneer moulding device, wherein the resin veneer is attached to dental surface, the shaped device includes using
In the mould for forming the resin veneer and syringe for injecting the resin for forming the resin veneer, the shaping
Mould includes the transparent guide plate of rigid outer layer and the elastic internal layer transparent silicone rubber former for forming the resin veneer, institute
Stating syringe has rigid injection head；It is used for the position for forming the resin veneer in corresponding to the transparent silicone rubber former
Place is put, the shaped device 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.
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
Locate as cylindrical hole, a diameter of 1-2mm of the cylindrical hole, the preferred 1.5mm of diameter；The injection orifice is in internal layer
It is cone-shaped hole at transparent silicone rubber former, the cone-shaped hole is close to the diameter at the transparent guide plate of the outer layer and institute
State the direct identical of cylindrical hole, and the cone-shaped hole is towards being used for shape in the internal layer transparent silicone rubber former
Shunk on the direction of the position of resin veneer with the angle of 1-5 degree, preferably the angle ranging from 3 degree；The injection head includes tool
There are cylindrical rearward end and the cone-shaped nose portion of the diameter, and the cone-shaped nose portion is received with the angle forward end
Contracting；The ratio of the length in the cone-shaped nose portion and the length of the cone-shaped hole is 1:1.5-5.
3. a kind of forming method of resin veneer, wherein the resin veneer is attached to the dental surface of patient, methods described bag
Include：
S100, system of being turned in the transparent guide plate of rigid outer layer is used for the tooth model that resin veneer is formed on the tooth of patient
Elastic inner layer transparent silicone rubber former, so that being formed in resin veneer moulding device as claimed in claim 1 or 2 includes institute
State the mould of the transparent guide plate of outer layer and the internal layer transparent silicone rubber former；
On S200, the tooth that the mould is worn over to the patient, and in the internal layer transparent silicone rubber former
Molding space is formed between wall and the dental surface of the patient；
In S300, the injection orifice that the injection head of syringe is inserted to the mould injection head is closely matched somebody with somebody with injection orifice
Close, the stir-in resin in syringe is then injected into the molding space；
S400, after the completion of injection, injection head is extracted out from injection orifice, so as in injection orifice at the front end of injection head formed with
The negative pressuren zone of the molding space connection, so as to eliminate the bubble described in the molding space in stir-in resin；
S500, the stir-in resin in the molding space is solidified, the tree is thus formed on the tooth of the patient
Fat veneer.
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, crown of the injection orifice in the tooth
Relative position is connected with the closed space；And in step S300, crown phase of the stir-in resin from the tooth
To position enter the closed space, and gradually coat the tooth along the crown of the tooth to the direction of 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
Gum or root surface of the female mould in the patient；In the step S300, when the stir-in resin is closed described in
When closing space, the air in the closed space is compressed, and will be pressed together on the internal layer transparent silicon rubber of gum or root surface
Jiao Yinmoding is opened and discharged；In step S400, when the negative pressuren zone is formed, the internal layer transparent silicone rubber former is described
It is pressed together at the root of the tooth of tooth on the surface of the tooth to prevent air from entering the closed space, and the bubble is to institute
State negative pressuren zone movement.
6. according to the forming method of the resin veneer of claim 4 or 5, wherein, in step S300, the injection head insertion note
During perforation, the rigid transparent guide plate of outer layer plays the role of " card is embraced ", the flexible internal layer transparent silicone rubber to injection head
Former plays the role of fixed around extruding to injection head.
7. according to the forming method of the resin veneer of claim 4 or 5, wherein, step S100 also includes：Obtain the tooth of patient
Three-dimensional digital model, according to patient teeth's three-dimensional digital model of acquisition designed for forming resin veneer on patient teeth
Tooth three-dimensional mathematical model, three-dimensional beat is carried out according to for forming the tooth three-dimensional mathematical model of resin veneer on patient teeth
Print to obtain the tooth model for being used to form resin veneer on the tooth of patient.
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
Extraction section and kept for 5-30 seconds in hole, injection head is then reinserted into injection orifice and kept for 5-30 seconds, repeatedly so 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 provided 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,
Arrange gum processing, acid etching facing, apply after binding agent, then the mould is worn on the tooth of the patient；In step S500
In, carry out illumination to solidify in the molding space through the transparent guide plate of the outer layer and the internal layer transparent silicone rubber former
Stir-in resin, is then coated oxygen-inhibiting agent, supplementary light solidification, edge adjustment and finishing polishing to resin veneer.
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| CN201710324598.3A CN107126272B (en) | 2017-05-10 | 2017-05-10 | A kind of device and method for resin veneer moulding |
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| CN201710324598.3A CN107126272B (en) | 2017-05-10 | 2017-05-10 | A kind of device and method for resin veneer moulding |
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| CN109259873A (en) * | 2018-07-18 | 2019-01-25 | 北京大学口腔医学院 | A kind of personalization tooth closes face transparent silicone rubber guide plate and its preparation, the method that tooth is suffered from auxiliary filling |
| CN109745127A (en) * | 2018-12-14 | 2019-05-14 | 厦门医学院附属口腔医院 | A kind of guide plate and preparation method thereof for instructing All ceramic veneer precisely to bond |
| 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 |
| CN113616368A (en) * | 2021-08-11 | 2021-11-09 | 牡丹江医学院 | Tooth exploration device |
| CN114848177A (en) * | 2022-04-15 | 2022-08-05 | 中国人民解放军空军军医大学 | Digital preparation method of front tooth diagnosis facing reproduction guide plate |
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