CN106037958B - The preparation method of multilayer facing - Google Patents
The preparation method of multilayer facing Download PDFInfo
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- CN106037958B CN106037958B CN201610558517.1A CN201610558517A CN106037958B CN 106037958 B CN106037958 B CN 106037958B CN 201610558517 A CN201610558517 A CN 201610558517A CN 106037958 B CN106037958 B CN 106037958B
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- facing
- internal layer
- diaphragm
- multilayer
- dentognathic model
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
Abstract
The invention discloses a kind of preparation method of multilayer facing, the number of plies >=2 layer of the multilayer facing, overall thickness is 0.2~1.2mm, and sequence carries out according to the following steps for it: (1) production of 3D dentognathic model；(2) finishing of dentognathic model；(3) compacting of internal layer facing；(4) compacting of sublevel facing；(5) multilayer facing is finally made in the compacting of N layers of facing.The method suppressed using multilayer controls the technical parameter in pressing process, is finally fabricated to personalized multilayer facing.The present invention is suitable for the preparation of multilayer facing.
Description
Technical field
The invention belongs to orthodontic fields, are related to a kind of preparation method of facing, and in particular to a kind of multilayer facing
Preparation method.
Background technique
Mainly bracket and arch wire is arranged on denture surface in traditional orthodontic, plays correcting action, by torsion and
The mode of passage is rescued.For beauty, facing has been transferred to tongue side by lip side, can't see in appearance, but this side
Method is stewed upper larger to the more demanding of doctor, in patient oral cavity, and not only foreign body sensation enhances, and cost is higher.With technology
Progress, invisalign are increasingly received and are used by patient, and no bracket invisalign is a kind of computer-aided design and manufacture
Transparent elastic material movable correcting device, it is the orthotic device of a Sequentially continuous, mobile by constantly small range tooth,
Reach tooth rescues purpose.The facing not only can control the size of Orthodontic force, and can control Orthodontic force effect when
Between, only certain teeth can move different phase, and other tooth is as anchorage, to complete the correction of tooth.In stealth
Field is rescued, is rescued using facing and is increasingly selected and received by patient, but stealth facing used in the prior art
It is single layer, the thickness of diaphragm is about 0.6~0.75mm, and selectivity is smaller, for patients with periodontal disease or is pasted with
The band of plucking of the patient of attachment causes difficulty, and the foreign body sensation that the thicker patient of facing wears is stronger, degree of comfort decreased.
Therefore, the facing for studying a kind of different-thickness with personalized customization, has great importance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of multilayer facing, the side suppressed using multilayer
Method controls the technical parameter in pressing process, is finally fabricated to personalized multilayer facing.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of preparation method of multilayer facing, the number of plies >=2 layer of the multilayer facing, overall thickness are 0.2~1.2mm,
Sequence carries out according to the following steps for it:
(1) production of 3D dentognathic model
Acquired dentognathic model data are printed on 3D printer, dentognathic model is cleaned later,
Solidification；
(2) finishing of dentognathic model
Discrete interval of tooth part is modified in dentognathic model；
(3) compacting of internal layer facing
A) diaphragm is identified；
B) using being preheated with a thickness of the diaphragm of 0.1~1.0mm, preheating time is 3~35s, preheating temperature is 160~
190℃；
C the diaphragm after preheating) is buckled in progress vacuum compacting in tooth jaw prototype, the dwell time is 5~60s, air pressure 0.3
~0.8bar；
D the dentognathic model for pressing film) is subjected to extra diaphragm cutting, then overlay film is extractd, facing is cut, is thrown
Internal layer facing is finally made in light；
(4) compacting of sublevel facing
The internal layer facing prepared in step (3) is worn on dentognathic model, secondary press mold is carried out；
A) diaphragm is identified；
B) using being preheated with a thickness of the diaphragm of 0.1~1.0mm, preheating time is 3~35s, preheating temperature is 160~
190℃；
C the diaphragm after preheating) is buckled in progress vacuum compacting, dwell time 5 in the tooth jaw prototype with internal layer facing
~60s, air pressure are 0.3~0.8bar；
D the dentognathic model for pressing film) is subjected to extra diaphragm cutting, facing is cut, is polished, sublevel is finally made
Facing；
(5) compacting of N layers of facing
Wherein, the number of plies is identical as the number of press mold, and n-th layer facing is n-th press mold, wherein the press mold of N >=2 mode with
Step (4) is identical, finally obtained multilayer facing.
