CN106691608A - Shell-shaped dental instrument for correcting occlusal interference - Google Patents
Shell-shaped dental instrument for correcting occlusal interference Download PDFInfo
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- CN106691608A CN106691608A CN201710107015.1A CN201710107015A CN106691608A CN 106691608 A CN106691608 A CN 106691608A CN 201710107015 A CN201710107015 A CN 201710107015A CN 106691608 A CN106691608 A CN 106691608A
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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
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
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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
- A61C7/36—Devices acting between upper and lower teeth
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- General Engineering & Computer Science (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a shell-shaped dental instrument for correcting occlusal interference. The shell-shaped dental instrument takes the shape of an integral shell, and comprises a cavity, wherein the cavity is used for accommodating multiple teeth of a first tooth row; jaw pillows are formed in a convex manner in the opposite jaw direction in an area between canine teeth and molar teeth; the jaw pillows are used for opening the first tooth row and an opposite jaw tooth row to a sufficient extent, and then front teeth of the opposite jaw tooth row can be relieved from hindering adjustment of front teeth of the first tooth row; the cavity takes a geometrical shape for repositioning the multiple teeth to second arrangement from first arrangement; and the positions of the front teeth of the second arrangement are different from that of the first arrangement.
Description
Technical field
Present invention relates generally to be used to rescue shelly dental appliance that tooth conjunction is disturbed and preparation method thereof.
Background technology
Tooth closes the relation and function that (occlusion) is upper and lower dental articulation.Patho-occlusion can influence the cranium face sound of baby talk to close
Coordination, abnormal occlusion attractive in appearance and function, cranio-orbital tumor and the direction of growth.Therefore, rescuing for general recommendations patho-occlusion is use up
Early start, children's early growth and development stage to shown dentognathic deformity, lopsided trend and dentognathic deformity can be caused
The cause of disease is prevented and is blocked, and the mouth jaw environment that the cranium face sound of baby talk closes epharmony is created to greatest extent, here it is being carried at present
The early stage advocated rescues (also referred to as I phase rescues).The conventional synthesis orthodontic treatment of the development peak period children and adults of outgrowth is then
Referred to as II phase rescues.
When at present, for upper jaw hypodevelopment mild teeth cross bite, including the anti-tooth of labial teeth introversive type is closed and preceding dental protrusion
The anti-tooth of type is closed, and conventional upper jaw hyperbolic tongue jaw cushion appliance is corrected, and appliance reinforcing position is adjusted according to different situations,
Lower jaw function extension is released, promotes maxillary development.When lower jaw overdevelopment mild teeth cross bite, lower jaw lip bow is commonly used
Labial teeth is inside accepted, is improved lower labial teeth lip and is inclined.
Upper jaw hyperbolic tongue jaw cushion appliance is in clinical mild teeth cross bite using relatively broad.Such appliance is by solid
Position, reinforcing and three parts of connection composition.
The snap ring that retainer bends for stainless steel wire, relies primarily on corona buccal surface undercut and two adjacent teeth embrasures are solid
Position.The maintenance mode has two drawbacks：On the one hand, maintenance easily occur not good for the unconspicuous infant of deciduous teeth undercut, repeatedly plucks after wearing
Fixing device is yielding, and use and therapeutic effect are worn in influence, and the easy loose or dislocation of appliance causes infant to gulp down by mistake；On the other hand, block
Ring normal pressure is compeled gum and causes infant pain uncomfortable, and severe patient results even in gum redness hyperplasia, and not only the oral cavity to infant is defended
Raw health has an impact, and easily makes infant that conflict psychology is produced to treatment.
