CN110123467A - Gear division correction stealth facing and its application method with shape memory function - Google Patents
Gear division correction stealth facing and its application method with shape memory function Download PDFInfo
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- CN110123467A CN110123467A CN201910423343.1A CN201910423343A CN110123467A CN 110123467 A CN110123467 A CN 110123467A CN 201910423343 A CN201910423343 A CN 201910423343A CN 110123467 A CN110123467 A CN 110123467A
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- facing
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- memory function
- temperature
- shape memory
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2201/00—Material properties
- A61C2201/007—Material properties using shape memory effect
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A kind of gear division correction stealth facing and its application method with shape memory function, belongs to gear division instrument field.Stealthy facing preferably coincide with patient teeth according to its original shape of the tooth gum form Design of patient；Material is the bio-medical aliphatic polyester polymer material that can be used for 3D printing, and facing has shape memory function.When 60 DEG C of temperatures above adjust facing form to temporary shapes by external force；Temporary shapes can be kept for a long time when room temperature；Facing independently can slowly be returned to the permanent shape with correction function when body temperature.Before wearable product, one secondary facing is put into hot water, water temperature is at 60 DEG C or more, the uncomfortable position of the whole facing of hand adjustment is used after several minutes, and take out facing and be placed in and cool down at room temperature, external force is cancelled after shape is fixed, is worn, facing is independently returned to the permanent shape with correction function under oral temperature, achievees the purpose that efficiently to correct.The present invention can effectively mitigate patient and wear the pain caused when facing, promote the comfort level of macromolecule facing.
Description
Technical field
The invention belongs to gear division instrument field, it is related to a kind of shape memory function and can voluntarily pluck to wear no bracket invisalign
Device.
Background technique
Traditional metal orthodontic appliance has not been suitable for pursuing the modern of beauty, as time goes on, can voluntarily pluck
Wear favor of the invisible orthotic device without bracket gradually by more and more patients.As an emerging mouth cavity orthodontic technology, stealth is rectified
The facing for controlling technology is process using medical macromolecular materials, is had the characteristics that transparent, beautiful, comfortable.But by facing
There is a matching degree to rescue lopsided tooth position and set in intrinsic shape.Currently, being supplied to the transparent facing of patient in the market
It is lower with the matching degree in patient oral cavity, it is inevitably present error, patient easily causes discomfort at the initial stage for wearing appliance, has
It is a little even to cause ulcer of gums pain.Moreover, the material for manufacturing facing is generally harder, if patient voluntarily changes facing not
Easily cause the fracture or damage of facing in comfortable position；But if the manufacture transparent facing that quality is softer or toughness is high is difficult to again
Achieve the purpose that the abnormal tooth of correction.Therefore, whether shell shape appliance made of common gutta-percha piece hot pressing at present, still passes through
The invisible orthotic device of 3D printing technique production all there are problems that wearing difficult or injured patient oral cavity, and then influence trouble
Acceptance of the person for invisible orthotic device.
Summary of the invention
The present invention overcomes the defects of facing in existing invisalign technology, provide a kind of with the hidden of shape memory function
Shape facing, existing higher hardness achieve the purpose that straightening of teeth, and can voluntarily change its interim shape before wearing by patient
Shape keeps comfortable wearing convenient.And it is easy to operate, patient can be in arbitrary site's complete independently.Tooth is worn to which patient be effectively reduced
The damage and pain caused when set, promotes the comfort level and safety of facing, while improving patient for macromolecule stealth tooth
The satisfaction and acceptance of set.
In order to achieve the above object, The technical solution adopted by the invention is as follows:
A kind of gear division correction stealth facing with shape memory function, the stealth facing is according to the tooth gum shape of patient
State designs its original shape, preferably coincide with patient teeth；One secondary facing is divided into upper shell and lower shell two parts, entirety
Shape is the shape of a hoof, and has clearly dental surface shape.The stealth facing material is biological medical fat adoption ester high score
Sub- material, the aliphatic polyester polymer material include polylactic acid, polycaprolactone, poly- valerolactone, polytrimethylene carbonic acid
The binary or ternary copolymer of ester, the preferably binary random copolymer of polylactic acid and caprolactone.The material that the stealth facing uses
Material has shape memory function, can be used for 3D printing, Shape memory behavior repeated multiple times can carry out.Material is at 60 DEG C or more
Facing form can be adjusted when (i.e. 15 DEG C~20 DEG C in the transfer of shapes temperature of material) by external force to temporary shapes；Work as temperature
After removing external force when being down to room temperature, which can keep for a long time；(the i.e. shape of material when being placed in 37 DEG C of body temperature of human body
Near transition temperature) material independently can slowly reply its permanent shape, i.e., shape when facing dispatches from the factory.
