CN102375908B - The method manufacturing the dental instruments progressively adjusting tooth position - Google Patents
The method manufacturing the dental instruments progressively adjusting tooth position Download PDFInfo
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- CN102375908B CN102375908B CN201110222246.XA CN201110222246A CN102375908B CN 102375908 B CN102375908 B CN 102375908B CN 201110222246 A CN201110222246 A CN 201110222246A CN 102375908 B CN102375908 B CN 102375908B
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Abstract
A kind of manufacture progressively adjusts the method for the dental instruments of tooth position, comprising: produce the 3-D view of set of teeth；Repeatedly move one or multiple teeth according to user instruction, corresponding each tooth move produce one single by moving teeth coordinate data group sequence, each single is included the corresponding tooth coordinate when completing corresponding movement by moving teeth coordinate data group；Combine single to be formed by moving teeth group coordinate data group sequence by the coordinate data group of moving teeth, each included by moving teeth group coordinate data group corresponding with current metamorphosis stage dbjective state each by the coordinate data group of moving teeth；Utilize the formpiston being made a series of set of teeth by moving teeth group coordinate data group sequence；These formpistons form a series of former, as the dental instruments progressively adjusting tooth position.
Description
Technical field
The application is relevant orthodontic fields, more particularly to computer aided manufacturing for progressively adjusting tooth position
The method of dental instruments.
Background technology
Traditional abnormal tooth correcting method be use bracket appliance correct, its shortcoming be chain mark impact attractive in appearance with
And need the manual constantly regulation of doctor so that rescue process complexity, somewhat expensive.Relative to traditional bracket appliance
Speech, invisalign technology, it is not necessary to bracket and steel wire, use a series of invisible orthotic device, this kind of invisible orthotic device is by pacifying
Complete elastic transparent polymer material is made, make process of rescuing almost other people without completing in discovering, do not affect daily life and
Social.Meanwhile, without bonding bracket, adjusting the loaded down with trivial details of arch wire, clinical manipulation is greatly simplified, and whole process of rescuing saves time and saves
Power.Therefore, used by increasing people without bracket invisalign method at present.
Existing invisible orthotic device design and production method such as Chinese Patent No. 98806354.9 and Chinese patent application
Described by No. 200910023198.But existing method for designing rescues step tooth dbjective state so that interpolation calculation is each
Position, so, whole rescue during, each tooth relating to rescuing is to fix step pitch by one to move towards a direction so that
Rescue underaction and personalization.Therefore, it is necessary to provide a kind of more flexible dental appliance method for designing.
Summary of the invention
One of purpose of the application is provide a kind of new computer-aided design and manufacture multiple for progressively adjusting
The method and apparatus of the dental instruments of tooth.
The one side of the application provides a kind of method of digital data sets producing and representing dental phenomenon, the method bag
Include:
Obtain the first digital data sets representing one group of tooth first state；
The 3-D view representing set of teeth is provided based on the first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
According to first group of user instruction, the first tooth application operating of set of teeth is accorded with repeatedly, it is thus achieved that represent the first tooth
From the first state to N1First digital data sets sequence of state；
According to second group of user instruction, the second tooth application operating of set of teeth is accorded with repeatedly, it is thus achieved that represent the second tooth
From the first state to N2Second digital data sets sequence of state, wherein, first and second group user instruction is by user's root
Input according to 3-D view；And
According to the 3rd group of user instruction, combine described first digital data sets sequence and the second digital data sets sequence, produce
The raw expression described set of teeth the 3rd digital data sets sequence from the first state to nth state, wherein, N1、N2And N is greatly
In the integer of 2.
In one embodiment, the 3-D view of set of teeth is to organize user instruction real-time update according to first and second.
In one embodiment, operator includes along the translation of coordinate system X-axis, along the translation of coordinate system Y-axis, along coordinate system Z
Axle translates, rotates around coordinate system X-axis, rotates around coordinate system Y-axis, around the rotation of coordinate system Z axis and their combination in any.
In one embodiment, the method also includes: according to the 4th group of user instruction, arrange the step value of operator.
In one embodiment, digital data sets includes the coordinate data of tooth.
In one embodiment, wherein, the first tooth is often applied once-through operation symbol correspondence produce the first numerical data
A digital data sets in group sequence, often applies once-through operation symbol correspondence to produce the second digital data sets sequence to the second tooth
In a digital data sets.
The another aspect of the application provides a kind of side manufacturing multiple dental instruments progressively adjusting one group of tooth position
Method, comprising:
Each digital data sets utilizing above-described 3rd digital data sets sequence makes a sun of set of teeth
Mould, it is thus achieved that a series of formpistons of set of teeth；And
In each of a series of formpistons, a former is formed, it is thus achieved that a series of formers, as progressively with elastomeric material
Adjust the dental instruments of set of teeth.
The another aspect of the application provides a kind of method of digital data sets producing and representing dental phenomenon, the method bag
Include:
Obtain the first digital data sets representing one group of tooth first state；
The 3-D view of this group tooth is provided based on the first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
According to first group of user instruction, the first tooth in this group tooth is applied described operator repeatedly, it is thus achieved that represent
This group tooth is from the first digital data sets of a series of dental phenomenons gradually of described first dental phenomenon to N dental phenomenon
Sequence, wherein, described user instruction is that user inputs according to the 3-D view of this group tooth.
In one embodiment, according to application each time and first numerical data of the operator of first group of user instruction
A digital data sets in collection sequence is corresponding.
In one embodiment, the method also includes: according to second group of user instruction, should to the second tooth of set of teeth
By operator repeatedly.
In one embodiment, according to application each time and first numerical data of the operator of second group of user instruction
A digital data sets in collection sequence is corresponding.
In one embodiment, the 3-D view of tooth is according to user instruction real-time update.
In one embodiment, operator includes following at least one: along the translation of coordinate system X-axis forward, along coordinate
It is the translation of X-axis negative sense, translates along coordinate system Y-axis forward, along the translation of coordinate system Y-axis negative sense, along the translation of coordinate system Z axis forward, edge
Coordinate system Z axis negative sense translates, turns clockwise around coordinate system X-axis, rotates counterclockwise around coordinate system X-axis, around coordinate system Y-axis up time
Pin rotates, turns clockwise around coordinate system Z axis and their combination in any.