Reinforcing part is labial teeth hyperbolic tongue, and tongue is bent by the elastic stainless steel silk of 0.4-0.5mm, before directly acting on
Tooth lingual surface.Pluck stainless steel wire during wearing and easily scratch surrounding mucous membrane, tongue reinforcing is improper to easily cause gum tenderness, and hyperbolic tongue
Fatiguability is broken after long-term reinforcing, and cause patient to gulp down by mistake stimulates gum with the sharp broken ends of fractured bone.Because hyperbolic tongue reinforces effect every time
Should be only capable of maintaining 1-2 weeks, infant further consultation is more frequent.And early stage correction at present is not yet popularized completely, infant receives medical treatment in allopatry situation
Generally, such further consultation pattern is unfavorable for that patient adheres to treatment, and many infants are because of further consultation difficulty delay treatment opportunity.
Coupling part (including backteeth jaw pad) is artificial tooth base resin.Artificial tooth base resin body of material is polymethyl
Sour methyl esters and its modified product, including self-solidifying type and heat setting type, are grinding and excitant chemistry can be being produced during repairing jaw pad
Smell, it is unfavorable to children's health.In order to wrap anchor ring and augmentor completely, appliance connector part is larger, normal pressure
Compel palate side mucous membrane.In addition, swill is easily accessible between appliance and mucous membrane, it is unfavorable for cleaning.And children palatine is quick in itself
Sense, pharyngeal reflex is relatively grown up seriously, and intelligence prematurity degree of cooperation is low, wears process higher to comfortableness requirement.
Additionally, during appliance use, patient and parent pluck wear it is improper easily cause appliance to deform, jaw pad is fragile
Sharpened edge is caused to scratch mucous membrane.
Interference problem is closed for other teeth, also mostly at present controlled using upper jaw hyperbolic tongue jaw cushion appliance
Treat.Lower jaw lip begg appliance device device is similar with its, has problems in maintenance, reinforcing and connected mode.
Traditional appliance treatment tooth closes interference its limitation in terms of security, comfortableness and convenience, also
Further improvement is treated, it is desirable to seek a kind of safer, comfortable and easily appliance.
The content of the invention
The one side of the application provides a kind of shelly dental appliance that interference is closed for rescuing tooth, its shell being integrated
Shape, with the cavity for accommodating first dentition multiple teeth, and canine tooth in the region between grinding one's teeth in sleep to raised to jaw direction
Jaw pad is formed, for the first dentition to be opened into enough degree with to jaw denture, before releasing the denture to jaw
To the obstruction of the adjustment of the labial teeth of the first dentition, the cavity has the multiple teeth is again fixed from the first layout tooth
Position to second layout geometry, wherein, it is described second layout labial teeth position it is different from the described first layout.
In some embodiments, the shaft rake of the labial teeth of second layout is different from the described first layout.
In some embodiments, the jaw pad by the shape to the first surface in jaw direction with when being engaged to jaw tooth quilt
The concavo-convex matching of shape of the Part I that the first surface is covered so that the first surface and the Part I during occlusion
Basic laminating.
In some embodiments, it is described for rescue tooth close interference shelly dental appliance thickness for 0.2~
2.0mm。
In some embodiments, fixed structure is formed with the shelly dental appliance that interference is closed for rescuing tooth,
Coordinate with the annex being arranged on tooth, the shelly dental appliance that interference is closed for rescuing tooth is fixed on tooth.
In some embodiments, the fixed structure is one below：Engraved structure, concave inward structure and combinations thereof.
The another aspect of the application provides a kind of for rescuing the preparation method that tooth closes the shelly dental appliance of interference, bag
Include：Acquisition represents the first mathematical model of the first layout of first dentition；Acquisition represents the second mathematical model of the second denture, its
In, second denture is the first dentition to jaw denture；Obtain the jaw pad setting area on the first dentition；Obtain
Position relationship both when the first dentition and the second denture open given extent；Based on first mathematical model, second
Mathematical model, jaw pad setting area and position relationship, produce the 3rd mathematical model for representing compound tooth mould, wherein, this is combined
Tooth mould be the first layout based on the first dentition and in the jaw pad setting area to convexing to form jaw pad mould to jaw direction
Type；And the shelly dental appliance that interference is closed for rescuing tooth is made using the 3rd mathematical model control device.