A kind of application method of the gear division correction stealth facing with shape memory function, comprising the following steps:
Firstly, determining needs adjust not before use, the original shape facing with correction is placed in oral cavity
Comfortable position.
Secondly, the gear division correction stealth facing after standing at least 3 minutes, is made as in 60 DEG C or more hot water or environment
User passes through hand or tool at such a temperature and applies external force manually to facing, adjusts uncomfortable position according to itself oral condition
It sets, to assign its temporary shapes.
Finally, facing adjusted to be taken out to placement from water at room temperature, and room is cooled under continuous disturbances effect
Temperature cancels external force after temporary shapes are fixed, which, which facilitates, is worn.After wearing, in human oral cavity environment, tooth
Set is independently slowly returned to facing original shape, achievees the purpose that straightening of teeth.
The binary random copolymer of the polylactic acid and caprolactone, glass transition temperature 30 DEG C~37 DEG C it
Between, preparation method includes the following steps:
Firstly, lactide monomer, 20%~40% caprolactone monomer, liquid by mass percentage for 60%~80%
Stannous octoate (Sn (Oct)2) be fitted into as catalyst in dry polymerization pipe, wherein the amount of catalyst accounts for monomer gross mass point
Several 0.1%~0.5%；Rear tube sealing is vacuumized to system nitrogen charging deoxygenation, is put into polymerization reaction 12h in 130 DEG C~170 DEG C baking ovens
~48h, obtains crude product.Secondly, pouring into 5~10 times of methanol after crude product is completely dissolved in chloroform and washing out polymer precipitating simultaneously
It washs repeatedly, removes unreacted monomer and catalyst.It dries finally, placing it in 40 DEG C~60 DEG C vacuum drying ovens to perseverance
Weight, obtains the binary random copolymer of polylactic acid and caprolactone.
The binary or ternary of the polyester such as polylactic acid, polycaprolactone, poly- valerolactone, the polytrimethylene carbonate is copolymerized
In object, other copolymer preparation methods are similar to the binary random copolymer of polylactic acid and caprolactone, monomer include lactide,
Caprolactone, valerolactone, trimethylene carbonate etc..
It compared with prior art, the invention has the benefit that can be according to personal tooth shape before patient wears facing
State and mouth feel voluntarily adjust facing shape, easy to operate feasible, make facing is more comfortable, safer, more convenient to wear.And
And at a temperature of human oral cavity, facing can independently be returned to the permanent shape with rectification effect, will not influence straightening of teeth
Effect.The present invention can be effectively improved stealthy facing wearing problem urgently to be solved, improve patient for macromolecule stealth tooth
The satisfaction and acceptance of set.
Detailed description of the invention
Fig. 1 is upper shell structural schematic diagram of the invention.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1:
A kind of gear division correction stealth facing with shape memory function, the stealth facing is according to the tooth gum shape of patient
State designs its original shape, and a secondary facing is divided into upper tooth and lower tooth two parts, and global shape is the shape of a hoof, and is had clearly
Dental surface shape (similar to transparent facing structure on the market).The stealth facing material is biological medical polymer material rouge
Fat adoption ester, the specially binary random copolymer of polylactic acid and caprolactone.The material that the stealth facing uses is remembered with shape
Recall function, can be used for 3D printing, Shape memory behavior repeated multiple times can carry out, and material can be adjusted at 60 DEG C by external force
Facing form can keep temporary shapes when temperature is lower than 30 DEG C, in 37 DEG C of temperature of body temperature to temporary shapes for a long time
(i.e. near the transfer of shapes temperature of the material) material slowly can independently reply its permanent shape, i.e., shape when facing dispatches from the factory.
A kind of application method of the gear division correction stealth facing with shape memory function, comprising the following steps:
Firstly, according to the original shape of the tooth gum form Design facing of patient, before use, being placed on oral cavity
It is interior, it determines and needs the uncomfortable position that adjusts, example tension at A point as shown in figure 1, when wearing causes uncomfortable.
Secondly, after static 3 minutes, user is at such a temperature by the gear division correction stealth facing as in 60 DEG C of hot water
By hand or tool external force is applied to facing manually, and after adjusting uncomfortable position according to itself oral condition, assigns it and face
When shape.Determine that tension causes uncomfortable at A point, then exerts a force on the inside of facing outward at A point, by slightly support is big at this.