The another aspect of the application provides a kind of method of digital data sets producing and representing dental phenomenon, the method bag
Include:
Obtain the first digital data sets representing one group of tooth first state；
The 3-D view of this group tooth is provided based on the first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
According to first group of user instruction, the first tooth in this group tooth is applied described operator repeatedly, it is thus achieved that first
The sequence of operation；
According to second group of user instruction, the second tooth in this group tooth is applied described operator repeatedly, it is thus achieved that second
The sequence of operation, wherein, first group and second group of user instruction are that user inputs according to the 3-D view of this group tooth；
Combine first sequence of operation and second sequence of operation obtains total sequence of operation；And
Expression set of teeth is produced from the first dental phenomenon to N tooth shape according to total sequence of operation and the first digital data sets
First digital data sets sequence of a series of dental phenomenons gradually of state.
In one embodiment, in corresponding first sequence of operation of application of the operator each time of the first tooth
Individual operation, to an operation in corresponding second sequence of operation of application of the operator each time of the second tooth.
In certain embodiments, the method also includes: judge whether set of teeth is in course of adjustment according to digital data sets
There is collision, if any, then point out to exist the digital data sets of collision, point out to concentrate, in this numerical data, the tooth collided simultaneously
Tooth.
In certain embodiments, the method also includes utilizing last digital data sets detection in number Sub Data Set sequence
Orthodontics parameter.Orthodontics parameter includes but not limited to: crowding, covering, laminating, Spee curve curvature, Bolton refer to
Number, dental arch offside, shaft rake, torque and denture center line etc..
In certain embodiments, during tooth adjusts, the first tooth and the second tooth can be simultaneously displaced.Such as,
First move the first tooth twice, move the first tooth and the second tooth the most simultaneously.
In certain embodiments, the method also includes: the first tooth and the second tooth often move once, and inspection set of teeth is
No existence collides, and in this way, it indicates that the tooth collided, thus adjusts tooth position for user and provides reference.Real at some
Executing in example, described inspection is real-time.
In certain embodiments, the method is according to rule first and second sequence of operation of Automatic Combined set in advance, shape
Become total sequence of operation.Further, in certain embodiments, the method also includes: according to user instruction, amendment first and/or
Second sequence of operation position in total sequence.
The another aspect of the application provides a kind of method of digital data sets producing and representing dental phenomenon, the method bag
Include:
Obtaining the first digital data sets representing one group of tooth first state, it includes representing the first tooth in this set of teeth
The first digital data sets of the first state；
The 3-D view of this group tooth is provided based on the first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
Instruct according to first user, the first tooth application operating is accorded with once, obtain based on the first digital data sets and represent
Second digital data sets of this first tooth the second state, wherein, first user instruction is that user inputs according to 3-D view；
Update 3-D view according to first user instruction and obtain the second 3-D view；
According to the second user instruction, the first tooth application operating in this group tooth is accorded with once, based on the second numeral number
Obtain the 3rd digital data sets representing this first tooth third state according to group, wherein, the second user instruction is user according to the
Two 3-D view inputs；And
Utilize the second digital data sets to produce the second digital data sets representing set of teeth the second state, utilize the 3rd numeral
Data set produces the 3rd digital data sets representing the set of teeth third state.
In some embodiments, digital data sets includes the coordinate data of a corresponding tooth, and digital data sets bag
Include coordinate data dentulous in set of teeth.
The another aspect of the application provides a kind of data capture method, is used for obtaining that manufacture is multiple progressively adjusts one group of tooth
Data needed for the dental instruments of tooth, this data capture method includes: provide the 3-D view representing described one group of tooth, its
In, this group of tooth includes the first tooth and the second tooth；According to first group of user instruction, repeatedly move the first tooth, it is thus achieved that
First coordinate data group sequence, wherein, each coordinate data group of the first coordinate data group sequence includes that described first tooth exists
Complete coordinate when moving the most accordingly；According to second group of user instruction, repeatedly move the second tooth, it is thus achieved that the second coordinate data
Group sequence, wherein, each coordinate data group of described second coordinate data group sequence includes that described second tooth completes once
Coordinate time the most mobile, wherein, described first and second groups of user instructions are to be inputted according to described 3-D view by user；
And according to the 3rd group of user instruction, combine described first coordinate data group sequence and the number of coordinates of the second coordinate data group sequence
According to group, producing the 3rd coordinate data group sequence, wherein, each coordinate data group of described 3rd coordinate data group sequence is included in
Described first tooth and the coordinate of the second tooth under one corresponding metamorphosis stage dbjective state.
The another aspect of the application provides a kind of data acquisition facility, is used for obtaining that manufacture is multiple progressively adjusts one group of tooth
Data needed for the dental instruments of tooth, it includes 3-D view generation module, for producing the 3-D view of described one group of tooth,
Adjust described one group of tooth for user and reference is provided.Described data acquisition facility also includes: tooth coordinate record table, is used for storing
First and second coordinate data group sequences, the most corresponding first and second teeth moved, each described first and second sit
Mark data set sequence includes multiple coordinate data group, and it is each includes the corresponding tooth coordinate when completing correspondence mobile；Tooth
Tooth mobile module, according to the instruction of moving teeth, produces the tooth that moved completing coordinate when moving each time, and by it
Write described tooth coordinate record table；And Adjusted Option generation module, sit according to user instruction combination described first and second
Coordinate data group in mark data set sequence, forms the 3rd coordinate data group sequence, wherein, described 3rd coordinate data group sequence
Each data set be included under a corresponding metamorphosis stage dbjective state described first and second by the coordinate of moving teeth.
In certain embodiments, described data acquisition facility also includes step value log, for recording moving teeth
Step value.
In certain embodiments, described 3-D view generation module is according in described tooth coordinate record table first and second
Coordinate data group last in coordinate data group sequence updates described 3-D view.
In certain embodiments, described tooth mobile module can carry out following operation to tooth: along the translation of coordinate system X-axis,
Along the translation of coordinate system Y-axis, along the translation of coordinate system Z axis, around the rotation of coordinate system X-axis, around the rotation of coordinate system Y-axis, around the rotation of coordinate system Z axis
Turn and their combination in any.
In certain embodiments, described data acquisition facility also includes collision detection module, is used for detecting described 3rd seat
Whether the state of the described one group of tooth corresponding to each data set of mark data set sequence exists tooth collision, in this way, then refers to
Go out corresponding coordinate data group and tooth.