As a kind of restriction of the invention, the dressing method of dentognathic model described in the step (2) is using people
Work filling and repairing or software design filling and repairing.
As further limiting for above-mentioned restriction, the artificial fill method is artificial filling dental wax or filling
Dental plaster；Software design, which is filled with, carries out editor's filling to dentognathic model data before carrying out 3D printing.
Limited as another kind of the invention, A in the step (3)) be to the recognition methods of diaphragm described in step
It is scanned and recognized on film laminator.
As the third of the invention restriction, D in the step (3)) step carrying out cutting in facing cutting process
After cutting, the shape of internal layer facing be length identical as sublevel facing, that internal layer facing coats corona be less than sublevel facing length,
Internal layer facing only coats lip side corona, internal layer facing only coats tongue side corona, internal layer facing only coats single tooth hat, internal layer facing
It only coats more continuous coronas or internal layer facing only coats one of more discontinuous coronas.
As further limiting for above-mentioned restriction, the shape of the internal layer facing is the length that internal layer facing coats corona
Less than sublevel facing length when, length range is that corona occlusal end words laterally descend height≤internal layer facing tooth of 0.1mm
The height of the height < sublevel facing corona cladding of hat cladding；If it is 3 layers or more of facing, every layer from corona from inside to outside
Occlusal end words laterally under height gradually increase.
As 4th kind of restriction of the invention, when using diaphragm thickness in the step (3) as 0.1mm, diaphragm it is pre-
The hot time is 3~5s, and preheating temperature is 160~170 DEG C, and the dwell time is 5~10s；When diaphragm thickness is 0.5mm, diaphragm
Preheating time is 15~25s, and preheating temperature is 160~190 DEG C, and the dwell time is 10~20s；When diaphragm thickness is 0.75mm,
The preheating time of diaphragm is 25~35s, and preheating temperature is 160~190 DEG C, and the dwell time is 20~60s；Diaphragm thickness is
When 1.0mm, the preheating time of diaphragm is 25~35s, and preheating temperature is 160~190 DEG C, and the dwell time is 30~60s.
Being limited as of the invention the 5th kind, C in the step (4)) step is in secondary press mold, first in tooth jaw mould
The brushing for easily tearing formula adhesive film is carried out in type, then internal layer facing is worn on dentognathic model again after adhesive film is dry, finally
Secondary press mold is carried out, formula adhesive film will be easily torn again after the completion of press mold and removes.
As the 6th kind of restriction of the invention, internal layer facing is worn in the step (4) dentognathic model and step (3)
In dentognathic model be the same or different dentognathic model for rescuing step.
The present invention is detachable structure between the multilayer facing or is bonded as one there are also a kind of restriction.
Due to the adoption of the above technical solution, compared with prior art, the present invention acquired technological progress is:
The method that the present invention uses multilayer compacting controls the technical parameter in pressing process, is finally fabricated to individual character
The multilayer facing of change.For the facing used for multilayered structure, it is that the shape of internal layer facing is and sublevel facing that structure, which can be a variety of,
Identical, internal layer facing cladding corona length is less than the length of sublevel facing, internal layer facing only coats lip side corona, internal layer facing
Only coat tongue side corona, internal layer facing only coats single tooth, internal layer facing only coats more continuous teeth or internal layer tooth
Set only coats one of more discontinuous teeth, while facilitating patient to pluck band, can play rectifying effect, can be directed to
The patient of different symptoms carries out personalized treatment, and multilayer facing, which can shorten, entirely to be rescued the time, and the comfort level of wearing increases.