In some embodiments, when the first dentition and the second denture open the given extent, institute can be released
State the obstruction of the labial teeth of the second denture to the adjustment of the labial teeth of the first dentition.
In some embodiments, the jaw pad model is corresponding with the second denture by the geometry on the surface to jaw direction
The substantially concavo-convex matching of partial geometry.
In some embodiments, methods described also includes：Make described using the 3rd mathematical model control device
The physical model of compound tooth mould；And hot pressing film is made on the physical model of the compound tooth mould using hot pressing film forming technique
The shelly dental appliance that interference is closed for rescuing tooth.
In some embodiments, methods described also includes：Produced based on the 3rd mathematical model and represent described being combined
4th mathematical model of the negative norm type of model；And be made using the 4th mathematical model control device described for rescuing tooth
Close the shelly dental appliance of interference.
In some embodiments, methods described also includes：By the threedimensional model represented by first mathematical model and
Threedimensional model represented by second Array Model is maintained at the position relationship, by represented by first mathematical model
Jaw pad setting area on threedimensional model to extending specific range to jaw direction, and cause the shape of the top surface of the extension with
The concavo-convex matching of shape to jaw respective regions.
Brief description of the drawings
The above-mentioned and other feature of the application is described further below with reference to accompanying drawing and its detailed description.Should manage
Solution, these accompanying drawings illustrate only some exemplary implementation method according to the application, therefore be not considered as to this
Apply for the limitation of protection domain.Unless otherwise indicated, accompanying drawing is not necessarily to scale, and wherein similar label represents similar
Part.
Figure 1A is the schematic diagram of the anti-tooth combination of syndromes example of introversive type breast labial teeth in the application one embodiment；
Figure 1B is the schematic diagram of the preceding prominent anti-tooth combination of syndromes example of type breast labial teeth in the application one embodiment；
Fig. 2 be the application one embodiment in for rescue tooth close interference shelly dental appliance preparation method signal
Property flow chart；
Fig. 3 A schematically illustrate the formation of the application one embodiment mesognathy pad model；
Fig. 3 B schematically illustrate the compound tooth mould in the application one embodiment；
Fig. 4 A are the schematic sub-process figure of method shown in Fig. 2 in the application one embodiment；
Fig. 4 B are the schematic sub-process figure of method shown in Fig. 2 in the application one embodiment；
Fig. 5 schematically illustrates the shelly dental appliance that interference is closed for rescuing tooth in the application one embodiment；
And
Fig. 6 wears in schematically illustrating the application one embodiment for rescuing the shelly dental appliance of tooth conjunction interference
Situation in denture.
Specific embodiment
Refer to constitute the accompanying drawing of this specification part in the following detailed description.Showing mentioned by specification and drawings
Meaning property implementation method is not intended to limit the protection domain of the application only merely for being illustrative purpose.In opening for the application
Under showing, it will be appreciated by those skilled in the art that many other implementation methods can be used, and can be to described embodiment party
Formula makes various changes, without departing from purport of the invention and protection domain.It should be appreciated that the sheet for illustrating herein and illustrating
The various aspects of application can arrange, replace, combine, separate and design according to many different configurations, these difference configurations
All within the protection domain of the application.
Interference patho-occlusion is closed for children's early stage tooth, it is to carry out blocking prevention from cause of disease aspect that removal tooth closes interference
Key, this includes mild teeth cross bite, the conjunction of deciduous teeth incisor, deciduous dentition and is closed for the anti-tooth of the indivedual labial teeths of denture or incisor conjunction, deciduous dentition
And it is extremely caused to jaw malposition etc. for denture labial teeth shaft rake.