In certain embodiments, Adjusted Option generation module is sat according to rule Automatic Combined first and second set in advance
Mark data set sequence, forms the 3rd coordinate data group sequence.Further, in certain embodiments, Adjusted Option generation module
Single tooth coordinate data group position in the 3rd coordinate data group sequence can be revised according to user instruction.
The another aspect of the application provides a kind of computer-readable medium, and its storage has a computer program, when this calculating
Machine program is performed by a computer, and described computer will perform following operation: provides the 3-D view representing described one group of tooth；
According to user instruction, repeatedly move the first tooth, it is thus achieved that the first coordinate data group sequence, wherein, the first coordinate data group sequence
Each coordinate data group include that described first tooth is completing coordinate when moving the most accordingly；According to user instruction, repeatedly
Mobile second tooth, it is thus achieved that the second coordinate data group sequence, wherein, each coordinate data of described second coordinate data group sequence
Group include described second tooth completing coordinate when moving the most accordingly, wherein, described tooth move is by user's root
Input according to described 3-D view；And according to user instruction, combine described first coordinate data group sequence and the second number of coordinates
According to the coordinate data group of group sequence, produce the 3rd coordinate data group sequence, wherein, described 3rd coordinate data group sequence each
First tooth and the coordinate of the second tooth described in when coordinate data group has been included in a corresponding metamorphosis stage.
The another aspect of the application provides a kind of data capture method, obtains and progressively adjusts tooth position for manufacture
Data needed for dental instruments.This data capture method includes: produce the 3-D view of set of teeth；Repeatedly move according to user instruction
Dynamic one or multiple teeth, corresponding each tooth moved produce one single by moving teeth coordinate data group sequence, each
Single is included the corresponding tooth coordinate when completing corresponding movement by moving teeth coordinate data group；Combine single by moving teeth
Coordinate data group, is formed by moving teeth group coordinate data group sequence, each included by moving teeth group coordinate data group and works as
Corresponding each by the coordinate data group of moving teeth of front metamorphosis stage dbjective state.
The another aspect of the application provides a kind of data acquisition facility, is used for obtaining that manufacture is multiple progressively adjusts one group of tooth
Data needed for the dental instruments of tooth.This data acquisition facility includes 3-D view generation module, is used for producing described one group of tooth
The 3-D view of tooth, adjusts described one group of tooth for user and provides reference.This data acquisition facility also includes: tooth coordinate record
Table, each by the coordinate data group sequence of moving teeth for recording, its each coordinate data group includes that corresponding tooth completes
Corresponding mobile time coordinate；Tooth mobile module, according to the instruction of moving teeth, produce the tooth that moved complete each
Secondary mobile time coordinate, and be written into described tooth coordinate record table；And Adjusted Option generation module, according to user instruction
Combine described by the coordinate data group in moving teeth coordinate data group sequence, formed by moving teeth group coordinate data group sequence
Row, wherein, described each data set by moving teeth group coordinate data group sequence is included in a corresponding metamorphosis stage target
Under state each by the coordinate of moving teeth.
It is more than the general introduction of the application, necessarily has the situation of simplification, summary and omissions of detail, therefore those skilled in the art
Member is it should be appreciated that this part is only illustrative, and is not intended to limit the application scope by any way.This general introduction portion
Point both it is not intended to determine key feature or the essential feature of claimed subject, is also not intended to be used as to determine claimed
The supplementary means of the scope of theme.
Accompanying drawing explanation
Be combined by following description and appending claims and with accompanying drawing, it will be more fully clearly understood that this
The above and other feature of application content.It is appreciated that these accompanying drawings depict only some embodiments of teachings herein, because of
This is not considered as the restriction to teachings herein scope.By use accompanying drawing, teachings herein will obtain definitely and
Explain.
Fig. 1 is the flow process of the method manufacturing multiple dental instruments progressively adjusting one group of tooth in one embodiment of the application
Figure.
Fig. 2 is the block diagram of data acquisition facility in one embodiment of the application.
Detailed description of the invention
In the following detailed description, with reference to constitute part thereof of accompanying drawing.In the accompanying drawings, the similar usual table of symbol
Show similar ingredient, unless otherwise indicated by context.Illustrating described in detailed description, drawings and claims
Property embodiment be not intended to limit.In the case of the spirit or scope without departing from the theme of the application, can be used other
Embodiment, and other changes can be made.Be appreciated that can to herein general that describe, illustrate in the accompanying drawings
The various aspects of the teachings herein illustrated carry out multiple differently composed configuration, replace, combine, design, and all these all
It is expressly contemplated that among, and constitute a part for teachings herein.
Fig. 1 illustrates the method manufacturing multiple dental instruments progressively adjusting one group of tooth in one embodiment of the application
The flow chart of 100.Although, Fig. 1 illustrates the frame by particular order arrangement or operation, but this order is not intended to limit the application
Scope.Being similar to, other frames of not being demonstrated in FIG or operation can be added into method 100, and some frames in Fig. 1 and
Operation can be removed from method 100.Method 100 can include the one or more of the operation that frame 101-123 shown.
In frame 101, the plaster model of one group of tooth is acquired.In certain embodiments, this plaster model is a trouble
The maxillomandibular plaster model of person.In further embodiments, this plaster model is upper gnathode or the lower jaw of a patient
Model.In other embodiment, this plaster model is the Gypsum Fibrosum of a part for the part of patient's upper jaw or lower jaw
Model.In a word, the concrete conditions such as the tooth that can adjust as required are to obtain corresponding plaster model.
In frame 103, the plaster model obtained in scan box 101, it is thus achieved that the original overall profile data of set of teeth, tooth
The original overall profile data of group represent the overall 3D shape that whole group of tooth is original.In further embodiments, set of teeth
Overall profile data can also be obtained by the maxillomandibular all or part of of direct chair other scanning patient.In other enforcement
In example, the overall profile data of tooth can also be obtained by the dental impressions of scanning patient.
In block 105, according to user instruction, the overall profile data of computer disposal set of teeth obtain the wheel of single tooth
Wide data and original coordinates data.In certain embodiments, the overall profile data that can utilize set of teeth in a computer provide
The 3-D view of set of teeth, then by methods such as curved surface segmentations, in this 3-D view, crown is separated from gingiva tissue, it is thus achieved that
The outline data of single crown and original coordinates data, so that the position of each crown can be adjusted.The profile of single crown
Data represent the 3D shape of single crown, and the original coordinates data of single crown represent that single crown is at unadjusted whole group of tooth
Location in tooth.