Using method provided by the present invention during carrying out the compacting of sublevel facing, tooth jaw mould can be effectively placed
Dental wax or gypsum are for the pollution on the inside of facing in type filling process, when being filled using dental wax, not only
Not except easy cleaning, can also have an impact to the cutting of subsequent facing and bruting process, to being polluted on the inside of facing so that cutting
It skids, cut edge is undesirable, also has an impact to the utensil of cutting and polishing, shortens the service life of utensil.Multilayer
The preparation of facing, involved in technical parameter have a direct impact to final rectifying effect, during orthodontic
Case type have otherness, therefore multilayer facing can be directed to these othernesses, to patient carry out personalized treatment, such as needle
To patients with periodontal disease, every layer of thickness may be relatively thin in multilayer facing, and the height apart from bead line increases, and facilitates plucking for patient
Band, and further the gum of patient will not be caused to damage.
The present invention is suitable for the preparation of multilayer facing.
The present invention is described in further detail below in conjunction with specific embodiment.
Specific embodiment
A kind of preparation method of the multilayer facing of embodiment 1
A kind of preparation method of bilayer facing, overall thickness 1.0mm, sequence carries out according to the following steps for it:
(1) production of 3D dentognathic model
Acquired dentognathic model data are printed on 3D printer, later dentognathic model clean solid
Change；
(2) finishing of dentognathic model
Discrete interval of tooth part is modified in dentognathic model；Wherein, dressing method is using artificial filling
Perhaps it is artificial filling dental wax or filling dental plaster that software design, which fills the artificial fill method,；Software is set
Meter, which is filled with, carries out editor's filling to dentognathic model data before carrying out 3D printing；
(3) compacting of internal layer facing
A) diaphragm is identified, recognition methods is to scan and recognize on film laminator；
B) using being preheated with a thickness of the diaphragm of 0.5mm, preheating time 20s, preheating temperature is 190 DEG C；
C the diaphragm after preheating, which) is buckled in progress vacuum compacting, dwell time 60s, air pressure in tooth jaw prototype, is
0.4bar；
D) dentognathic model for pressing film is cut, then extracts overlay film, facing is cut, is polished, finally
Internal layer facing is made；The shape of internal layer facing is that length identical as sublevel facing, that internal layer facing coats corona is less than sublevel tooth
The length of set, internal layer facing only coat lip side corona, internal layer facing only coats tongue side corona, internal layer facing only coats single tooth
Tooth, internal layer facing only coat more continuous teeth or internal layer facing only coats one of more discontinuous teeth.It is described
Internal layer facing shape be internal layer facing coat corona length be less than sublevel facing length when, length range be corona
Occlusal end words laterally descend the height of height≤internal layer facing corona cladding height < sublevel facing corona cladding of 0.1mm.
(4) compacting of sublevel facing
The internal layer facing prepared in step (3) is worn on dentognathic model, secondary press mold is carried out；
A the brushing for easily tearing formula adhesive film) is carried out on dentognathic model；
B) diaphragm is identified, recognition methods is to scan and recognize on film laminator；
C) using being preheated with a thickness of the diaphragm of 0.5mm, preheating time 20s, preheating temperature is 190 DEG C；
D) diaphragm after preheating will be buckled in the tooth jaw prototype with internal layer facing and will be carried out very again after adhesive film is dry
Pneumatics system, dwell time 60s, air pressure 0.4bar；
E) formula adhesive film will be easily torn again after the completion of press mold to remove；
F) dentognathic model for pressing film is cut, facing is cut, is polished, it is final that the double-deck facing is made.
When due to secondary press mold, the modes of emplacement of diaphragm is different from the mode used when press mold for the first time, i.e. the direction of overlay film
For opposite direction, for the first time when press mold, overlay film can be convenient and remove close to dentognathic model side, in order to avoid dental wax when filling
Be pasted onto the inside of facing, when secondary press mold, the direction of overlay film is the outside of dentognathic model, if inside internal layer facing and
Overlay film is just had between sublevel facing, it has not been convenient to be removed, therefore when carrying out secondary press mold, be carried out first on dentognathic model easy
The brushing of formula adhesive film is torn, then internal layer facing is worn on dentognathic model again after adhesive film is dry, finally carries out secondary pressure
Film will easily tear formula adhesive film again after the completion of press mold and remove, and dental wax is pasted onto tooth when can effectively reduce secondary press mold
Cover the degree of inside, more convenient subsequent cleaning, grinding and buffing.