Mild teeth cross bite is that children's early stage tooth closes most common one kind in interference patho-occlusion, and the cause of disease is developed including the upper jaw
Not enough and lower jaw overdevelopment.If correcting not in time, extension causes extension muscle group function to be enlivened to lower jaw for a long time, before condyle position
Move, long-term overstimulation can cause the undue growth of mandibular condyle cartilage, the lower jaw overdevelopment deformity of bone can be caused to enter
One step develops.Tooth closes interference simultaneously causes upper jaw development limited, can also cause the not enough further development of maxillary development.Research table
Bright, upper mandibular is presented otherness and increases, and during 6-20 Sui, maxillary growth is more early completed, and the Mandibular Growth time is later
And the duration is long, lower jaw length change is the twice of the upper jaw.Therefore, if not correcting maxilla of children bone development not in time in early stage
The problem of foot, development of mandible difference can be increased further on the later stage.Upper jaw hypodevelopment and lower jaw overdevelopment are finally easily sent out
Transform into as skeletal Ⅲ malocclusion is ground one's teeth fastening deformity.Skeletal Ⅲ malocclusion is ground one's teeth fastening deformity patient's Mid- facial hypoplasia, side looks depression, to patient
Attractive in appearance, masticatory function, psychological development all have a significant impact.
Please join Figure 1A, schematically illustrate a case of introversive type mild teeth cross bite.
In the case, premanillary teeth 101a introversions are, it is necessary to increase positive torque and will be close to the part of incisxal edge toward lip side
To adjustment, but hindered by mandibular anterior teeth 103a.Therefore, upper and lower jaw is needed to be opened to when premanillary teeth 101a is adjusted
To a certain degree, releasing obstructions of the mandibular anterior teeth 103a to the adjustment of premanillary teeth 101a.
Please join Figure 1B, a case of prominent type mild teeth cross bite before schematically illustrating.
, it is necessary to the overall past lip sides of premanillary teeth 101b are adjusted in the case, and mandibular anterior teeth 103b is received inside, but
The adjustment that premanillary teeth 101b and mandibular anterior teeth 103b mutually holds.Therefore, before adjustment premanillary teeth 101b with lower jaw
, it is necessary to upper and lower jaw is opened to a certain extent during tooth 103b, to release premanillary teeth 101b and mandibular anterior teeth 103b to other side's
The obstruction of adjustment.
The schematical case of two above is that more typical tooth closes interference case, closes dry for rescuing tooth to the application below
The specific embodiment of the shelly dental appliance disturbed and preparation method thereof is described in detail.
Fig. 2 is for rescuing the preparation method 200 that tooth closes the shelly dental appliance of interference in the application one embodiment
Indicative flowchart.
In 201, acquisition represents the first mathematical model of the first layout of first dentition.
The labial teeth of first dentition needs adjustment, and interference is closed to correct tooth.Wherein, first dentition can be maxillary dentition,
It can be mandibular dentition.
First layout of first dentition is compared with previous layout, and both labial teeth positions are different, such as, and both labial teeth axles
Inclination is different.Compared to previous layout, the labial teeth position of the first layout is closer to target location.
In one embodiment, it is possible to use a series of shelly dental appliance that geometries gradually change is first dentition
Target layout is gradually remedied to from original layout.Therefore, the first layout can be that the first intermediate layout after original layout is arrived
Any one layout between target layout.In one embodiment, from the first intermediate layout to target layout, can wrap
Include multiple intermediate layouts and last intermediate layout gradually.
In one embodiment, the original figure model of the original layout for representing first dentition can be obtained and is represented
The target number model of the target layout of one denture, then using interpolation method, based on original figure model and target number model
Generation represents the first intermediate layout of first dentition to the mathematical model of last intermediate layout.
In one embodiment, the original figure model of the original layout for representing first dentition can be obtained, then in meter
Manual modification original figure model on calculation machine, the first intermediate layout that first dentition is represented to obtain gradually arrives the number of target layout
Word model.