In certain embodiments, all teeth can be cut.In other embodiment, only cutting can relate to adjustment
Tooth.The tooth relating to adjusting includes needing controlled tooth, for adjusting the tooth providing support force and with controlled
The tooth etc. that tooth is adjacent.
In certain embodiments, in addition to the outline data and original coordinates data of single crown, remainder can also be obtained
The overall profile data divided.In certain embodiments, remainder can include gingiva, it is also possible to includes the tooth not being cut
Hat.
In frame 107, a computer receives outline data and the original coordinates data of single crown, for follow-up place
Reason.In certain embodiments, this computer also can receive the outline data of remainder, for subsequent treatment.
In frame 109, this computer utilizes outline data and the original coordinates data of the single crown received in frame 107
Produce the 3-D view of set of teeth.In certain embodiments, it is possible to use the outline data of single crown and original coordinates data
And the overall profile data of remainder produce the 3-D view of set of teeth.In further embodiments, can only produce
The 3-D view of the set of teeth that cutting obtains.
In frame 111, repeatedly moving the user instruction of one or more tooth according to predetermined amounts, correspondence is each to be moved
Tooth produce a coordinate data group sequence.In certain embodiments, computer system can provide some adjust operators for
Family selects.The mode of moving teeth includes but not limited to: along the translation of coordinate system X-axis, along the translation of coordinate system Y-axis, along coordinate system Z axis
Translate, rotate around coordinate system X-axis, rotate around coordinate system Y-axis, around the rotation of coordinate system Z axis and their combination in any.At some
In embodiment, can be that these adjustment operators pre-set step value, it might even be possible to for moving each time, different steps is set
Long value.Such as, first the step value translated along coordinate system X-axis is set to 0.1 millimeter, with this operator along X-axis forward for the first time
Mobile first tooth, is then set to 0.2 millimeter again this step value, then mobile along X-axis forward second time with this operator
First tooth.
In certain embodiments, a coordinate system can be only set to describe the position of each tooth.In other embodiment
In, a global coordinate system can be set, to describe each interdental relative position relation under a certain state, corresponding each selected
Tooth arranges a local coordinate system, moves the relative position relation of rear position and home position describing this tooth.
User can be according to the 3-D view produced in frame 109, it is judged that need to adjust which tooth, and the direction that adjusts and
Amount, then repeatedly moves predetermined amounts the instruction input computer of one or more tooth.In certain embodiments, arranging
After the step value of each operator, user may utilize the input equipment such as mouse, keyboard, trace ball, touch screen, stick and directly drags
Dynamic tooth, it is achieved the movement of tooth.In further embodiments, user can first choose tooth to be moved, and reselection is corresponding
Operator act on the tooth chosen, it is achieved the movement of tooth.In certain embodiments, once can the most mobile tooth
Tooth, it is also possible to simultaneously move multiple teeth.
In certain embodiments, computer can indicate that the collision that user occurs during moving teeth.Such as, when
Two teeth collide, and computer can show this two teeth with the effect of flicker on 3-D view, notifies user
Situation about colliding also shows impact momentum.This can be that user's moving teeth provides guidance.
In some cases, when designing orthodontic scheme, it is allowed to tooth collides so that doctor can be according to collision
Situation corresponding tooth is carried out stripping.For can not the tooth of stripping, then should keep away when designing orthodontic scheme as far as possible
Exempt from its collision.In certain embodiments, can set a property for every tooth, it is indicated that whether it at the beginning of scheme is rescued in design
Can stripping, thus determine in the design process this tooth whether can collide.The collision that below would not want to is referred to as not
Necessary collision.
Computer can be according to the instruction of the moving teeth of user's input, and the most each tooth moved produces number of coordinates
According to group sequence.In certain embodiments, computer can be according to the coordinate data group sequence real-time update set of teeth of single tooth
3-D view.In further embodiments, computer can also be according to the instruction of user, coordinate data based on single tooth
Group sequence updates the 3-D view of set of teeth.
The coordinate of tooth is represented by (x, y, z, αx, αy, αz), x represents the position in X-axis, and y represents the position in Y-axis
Putting, z represents the position on Z axis, αxRepresent the angle with X-axis as axle, αyRepresent the angle with Y-axis as axle, and αzRepresent with
Z axis is the angle of axle.
In certain embodiments, calculate for simplifying, multiple coordinate system can be set, a global coordinate system and each moved
The local coordinate system of dynamic tooth.Global coordinate system is used for measuring each interdental mutual alignment relation, the local of each tooth
Coordinate system is respectively used to measure its difference moving rear position and home position.In certain embodiments, the raw bits of a tooth
Putting the coordinate in its local coordinate system is (0,0,0,0,0,0).
Each by the coordinate data group sequential recording of moving teeth its track moved, be i.e. sequentially recorded this tooth
Coordinate after the most mobile, one such coordinate of each data set record.Table 1 below is of tooth coordinate data group sequence
Exemplary embodiment.
| T1 | T2 | T3 | T4 | |
| 1 | (0,0.1,0,0,0,0) | (0,0,0,0,0,1) | (0.1,0,0,0,0,0) | |
| 2 | (0,0.2,0,0,0,0) | (0,0,0,0,0,2) | (0.2,0,0,0,0,0) | |
| 3 | (0,0.3,0,0,1,0) |
| 4 | (0,0.4,0,0,2,0) | |||
| 5 | (0,0.5,0,0,3,0) |
Table 1
In upper table 1, T1-T4 represents four different teeth respectively.Coordinate data group sequence corresponding to T1 represents: first
First, with 0.1 millimeter as step value, along the Y-axis forward of the local coordinate system of T1, tooth T1 is moved twice；Then, then with 0.1
Millimeter is step value, and the Y-axis forward along the local coordinate system of T1 moves three times, meanwhile, with 1 degree as step value, with Y-axis as axle
The heart, rotates three times counterclockwise.This coordinate data group sequence have recorded the coordinate after tooth T1 moves every time respectively.Tooth T2 institute is right
The part answered is sky, represents that tooth T2 is un-shifted.Being similar to, the coordinate data group sequence corresponding to tooth T3 represents: with 1 degree
For step value, with the Z axis of the local coordinate system of T3 as axle center, tooth T3 is rotated counterclockwise three times.Seat corresponding to tooth T4
Mark data set sequence represents: with 0.1 millimeter as step value, along the X-axis forward of the local coordinate system of T4, tooth T4 is moved two
Secondary.In certain embodiments, single by the difference between two adjacent coordinate data groups in moving teeth coordinate data group sequence with pre-
If step value equal.