Dentognathic model and the dentognathic model in step (3) that internal layer facing is worn in the step (4) to be identical or
Difference rescues the dentognathic model of step, and when the dentognathic model for rescuing step using difference carries out press mold, usual situation bottom is adopted
With the adjacent dentognathic model rescued in step.
It is detachable structure between the multilayer facing or is bonded as one, when for separate structure, can carries out
The wearing of layering.
The preparation method of embodiment 2-11 multilayer appliance
Embodiment 2-11 is respectively a kind of preparation method of multilayer appliance, to similar, difference the step of embodiment 1
It is only that: the difference of technical parameter involved in preparation process, shown in table specific as follows:
The above described is only a preferred embodiment of the present invention, being not the restriction for making other forms to the present invention, appoint
What those skilled in the art is changed or is modified as equivalent variations as enlightenment possibly also with above-mentioned technology contents
Equivalent embodiment.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments
Made simple modification, equivalent variations and remodeling, still fall within the protection scope of the claims in the present invention.
Claims (9)
1. a kind of preparation method of multilayer facing, it is characterised in that: the number of plies >=2 layer of the multilayer facing, overall thickness 0
.2~1 .2mm, sequence carries out according to the following steps for it:
(1) production of 3D dentognathic model
Acquired dentognathic model data are printed on 3D printer, dentognathic model is cleaned later, is solidified；
(2) finishing of dentognathic model
Discrete interval of tooth part is modified in dentognathic model；
(3) compacting of internal layer facing
A) diaphragm is identified；
B) using being preheated with a thickness of the diaphragm of the .0mm of 0 .1~1, preheating time is 3~35s, preheating temperature is 160~
190℃；
C the diaphragm after preheating) is buckled in progress vacuum compacting in tooth jaw prototype, the dwell time is 5~60s, and air pressure is 0 .3~0
.8bar；
D the dentognathic model for pressing film) is subjected to extra diaphragm cutting, then overlay film is extractd, facing is cut, is polished,
Finally obtained internal layer facing；
(4) compacting of sublevel facing
The internal layer facing prepared in step (3) is worn on dentognathic model, secondary press mold is carried out；
A) diaphragm is identified；
B) using being preheated with a thickness of the diaphragm of the .0mm of 0 .1~1, preheating time is 3~35s, preheating temperature is 160~
190℃；
C the diaphragm after preheating) is buckled in the tooth jaw prototype with internal layer facing progress vacuum compacting, the dwell time is 5~
60s, air pressure are the .8bar of 0 .3~0；Wherein, C in the step (4)) step is in secondary press mold, first in dentognathic model
The brushing of formula adhesive film is easily torn in upper progress, and then internal layer facing is worn on dentognathic model again after adhesive film is dry, most laggard
The secondary press mold of row will easily tear formula adhesive film again after the completion of press mold and remove；
D the dentognathic model for pressing film) is subjected to extra diaphragm cutting, facing is cut, is polished, finally obtained sublevel tooth
Set；
(5) compacting of N layers of facing
Wherein, the number of plies is identical as the number of press mold, and n-th layer facing is n-th press mold, wherein the press mold of N >=2 mode and step
(4) identical, multilayer facing is finally made.
2. the preparation method of multilayer facing according to claim 1, it is characterised in that: described in the step (2)
The dressing method of dentognathic model is to use artificial filling and repairing or software design filling and repairing.
3. the preparation method of multilayer facing according to claim 2, it is characterised in that: the artificial fill method is behaved
Work fills dental wax or filling dental plaster；Software design be filled with before carrying out 3D printing to dentognathic model data into
Edlin filling.
4. the preparation method of multilayer facing according to claim 1, it is characterised in that: A in the step (3)) step
The recognition methods to diaphragm is to scan and recognize on film laminator.