In one embodiment, the original figure model of the original layout for representing first dentition can be obtained, is then utilized
Specially designed computer program, is automatically generated based on original figure model and represents the first intermediate layout of first dentition and gradually arrive
The mathematical model of target layout.
In certain embodiments, can by chromatographical X-ray scan (cat scan), digitlization tomography x-ray scan (CT),
The means such as cone-beam CT scan (CBCT), nuclear magnetic resonance statue (MRI), intraoral optical scanner, directly scan first dentition, obtain generation
The original figure model of the original layout of table first dentition.In some other embodiments, first first can be made with conventional meanses
The gypsum cast of denture, then by scanning device such as Laser Scanning Equipment, the CT scan device scan gypsum cast, obtain generation
The original figure model of the original layout of table first dentition.In some other embodiments, can first obtain first dentition stings mould,
By scanning device such as Laser Scanning Equipment, CT scan device scan, this stings mould again, and acquisition represents the original cloth of first dentition
The original figure model of office.
In one embodiment, the physical model (such as plaster cast) of first dentition can be obtained, wherein, the entity mould
It is mobilizable that the tooth of adjustment is needed in type, the position of these mobilizable teeth is then manually adjusted, to obtain from first
Intermediate layout gradually arrives target layout, then is in each cloth by scanning device such as Laser Scanning Equipment, CT scan device scan
The lower plaster cast of office, obtains and represents the first intermediate layout of first dentition and gradually arrive the mathematical model of target layout.
In certain embodiments, the 3D shape represented by mathematical model can include periodontal part gum, stick
Membrane tissue.
In certain embodiments, the 3D shape represented by the first mathematical model can be the first cloth based on first dentition
The 3D shape modification of office is obtained.Such as, to obtain corresponding function, corresponding annex can be added on first dentition.Again
Such as, for some defects occurs in the shelly dental appliance for preventing hot pressing film to be molded, some positions of first dentition can be carried out
Modification, such as fill undercut, in case there are the defects such as fold in shelly dental appliance.
In 203, acquisition represents the second mathematical model of the second denture, wherein, the second denture is first dentition to jaw
Denture.
The method being referred in 201 obtains the second mathematical model for representing the second denture.
If without correction, the threedimensional model represented by the second mathematical model can be the second denture to the tooth of the second denture
Original layout.
If the tooth of the second denture needs correction, the threedimensional model represented by the second mathematical model can be that first dentition is worn
The threedimensional model of the second denture with corresponding appliance when wearing shelly dental appliance.
In 205, jaw pad setting area is obtained.
In one embodiment, user can be by the user interface of computer in the three-dimensional represented by the first mathematical model
The region that jaw pad is set is specified on model, such as in the threedimensional model by delimiting the region for setting jaw pad on the surface to jaw.
In 207, position relationship when first dentition and the second denture opening given extent is obtained.
In one embodiment, it is only necessary to first dentition and the second denture are opened to and are enough to the degree for releasing obstruction i.e.
Can.
Such as, for the introversive type mild teeth cross bite case shown in Figure 1A, upper lower jaw can be opened to sufficiently large so that
Mandibular anterior teeth 103a does not hinder the adjustment of premanillary teeth 101a.
Such as, for type mild teeth cross bite case of dashing forward before shown in Figure 1B, upper lower jaw can be opened to sufficiently large so that
The adjustment that premanillary teeth 101b and mandibular anterior teeth 103b does not hold.
In 209, based on the first mathematical model, the second mathematical model, jaw pad setting area and first dentition and second
Denture opens position relationship during given extent, produces the 3rd mathematical model for representing compound tooth mould.
In one embodiment, the three-dimensional mould represented by the first mathematical model can be shown in the user interface of computer
The jaw face of type is seen, and jaw pad setting area then delimited on the threedimensional model represented by the first mathematical model.Such as, can be
The part of threedimensional model represented by one mathematical model from canine tooth to grinding one's teeth in sleep sets jaw pad by being specified on the surface to jaw
Region.