Upper table 1 creates string with the form of tables of data for the most each tooth, from top to bottom, is sequentially recorded tooth
Coordinate.In some embodiments, it is also possible to only for needing the tooth of movement to create row.In certain embodiments, it is also possible to mark
Symbol sorts for the coordinate data group of single tooth, such as arranges a field in each coordinate data group for which indicates
Tooth and which time are mobile, as 1-1 represents that the first time of first tooth moves.
In frame 113, computer, is formed by moving teeth by the coordinate data group of moving teeth according to user instruction combination
The coordinate data group sequence of group, this is by the scheme of the coordinate data group sequence the most progressively moving teeth of moving teeth group.At another
In a little embodiments, the coordinate data group sequence relating to adjusting set of teeth can be formed.In other embodiment, whole group of tooth can be formed
The coordinate data group sequence of tooth.
In certain embodiments, computer automatically or semi-automatically can combine by moving teeth according to the principle that user sets
Coordinate data group.These principles include but not limited to: the sequencing of moving teeth, the most first move first tooth, then move
Dynamic second tooth；Which tooth can move simultaneously.In certain embodiments, user can be each by the number of coordinates of moving teeth
Pull a form into according to group sequence, form the coordinate data group sequence of one group of tooth.Table 2 below is an exemplary enforcement of this form
Example.
Table 2
The coordinate data group sequence of one group of tooth that upper table 2 is shown illustrates the mistake progressively adjusting one group of tooth T1-T4
Journey.In the first stage, along Y-axis forward, tooth T1 is moved 0.1 millimeter, and other teeth are motionless；In second stage, along Y-axis just
To, tooth T2 continues mobile 0.1 millimeter, and other teeth continue to remain stationary as ... in the 6th stage, tooth T1 and T2 is motionless, with
Z axis is axle center, and tooth T3 is rotated counterclockwise 1 degree, and meanwhile, along X-axis forward, tooth T4 is moved 0.1 millimeter ... one group of tooth
Coordinate data group sequence can also the form record of table 3 below:
Table 3
In frame 115, computer utilizes produce in frame 113 to be judged at tooth by moving teeth group coordinate data group sequence
Unnecessary collision whether is there is during adjustment, such as can not the touching of tooth after the collision of tooth of stripping and stripped process
Hit.In certain embodiments, computer may utilize each set of teeth coordinate data group and the wheel of the single crown of acquisition in frame 105
Wide data and original coordinates data, produce the profile of this group tooth under this phase targets state, and judge whether according to this profile
There is the collision of tooth.
If there is unnecessary collision, computer may indicate that and there is the set of teeth coordinate data group of unnecessary collision and send out
The tooth of raw collision.So, user just can revise set of teeth coordinate data group sequence according to these information.
In frame 117, revise by moving teeth group coordinate data group sequence according to user instruction, it is thus achieved that the set of teeth of renewal
Coordinate data group sequence.In frame 115, can being again examined by moving teeth group coordinate data group sequence of this renewal, until
Produce qualified set of teeth coordinate data group sequence.
In certain embodiments, user can directly utilize operator to single tooth coordinate data group sequence and set of teeth seat
Mark data set sequence is directly revised.Such as, user can first choose an operator, clicks on single tooth coordinate data group sequence
Correspondence position in row and set of teeth coordinate data group sequence, deletes or inserts a mobile operation.The most such operation
Being performed, computer will revise follow-up coordinate data group automatically.
In other embodiment, user can directly drag list in the table of record set of teeth coordinate data group sequence
The part or whole of the coordinate data group of tooth, thus reach to revise the purpose of tooth Adjusted Option.
In certain embodiments, it is possible to use last coordinate data group detection tooth in set of teeth coordinate data group sequence
Tooth corrects parameter, such as crowding, covering, laminating, Spee curve curvature, Bolton index, dental arch offside, shaft rake, turns
Square and denture center line etc. one or more.
In frame 119, computer utilizes by moving teeth group coordinate data group sequence and the outline data of single crown
With original coordinates data, produce the outline data of corresponding a series of set of teeth.
In frame 121, utilize the outline data of a series of set of teeth produced in frame 119 to control external equipment and manufacture correspondence
The formpiston of a series of set of teeth.These formpistons represent during rescuing, under each phase targets state, and the wheel of set of teeth
Wide.
In frame 123, a series of formpistons produced form a series of formers of correspondence, as progressively adjusting in frame 123
The dental instruments of whole tooth.Wherein, in frame 121 and 123, the technology of making formpiston and corresponding former is known by industry, as
Described by Chinese Patent No. 98806354.9, the content of this patent is introduced into the application the part as the application.
In another example, produce the coordinate data group sequence of tooth T1, as shown in table 4.Produce the number of coordinates of tooth T2
According to group sequence, as shown in table 5.
| 1 | (0,0.1,0,0,0,0) |
| 2 | (0,0.2,0,0,0,0) |
| 3 | (0,0.3,0,0,1,0) |
| 4 | (0,0.4,0,0,2,0) |
| 5 | (0,0.5,0,0,3,0) |
Table 4
| 1 | (0.1,0,0,0,0,0) |
| 2 | (0.2,0,0,0,0,0) |
| 3 | (0.3,0,0,0,0,0) |
| 4 | (0.4,0,0,0,0,0) |
Table 5
In one example, coordinate data group sequence and the coordinate data group sequence of tooth T2 of tooth T1 are combined, it is thus achieved that
Set of teeth coordinate data group, as shown in table 6.
| 1 | (0,0.1,0,0,0,0) | (0.1,0,0,0,0,0) |
| 2 | (0,0.2,0,0,0,0) | (0.2,0,0,0,0,0) |
| 3 | (0,0.3,0,0,1,0) | (0.3,0,0,0,0,0) |
| 4 | (0,0.4,0,0,2,0) | (0.4,0,0,0,0,0) |
| 5 | (0,0.5,0,0,3,0) |
Table 6
Set of teeth coordinate data group shown in table 6 represents that tooth T1 and tooth T2 moves simultaneously.