5. the preparation method of multilayer facing according to claim 1, it is characterised in that: D in the step (3)) step
After carrying out the cutting in facing cutting process, the shape of internal layer facing is, internal layer facing cladding corona identical as sublevel facing
Length be less than sublevel facing length, internal layer facing only coats lip side corona, internal layer facing only coats tongue side corona, internal layer tooth
Only be preced with, internal layer facing only coats more continuous coronas or internal layer facing only coats more discontinuous coronas by cladding single tooth for set
One of.
6. the preparation method of multilayer facing according to claim 5, it is characterised in that: the shape of the internal layer facing is
When the length that internal layer facing coats corona is less than the length of sublevel facing, length range is that corona occlusal end words laterally descend 0
.1mm the height of height≤internal layer facing corona cladding height < sublevel facing corona cladding；If it is 3 layers or more
Facing gradually increases for every layer from inside to outside from height of the corona occlusal end words side under.
7. the preparation method of multilayer facing according to claim 1, it is characterised in that: use film in the step (3)
When piece is with a thickness of 0 .1mm, the preheating time of diaphragm is 3~5s, and preheating temperature is 160~170 DEG C, and the dwell time is 5~10s；
When diaphragm thickness is 0 .5mm, the preheating time of diaphragm is 15~25s, and preheating temperature is 160~190 DEG C, the dwell time
For 10~20s；When diaphragm thickness is 0 .75mm, the preheating time of diaphragm is 25~35s, and preheating temperature is 160~190 DEG C, is protected
The pressure time is 20~60s；When diaphragm thickness is 1 .0mm, the preheating time of diaphragm is 25~35s, and preheating temperature is 160~190
DEG C, the dwell time is 30~60s.
8. the preparation method of multilayer facing according to claim 1, it is characterised in that: internal layer tooth in the step (4)
Covering the dentognathic model in the dentognathic model worn and step (3) is the same or different dentognathic model for rescuing step.
9. the preparation method of multilayer facing according to claim 1, it is characterised in that: being between the multilayer facing can
Separate structure is bonded as one.
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| CN107137151A (en) * | 2017-04-05 | 2017-09-08 | 深圳市倍康美医疗电子商务有限公司 | A kind of forming method for having reeded digitlization appliance |
| CN106983568A (en) * | 2017-04-05 | 2017-07-28 | 深圳市倍康美医疗电子商务有限公司 | One kind digitlization appliance and its forming method |
| CN107137150A (en) * | 2017-04-05 | 2017-09-08 | 深圳市倍康美医疗电子商务有限公司 | A kind of reinforcement type digitizes the forming method of appliance |
| DE202018102517U1 (en) * | 2018-05-07 | 2018-05-17 | Ca Digital Gmbh | Device for producing a dental splint |
| CN109199611A (en) * | 2018-11-02 | 2019-01-15 | 青岛达芬奇科技有限公司 | A kind of customized facing and preparation method |
| CN109528322A (en) * | 2018-11-14 | 2019-03-29 | 四川雅齐医疗科技有限公司 | Multilayer Film and preparation method thereof |
| CN111973297A (en) * | 2020-07-08 | 2020-11-24 | 深圳牙领科技有限公司 | Accessory-free invisible appliance and preparation method thereof |
| CN112915383B (en) * | 2021-01-22 | 2023-12-22 | 中国人民解放军空军军医大学 | Lingual nerve stimulator dental brace and preparation method thereof |
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Address after: 201210 Shanghai city Pudong New Area Zu Road No. 2305 A block 122 Building 2 North Gate God's favored one Applicant after: Shanghai Ya Fang dental Polytron Technologies Inc Address before: 201210 Shanghai city Pudong New Area Zuchongzhi Road No. 2305 two floor A block 121 God's favored one Applicant before: Shanghai Smartee Dental Technology Co., Ltd. |
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Address after: 201210 Shanghai Pudong New Area Zuchong Road 2305 Tianzhijianzi A Block 122 North Gate 2 Floor Patentee after: Zhengya Dental Technology (Shanghai) Co.,Ltd. Address before: 201210 Shanghai Pudong New Area Zuchong Road 2305 Tianzhijianzi A Block 122 North Gate 2 Floor Patentee before: SHANGHAI SMARTEE DENTI-TECHNOLOGY Co.,Ltd. |