Finally, facing adjusted to be taken out to placement from water at room temperature, and room is cooled under continuous disturbances effect
Temperature cancels external force after being cooled to room temperature.Temporary shapes have been fixed at this time, can be worn in oral cavity.After wearing, in human body
In oral environment, facing is independently slowly returned to facing original shape, can effectively avoid damage of the facing to oral cavity, and can reach
The purpose of correction.
The material that gear division correction stealth facing of the present invention uses the preparation method is as follows:
Firstly, lactide monomer, 20% caprolactone monomer, liquid stannous octoate (Sn by mass percentage for 80%
(Oct)2) be fitted into as catalyst in dry polymerization pipe, wherein the amount of catalyst accounts for the 0.3% of monomer gross mass score；It is right
System nitrogen charging deoxygenation vacuumizes rear tube sealing, is put into polymerization reaction 36h in 150 DEG C of baking ovens, obtains crude product.Secondly, by crude product
After being completely dissolved in chloroform, pours into 10 times of methanol and wash out polymer precipitating and wash repeatedly, remove unreacted monomer and catalyst.
It dries finally, placing it in 50 DEG C of vacuum drying ovens to constant weight, obtains the binary random copolymer of polylactic acid and caprolactone,
Glass transition temperature is 36.5 DEG C or so.
Embodiment described above only expresses embodiments of the present invention, and but it cannot be understood as to the invention patent
Range limitation, it is noted that for those skilled in the art, without departing from the inventive concept of the premise, also
Several modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (4)
1. a kind of gear division correction stealth facing with shape memory function, which is characterized in that the stealthy facing is according to trouble
Its original shape of the tooth gum form Design of person, a secondary facing are divided into upper shell and lower shell two parts, and shape is horseshoe
Shape, and there is clearly dental surface shape；The stealthy facing material is biological medical fat adoption ester high molecular material,
Including polylactic acid, polycaprolactone, poly- valerolactone, polytrimethylene carbonate binary or ternary copolymer；The stealthy tooth
The material that set uses has shape memory function；When place the material in 60 DEG C of environment temperature or more, tooth can be adjusted by external force
Form is covered to temporary shapes；When temperature is down to room temperature, which can keep for a long time；It, should when being placed in body temperature
Material independently can slowly be returned to the permanent shape with correction function.
2. a kind of gear division correction stealth facing with shape memory function according to claim 1, which is characterized in that institute
The stealthy facing material stated is preferably the binary random copolymer of polylactic acid and caprolactone.
3. a kind of application method of the gear division correction stealth facing with shape memory function, it is characterised in that following steps:
Firstly, what determining needs adjusted does not relax before use, the facing of the original shape with correction is placed in oral cavity
It sets right position；
Secondly, by the facing as in 60 DEG C or more of hot water or environment, after standing, user pass through at such a temperature hand or
Tool applies external force to facing, and adjusts uncomfortable position according to itself oral condition, to assign its temporary shapes；
Finally, facing adjusted to be taken out to placement from water at room temperature, and it is cooled to room temperature under continuous disturbances effect, to
External force is cancelled after temporary shapes are fixed, is worn, in human oral cavity environment, facing is independently slowly returned to the initial shape of facing
Shape achievees the purpose that straightening of teeth.
4. a kind of application method of gear division correction stealth facing with shape memory function according to claim 3,
It is characterized in that, facing is not less than 3 minutes in 60 DEG C or more of at a temperature of time of repose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423343.1A CN110123467A (en) | 2019-05-21 | 2019-05-21 | Gear division correction stealth facing and its application method with shape memory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423343.1A CN110123467A (en) | 2019-05-21 | 2019-05-21 | Gear division correction stealth facing and its application method with shape memory function |
Publications (1)
| Publication Number | Publication Date |
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| CN110123467A true CN110123467A (en) | 2019-08-16 |
Family
ID=67571874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423343.1A Pending CN110123467A (en) | 2019-05-21 | 2019-05-21 | Gear division correction stealth facing and its application method with shape memory function |
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| CN (1) | CN110123467A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507432A (en) * | 2019-08-27 | 2019-11-29 | 深圳牙领科技有限公司 | One kind is rescued with selfreparing hot pressing diaphragm |
| CN112451130A (en) * | 2020-12-03 | 2021-03-09 | 北京联袂义齿技术有限公司 | Invisible tooth socket with memory function, cleaning tool and using method of invisible tooth socket |
| CN112641523A (en) * | 2020-09-16 | 2021-04-13 | 上海六普医疗科技有限公司 | Method for manufacturing macromolecule orthodontic tooth socket |
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Application publication date: 20190816 |
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