In another example, the coordinate data group sequence of combination tooth T1 and the coordinate data group sequence of tooth T2, it is thus achieved that
Set of teeth coordinate data group, as shown in table 7.
| 1 | (0,0.1,0,0,0,0) | |
| 2 | (0,0.2,0,0,0,0) | |
| 3 | (0,0.3,0,0,1,0) | |
| 4 | (0,0.4,0,0,2,0) | |
| 5 | (0,0.5,0,0,3,0) | |
| 6 | (0.1,0,0,0,0,0) | |
| 7 | (0.2,0,0,0,0,0) | |
| 8 | (0.3,0,0,0,0,0) | |
| 9 | (0.4,0,0,0,0,0) |
Table 7
Set of teeth coordinate data group shown in table 7 represents first moving teeth T1, after completing the rectification of tooth T1, then moves tooth
Tooth T2.
In another example, the coordinate data group sequence of combination tooth T1 and the coordinate data group sequence of tooth T2, it is thus achieved that
Set of teeth coordinate data group, as shown in table 8.
| 1 | (0,0.1,0,0,0,0) | |
| 2 | (0,0.2,0,0,0,0) | |
| 3 | (0.1,0,0,0,0,0) | |
| 4 | (0.2,0,0,0,0,0) | |
| 5 | (0.3,0,0,0,0,0) | |
| 6 | (0.4,0,0,0,0,0) | |
| 7 | (0,0.3,0,0,1,0) | |
| 8 | (0,0.4,0,0,2,0) | |
| 9 | (0,0.5,0,0,3,0) |
Table 8
Set of teeth set of coordinates sequence shown in table 8 represents that each displacement is first along Y-axis forward moving teeth T1 twice
0.1 millimeter.Again along X-axis forward moving teeth T2 tetra-times, each displacement is 0.1 millimeter.Then, then along Y-axis forward move
Tooth T1 tri-times, each displacement is 0.1 millimeter, simultaneously with 1 degree as step value, rotates tooth counterclockwise with Y-axis for axis
T1。
In set of teeth coordinate data group, represent the number of coordinates with tooth T1 that puts in order of the data of the coordinate of tooth T1
It is consistent according to group (as shown in table 4), and represents the coordinate data group with tooth T2 that puts in order of the data of the coordinate of tooth T2
(as shown in table 5) is consistent.
In set of teeth coordinate data group, on the premise of holding order is constant, represent that the data of each tooth coordinate can be
Respective row are freely shifted in the horizontal direction, to form different set of teeth coordinate data groups.
In some embodiments, it is also possible to first record the sequence of operation to each tooth, then combine these operation sequences
Row obtain total sequence of operation or the sequence of operation of set of teeth.Further according to representing the digital data sets of set of teeth the first state and being somebody's turn to do
Total sequence of operation obtains and represents the set of teeth digital data sets sequence gradually from the first state to nth state.Shown in table 8
Example, it is possible to obtain total sequence of operation as shown in table 9.
| Tooth 1 | Tooth 2 |
| 1 | 0.1 millimeter is moved along Y-axis forward | |
| 2 | 0.1 millimeter is moved along Y-axis forward | |
| 3 | 0.1 millimeter is moved along X-axis forward | |
| 4 | 0.1 millimeter is moved along X-axis forward | |
| 5 | 0.1 millimeter is moved along X-axis forward | |
| 6 | 0.1 millimeter is moved along X-axis forward | |
| 7 | Move 0.1 millimeter along Y-axis forward, and turn clockwise 1 degree around Y-axis | |
| 8 | Move 0.1 millimeter along Y-axis forward, and turn clockwise 1 degree around Y-axis | |
| 9 | Move 0.1 millimeter along Y-axis forward, and turn clockwise 1 degree around Y-axis |
Table 9
Please join Fig. 2, illustrate the block diagram of data acquisition facility 200 in one embodiment of the application.Data acquisition facility 200
For obtaining the multiple dental instruments desired datas progressively adjusting tooth of manufacture.Data acquisition facility 200 can include initial condition
Log 201,3-D view generation module 203, tooth mobile module 205, tooth coordinate record table 207, Adjusted Option produce
Module 209, Adjusted Option log 211 and Collision detection module.
The initial condition of the recordable one group of tooth of initial condition log 201.Such as, the number of contours of cut each tooth
According to and original coordinates data, and cutting remainder outline data.
3-D view generation module 203 may utilize the initial condition data of one group of tooth and produces this original shape of group tooth of expression
The 3-D view of state, is also with last coordinate data group in single tooth coordinate data group sequence and updates this 3-D view,
Think that user's moving teeth provides reference.In certain embodiments, 3-D view generation module 203 is to combine in global coordinate system
Coordinate data in corresponding local coordinate system of the corresponding coordinate data of tooth, corresponding tooth and the three-dimensional wheel of corresponding tooth
Wide data, to update described 3-D view.
Tooth mobile module 205 can produce after it is moved according to the tooth that the user instruction of moving teeth correspondence is moved
Coordinate data group, and be written into tooth coordinate record table 207, formed each by the coordinate data group sequence of moving teeth, with
Record their motion track.Tooth mobile module 205 can be according to user instruction to include but not limited to that in the following manner moves tooth
Tooth: along the translation of coordinate system X-axis, along the translation of coordinate system Y-axis, along the translation of coordinate system Z axis, around the rotation of coordinate system X-axis, around coordinate system Y
Axle rotates, around the rotation of coordinate system Z axis and their combination in any.Sit as it has been described above, coordinate system described herein can be the overall situation
Mark system, it is also possible to be the local coordinate system of each tooth.
In certain embodiments, tooth coordinate record table 207 can be that each tooth arranges string, is used for recording corresponding tooth
Coordinate data group sequence, i.e. the motion track of this tooth.In other embodiment, tooth coordinate record table 207 can be only
For being arranged row by moving teeth.In other embodiment, tooth coordinate record table can be with indications for by the seat of moving teeth
Mark data set sequence, such as, 1-1 represents the coordinate data group after the movement for the first time of the first tooth, and 3-2 represents the 3rd tooth second
Coordinate data group after secondary movement, by that analogy.
In certain embodiments, tooth coordinate record table 207 can record each by mobile tooth according to the mode of table 1 or table 2
The coordinate data group sequence of tooth.