Please join Fig. 3 A, in one embodiment, can by open given extent when between first dentition and the second denture
Position relationship, enters the threedimensional model 303 represented by the mathematical model of threedimensional model 301 and second represented by the first mathematical model
Row positioning.Then, the jaw pad setting area 305 on the threedimensional model represented by the first mathematical model is made along assigned direction A towards
Threedimensional model represented by two mathematical models extends certain distance, and causes the shape and the second numeral of the top surface of the extension
The concavo-convex matching of shape of the appropriate section of the threedimensional model represented by model, obtains the 3rd mathematical model.
In some embodiments, the direction that jaw pad extends can be determined according to the direction of occlusion.Can also be by user
Specify bearing of trend.
In some embodiments, it is determined that can contemplate the thickness of shelly dental appliance when jaw pad extended distance.
Please join Fig. 3 B again, schematically illustrate the threedimensional model represented by the 3rd mathematical model, that is, be combined tooth mould 307.
In this embodiment, being combined tooth mould 307 includes the first dentition 301 in the first layout and the jaw pad setting in first dentition
The jaw pad model 309 formed on region.
In certain embodiments, the 3rd mathematical model can be smoothed, to eliminate the three-dimensional mould represented by it
Compare sharp part in type, to avoid the shelly dental appliance made based on hot pressing film forming technique from producing defect.
In 211, the shelly dental appliance that interference is closed for rescuing tooth is made using the 3rd mathematical model control device.
Please join Fig. 4 A, be for rescuing the preparation method that tooth closes the shelly dental appliance of interference in the application one embodiment
200 schematic sub-process figure.
In 2111A, the positive model entity of compound tooth mould is made using the 3rd mathematical model control device.In some implementations
In example, it is possible to use the 3rd mathematical model control uv equipment is made the positive model entity of compound tooth mould.In other implementation
In example, it is possible to use the 3rd mathematical model control Digit Control Machine Tool is made the positive model entity of compound tooth mould.In other embodiment
In, it is possible to use the 3rd mathematical model control 3D printing equipment is made the positive model entity of compound tooth mould.
In 2113A, with hot pressing film forming technique, in the positive model of compound tooth mould, physically hot pressing film is formed for rescuing
Tooth closes the shelly dental appliance of interference.
Please join Fig. 5, schematically illustrate the shelly dentistry device for closing interference in the application one embodiment for rescuing tooth
Tool 500.Shelly dental appliance 500 includes accommodating the cavity 501 of first dentition 301, and in the region of canine tooth to backteeth to right
Jaw direction convexes to form jaw pad 503.Wherein, cavity 501 have first dentition 301 from first be laid out be repositioned onto the second cloth
The geometry of office.Wherein, the labial teeth shaft rake under first dentition 301 is laid out second is different from the first layout.Wherein, jaw pad
503 match by the shape to the surface 505 of jaw is concavo-convex with the corresponding part to jaw tooth.
Please join Fig. 6, schematically illustrate the situation that shelly dental appliance 500 is worn on first dentition 301.Jaw pad
503 301 and second denture of first dentition 303 is opened the degree specified so that the labial teeth of the second denture 303 does not disturb the first tooth
The adjustment of the labial teeth of row 301.Shape and second denture 303 corresponding part concavo-convex of the jaw pad 503 by the surface 505 to jaw
Match somebody with somebody so that wear more comfortable.
Please join Fig. 4 B, be for rescuing the preparation method that tooth closes the shelly dental appliance of interference in the application one embodiment
200 schematic sub-process figure.
In 2111B, the 4th mathematical model of the negative norm type for representing compound tooth mould is produced based on the 3rd mathematical model.
In certain embodiments, certain thickness, such as 0.2~2mm, as shelly dentistry device can be set for the negative norm type
The thickness of tool.