In certain embodiments, Adjusted Option generation module 209 can combine tooth coordinate record table 207 according to user instruction
Recorded in coordinate data group, gradually write Adjusted Option log 211, formed by moving teeth group coordinate data group sequence
Row, each of which coordinate data group includes under corresponding set-up procedure dbjective state respectively by the coordinate of moving teeth.Real at some
Executing in example, Adjusted Option generation module 209 combines by the coordinate data group of moving teeth and other teeth also dependent on user instruction
The coordinate data group of tooth, i.e. represents the coordinate data group in its home position, gradually write Adjusted Option log 211, forms tooth
Tooth group coordinate data group sequence, each of which coordinate data group includes the seat of each tooth under corresponding set-up procedure dbjective state
Mark.
In certain embodiments, the rule that Adjusted Option generation module 209 can set according to user, automatically or semi-automatically
Combine by the coordinate data group of moving teeth.These rules include but not limited to: adjust the sequencing of tooth, the most first adjust
First tooth, then adjust the second tooth；The tooth that can simultaneously adjust；Avoid unnecessary collision etc..
In other embodiment, Adjusted Option generation module 209 can be according to user instruction directly tooth coordinate record
The relevant position being pulled into Adjusted Option log 211 by moving teeth coordinate data group sequence recorded in table 207, forms quilt
Moving teeth group coordinate data group sequence.In other embodiment, Adjusted Option generation module 209 can be straight according to user instruction
Connect and pulled into Adjusted Option log by moving teeth coordinate data group sequence segment recorded in tooth coordinate record table 207
The relevant position of 211, is formed by moving teeth group coordinate data group sequence.
In certain embodiments, Adjusted Option log 211 can be with the coordinate data group sequence of the form record set of teeth of table 3
Row.In other embodiment, Adjusted Option log 211 can only record by the coordinate data group sequence of moving teeth group.
In certain embodiments, Collision detection module 213 may utilize each tooth recorded in tooth coordinate record table 207
Whether collision is there is, in this way, it indicates that collide between last coordinate data group inspection tooth in coordinate data group sequence
Tooth.
In certain embodiments, Collision detection module 213 may utilize the set of teeth recorded in Adjusted Option log 211
Each coordinate data group of coordinate data group sequence judges whether there is tooth collision in the corresponding metamorphosis stage, in this way, then refer to
Show corresponding coordinate data group and the tooth collided, such as, show the seat of the tooth collided in a flashing manner
Mark data.
In certain embodiments, Collision detection module 213 is it is further noted that the tooth that collides and the amount of collision, to refer to
Guiding doctor is raw carries out stripping to corresponding tooth.
In certain embodiments, during user's moving teeth, 3-D view generation module 203 may utilize tooth and sits
In mark log, last coordinate data group in each tooth coordinate data group sequence of record, updates 3-D view.
In certain embodiments, during user's moving teeth, 3-D view generation module 203 available collision inspection
Test the information that module 213 sends and indicate the tooth collided, such as, show the tooth collided in a flashing manner.
In certain embodiments, during 3-D view generation module 203 may utilize Adjusted Option log 211, record is moved
Dynamic set of teeth coordinate data group sequence, progressive updating 3-D view, show that whole tooth adjusts process to user, revise for user
Adjusted Option provides reference.
For system perspective, it is little that hardware performs difference between software execution.Use hardware or software generally (but
And not always, in some cases, carrying out selection between hardware and software can be critically important) it is reflection cost/efficiency tradeoff
Design alternative.Instrument (the such as hardware, soft of method described in this application and/or system and/or other technologies is realized by it
Part and/or firmware) there is many, and, different according to method and/or system and/or other technologies local environment, selected
Instrument can also be different.Such as, if implementer judges that speed and accuracy are most important, then this implementer can select with hardware
And/or the instrument of firmware is main；If motility is most important, then implementer may select based on software execution；Implementer
Also may select some combination of hardware, software and/or firmware.
Aforementioned be described in detail by block diagram, flow chart and/or embodiment, illustrate the application device and/or
The different embodiments of method.When these block diagrams, flow chart and/or embodiment comprise one or more function and/or operation,
It will be readily apparent to those skilled in the art that each function in these block diagrams, flow chart and/or embodiment and/or operation can be passed through
Various hardware, software, firmware or substantially their combination in any and implement individually and/or jointly.A kind of embodiment party
In formula, several parts of theme described herein can pass through application-specific IC (ASIC), field programmable gate array
(FPGA), digital signal processor (DSP) or other integrated forms realize.But, it will be understood by those skilled in the art that this
Some aspects of embodiment described in application can be the most in integrated circuits with in one or more calculating
The form of the one or more computer programs run on machine is (such as, with in one or more computer systems the one of operation
Individual or the form of multiple computer program), the form (example of one or more programs to run on the one or more processors
Such as, the form of one or more programs to run on one or more microprocessors), with the form of firmware or with essence
Above the form of their combination in any is equally implemented, and, according to present disclosure, it is designed for the electricity of the application
Road and/or write for the software of the application and/or the code of firmware be entirely those skilled in the art limit of power it
In.It addition, it will be understood by those skilled in the art that no matter type for the actual signal bearing medium being distributed is assorted
, the mechanism of theme described in this application can in a variety of manners as program product distribute, and, master described herein
The illustrative embodiments of topic is the most applicable.Such as, signal bearing medium includes but not limited to following: recordable-type media, as soft
Dish, hard disk, compact disk (CD), digital video disk digital versatile disc (DVD), digital magnetic tape, computer storage etc.；Transmission
Type medium, such as numeral and/or analog communication medium (such as optical cable, waveguide, wired communication link, radio communication chain circuit etc.).