In 2113B, the shelly dental appliance that interference is closed for rescuing tooth is made with the 4th mathematical model control device.
In some embodiments, can be used to rescue tooth conjunction interference with the 4th mathematical model control 3D printing equipment making
Shelly dental appliance.
In some embodiments, multiple shelly dental appliances that interference is closed for rescuing tooth gradually can be made, with
The shaft rake of the labial teeth of first dentition 301 is successively adjusted in place.
In some embodiments, first is rescued in the shelly dental appliance that interference is closed for rescuing tooth using the application
While denture 301, the tooth layout of the second denture 303 can be adjusted using the shelly dental appliance without jaw pad.
For the case that upper and lower jaw labial teeth is adjusted using shelly dental appliance, jaw pad can be arranged on for rectifying
On the shelly dental appliance of positive maxillary dentition, it is also possible to be arranged on the shelly dental appliance for correcting mandibular dentition.
Although being disclosed that many aspects and embodiment of the application, under the inspiration of the application, the application its
He aspect and embodiment be also to those skilled in the art obvious.Various aspects disclosed herein and embodiment
It is for illustration purposes only, and unrestricted purpose.The protection domain and purport of the application are only by appended claims come really
It is fixed.
Equally, each chart can show the exemplary architecture or other configurations of disclosed method and system, and it is helped
Feature and function in understanding can be included in disclosed method and system.Claimed content is not limited to shown showing
Example property framework or configuration, and desired feature can be realized with various alternative architectures and configuration.In addition, for flow
Figure, functional descriptions and claim to a method, square frame order described herein should not necessarily be limited by be implemented to hold with same order
The various embodiments of the row function, unless explicitly pointed out within a context.
Unless otherwise expressly stated, term used herein and phrase and its variant be interpreted as it is open,
Rather than restricted.In some instances, such as " one or more ", " at least ", autgmentability word as " but being not limited to "
Converge and the appearance of phrase or other similar terms should not be construed as may without the example of this autgmentability term in intention
Or need to represent the situation of constriction.
Claims (12)
1. it is a kind of to close the shelly dental appliance for disturbing, its shelly being integrated, with many of first dentition of receiving for rescuing tooth
The cavity of tooth, and jaw pad is convexed to form to jaw direction in the region between grinding one's teeth in sleep in canine tooth, for by described first
Denture is opened to enough degree with to jaw denture, to release the labial teeth to jaw denture to the labial teeth of the first dentition
The obstruction of adjustment, the cavity has the geometry that the multiple teeth is repositioned onto the second layout from the first layout,
Wherein, the labial teeth position of second layout is different from the described first layout.
2. it is as claimed in claim 1 to be used to rescue the shelly dental appliance that tooth closes interference, it is characterised in that second layout
Labial teeth shaft rake it is different from the described first layout.
3. it is as claimed in claim 1 to be used to rescue the shelly dental appliance that tooth closes interference, it is characterised in that the jaw pad is by right
The shape of the first surface in jaw direction is concavo-convex with the shape of the Part I covered by the first surface to jaw tooth when being engaged
Matching so that the first surface is fitted substantially with the Part I during occlusion.
4. it is as claimed in claim 1 to be used to rescue the shelly dental appliance that tooth closes interference, it is characterised in that its thickness is
0.2~2.0mm.
5. it is as claimed in claim 1 to be used to rescue the shelly dental appliance that tooth closes interference, it is characterised in that described for rescuing
Tooth to be closed and be formed with fixed structure on the shelly dental appliance of interference, is coordinated with the annex being arranged on tooth, is used for described
The shelly dental appliance for rescuing tooth conjunction interference is fixed on tooth.
6. it is as claimed in claim 5 to be used to rescue the shelly dental appliance that tooth closes interference, it is characterised in that the fixed structure
It is one below：Engraved structure, concave inward structure and combinations thereof.