It will be understood to those of skill in the art that it is said that in general, in the application, especially appended claims (such as, institute
The text of attached claims) in term used generally mean that (such as, term " includes " being construed to " open " term
" including but not limited to ", term " has " should be construed to " at least having ", etc.).Those skilled in the art it should also be understood that
If being intended that certain number of introduced claim to limit, then this intention can be stated the most clearly
Out, without this statement, the most there is not this intention.Such as, in order to make it easy to understand, claims appended below book
In can use guided bone phrase " at least one " and " one or more " introduce claim limit.But, should will not use
This guided bone phrase is construed to mean that introducing claim by indefinite article " " limits the power by comprising so introducing
Profit requires that any specific rights limited requires to be defined to only comprise the disclosure of a this restriction, even if same right is wanted
Seek the indefinite article (such as, " " comprising guided bone phrase " one or more " or " at least one " and the such as row of " "
Generally should be construed to mean " at least one " or " one or more ")；This is equally applicable to use " described ", " being somebody's turn to do " etc. fixed
The situation that claim limits quoted from article.Even if additionally, clearly describing certain number of introduced claim limit
Fixed, those skilled in the art are it should also be appreciated that this statement generally should be construed to represent the number (example at least stated
As, only say " two restrictions ", and there is no other modifier, it is common that refer at least two restrictions, that is two or more limits
Fixed).Additionally, in the case of use is similar to the habitual statement of " at least one in A, B or C etc. ", generally it to be expressed
The meaning be exactly those skilled in the art can should usual statement understood as (such as, " there is at least in A, B or C
Individual system " by include but not limited to only to have A system, only have B system, only have C system, there is A and B be
Unite, there is the system of A and C, there is the system of B and C and/or there is the system of A, B and C, etc.).Those skilled in the art are also
It will be appreciated that the most any transition junctions word presenting two or more options and/or phrase, the most in the description, weigh
In profit claim the most in the accompanying drawings, it should be understood that for that takes into account include in described option one, in described option
Any one or all probabilities of whole two options.Such as, phrase " A or B " should be understood to include " A " or " B " or " A
And B " probability.
For the most any plural number used herein and/or singular references, based on context and/or application take the circumstances into consideration and
Fixed, plural reference can be odd number and/or odd number is construed to plural number by those skilled in the art.For the sake of clarity, exist
May state out clearly by the arrangement of various singular/plural herein.
Claims (7)
1. the method producing the digital data sets representing dental phenomenon, the method includes:
Obtain the first digital data sets representing one group of tooth first state；
The 3-D view of described set of teeth is provided based on described first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
According to first group of user instruction, the first tooth of described set of teeth being applied described operator repeatedly, corresponding acquisition represents
Described first tooth is from the first state to N1First digital data sets sequence of state；
According to second group of user instruction, while applying described operator repeatedly the first tooth of described set of teeth, to institute
The second tooth stating set of teeth applies described operator repeatedly, and corresponding acquisition represents that described second tooth is from the first state to N2
Second digital data sets sequence of state, wherein, described first group and second group of user instruction are according to described three-dimensional by user
Image and input, described first tooth is often applied once-through operation symbol correspondence produce in described first digital data sets sequence
Individual digital data sets, often applies once-through operation symbol correspondence to produce in described second digital data sets sequence to described second tooth
One digital data sets；And
According to the 3rd group of user instruction, combine described first digital data sets sequence and the second digital data sets sequence, produce table
Show the described set of teeth the 3rd digital data sets sequence from the first state to nth state, wherein, described N1、N2And N is greatly
In the integer of 2, described 3rd digital data sets sequence includes multiple digital data sets, described in the most each digital data sets correspondence
First state of set of teeth is to a state in nth state；
Numerical data in described first digital data sets sequence, the second digital data sets sequence and the 3rd digital data sets sequence
Group includes the coordinate data of tooth.
2. the method for claim 1, it is characterised in that the 3-D view of described set of teeth be according to described first group and
The 3-D view of second group of user instruction real-time update Cheng Xin.
3. the method for claim 1, it is characterised in that described operator includes along the translation of coordinate system X-axis, along coordinate system
Y-axis translates, translates along coordinate system Z axis, rotates around coordinate system X-axis, rotates around coordinate system Y-axis, rotates and it around coordinate system Z axis
Combination in any.
4. the method for claim 1, it is characterised in that described method also includes: according to the 4th group of user instruction, is arranged
The step value of described operator.
5. the method manufacturing multiple dental instrumentss progressively adjusting one group of tooth position, comprising:
Each digital data sets utilizing the 3rd digital data sets sequence as claimed in claim 1 makes described set of teeth
One formpiston, it is thus achieved that a series of formpistons of described set of teeth；And
In each of described a series of formpistons, a former is formed, it is thus achieved that a series of formers, as progressively with elastomeric material
Adjust the dental instruments of described set of teeth.
6. the method producing the digital data sets representing dental phenomenon, the method includes:
Obtain the first digital data sets representing one group of tooth first state；
The 3-D view of this group tooth is provided based on described first digital data sets；
There is provided at least one operator, for moving teeth in a discrete fashion；
According to first group of user instruction, the first tooth in this group tooth is applied described operator repeatedly, it is thus achieved that the first operation
Sequence；
According to second group of user instruction, while applying described operator repeatedly the first tooth of described set of teeth, to this
The second tooth in group tooth applies described operator repeatedly, it is thus achieved that second sequence of operation, wherein, and described first group and second group
User instruction is that user inputs according to the 3-D view of this group tooth, the application to the operator each time of described first tooth
An operation in corresponding described first sequence of operation, described to the application correspondence of the operator each time of described second tooth the
An operation in two sequences of operation；
According to the 3rd group of user instruction, combine described first sequence of operation and second sequence of operation obtains total sequence of operation；And
Produce according to described total sequence of operation and described first digital data sets and represent that described set of teeth is from described first tooth shape
State is to the first digital data sets sequence of a series of dental phenomenons gradually of N dental phenomenon, described first digital data sets
Sequence includes the coordinate data of tooth.
7. method as claimed in claim 6, it is characterised in that described operator includes following at least one: along coordinate system X
Axle forward translates, along the translation of coordinate system X-axis negative sense, along the translation of coordinate system Y-axis forward, along the translation of coordinate system Y-axis negative sense, along coordinate
It is the translation of Z axis forward, translates along coordinate system Z axis negative sense, turn clockwise around coordinate system X-axis, revolve counterclockwise around coordinate system X-axis
Turn, turn clockwise around coordinate system Y-axis, turn clockwise around coordinate system Z axis and their combination in any.
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| CN101006940A (en) * | 1997-06-20 | 2007-08-01 | 矫正技术公司 | Method and system for incrementally moving teeth |
| CN101604456A (en) * | 2009-07-03 | 2009-12-16 | 西安市恒惠科技有限公司 | Tooth shifter in the area of computer aided orthodontic |
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| CN101006940A (en) * | 1997-06-20 | 2007-08-01 | 矫正技术公司 | Method and system for incrementally moving teeth |
| CN101604456A (en) * | 2009-07-03 | 2009-12-16 | 西安市恒惠科技有限公司 | Tooth shifter in the area of computer aided orthodontic |
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