7. it is a kind of for rescue tooth close interference shelly dental appliance preparation method, including：
Acquisition represents the first mathematical model of the first layout of first dentition；
Acquisition represents the second mathematical model of the second denture, wherein, second denture is the first dentition to jaw denture；
Obtain the jaw pad setting area on the first dentition；
The position relationship for both obtaining when the first dentition and the second denture open given extent；
Based on first mathematical model, the second mathematical model, jaw pad setting area and position relationship, produce and represent compound tooth
3rd mathematical model of mould, wherein, the compound tooth mould is the first layout based on the first dentition and is set in the jaw pad
Region is to convexing to form jaw pad model to jaw direction；And
The shelly dental appliance that interference is closed for rescuing tooth is made using the 3rd mathematical model control device.
8. it is as claimed in claim 7 to be used to rescue the preparation method that tooth closes the shelly dental appliance for disturbing, it is characterised in that institute
When stating first dentition and the second denture opening given extent, the labial teeth of second denture can be released to first tooth
The obstruction of the adjustment of the labial teeth of row.
9. it is as claimed in claim 7 to be used to rescue the preparation method that tooth closes the shelly dental appliance for disturbing, it is characterised in that institute
Jaw pad model is stated to be matched by the geometry to the surface in jaw direction is substantially concavo-convex with the geometry of the second denture corresponding part.
It is 10. as claimed in claim 7 to be used to rescue the preparation method that tooth closes the shelly dental appliance for disturbing, it is characterised in that
It also includes：
The physical model of the compound tooth mould is made using the 3rd mathematical model control device；And
Using hot pressing film forming technique, hot pressing film is made and described closes dry for rescuing tooth on the physical model of the compound tooth mould
The shelly dental appliance disturbed.
11. preparation methods for being used to rescue the shelly dental appliance that tooth closes interference as claimed in claim 7, it is characterised in that
It also includes：
The 4th mathematical model of the negative norm type for representing the composite model is produced based on the 3rd mathematical model；And
The shelly dental appliance that interference is closed for rescuing tooth is made using the 4th mathematical model control device.
12. preparation methods for being used to rescue the shelly dental appliance that tooth closes interference as claimed in claim 7, it is characterised in that
It also includes：By the threedimensional model represented by the threedimensional model represented by first mathematical model and second Array Model
The position relationship is maintained at, by the jaw pad setting area on the threedimensional model represented by first mathematical model to jaw side
To extension specific range so that the shape of the top surface of the extension is substantially concavo-convex with the shape to jaw respective regions to be matched, so that
Obtain the 3rd mathematical model.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107015.1A CN106691608A (en) | 2017-02-27 | 2017-02-27 | Shell-shaped dental instrument for correcting occlusal interference |
| PCT/CN2018/074343 WO2018153219A1 (en) | 2017-02-27 | 2018-01-26 | Shell-shaped dental instrument for correcting occlusal interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107015.1A CN106691608A (en) | 2017-02-27 | 2017-02-27 | Shell-shaped dental instrument for correcting occlusal interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106691608A true CN106691608A (en) | 2017-05-24 |
Family
ID=58917583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107015.1A Pending CN106691608A (en) | 2017-02-27 | 2017-02-27 | Shell-shaped dental instrument for correcting occlusal interference |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106691608A (en) |
| WO (1) | WO2018153219A1 (en) |
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| CN112754691A (en) * | 2019-11-01 | 2021-05-07 | 上海正雅齿科科技股份有限公司 | Design method and preparation method of dental instrument |
| CN115281862A (en) * | 2022-10-10 | 2022-11-04 | 四川大学 | Adjusting pad of invisible orthodontic appliance and preparation device for manufacturing adjusting pad |
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| CN115998469A (en) * | 2023-03-24 | 2023-04-25 | 四川大学 | Shell-shaped retainer with adjustable flat guide and inclined guide integrated structure |
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| WO2018153219A1 (en) | 2018-08-30 |
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