CN106344186A - Tooth root-based digital tooth-arraying method and device - Google Patents
Tooth root-based digital tooth-arraying method and device Download PDFInfo
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- CN106344186A CN106344186A CN201610956929.0A CN201610956929A CN106344186A CN 106344186 A CN106344186 A CN 106344186A CN 201610956929 A CN201610956929 A CN 201610956929A CN 106344186 A CN106344186 A CN 106344186A
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- tooth
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- alveolar bone
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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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
- A61C2007/004—Automatic construction of a set of axes for a tooth or a plurality of teeth
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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Abstract
The invention provides a tooth root-based digital tooth-arraying method and device. The digital tooth-arraying method comprises the following steps: S1) acquiring CBCT data of the oral cavity of a patient; S2) respectively performing 3D modeling on the alveolar bone, the tooth root and the dental crown; S3) wholly arraying teeth for the dental crown and the tooth root, and setting the minimal safe distance between the alveolar bone and the tooth root before arraying the teeth; S4) viewing the minimal distance between the alveolar bone and the tooth root of each tooth, and imaging and displaying the minimal distance between the alveolar bone and the tooth root; and S5) performing orthodontic correction on the patient. According to the invention, the alveolar bone, the tooth root and the dental crown of the patient are subjected to 3D modeling; in a digital tooth-arraying process, the position relation between the alveolar bone and the tooth root can be concerned all the time; and the minimal distance between the outer surface of the alveolar bone and the tooth root can be set, so that in the tooth-arraying process, the minimal safe distance between the tooth root and the cortical bone of the alveolar bone can be realized, and the tooth root is prevented from moving out of the alveolar bone.
Description
Technical field
The present invention relates to orthodontic technical field, more particularly, to a kind of digitized row's tooth method based on root of the tooth and dress
Put.
Background technology
At present, existing correction row's tooth is substantially based on patient's corona scan data, or using scanning in direct mouth, or
The scanning of the plaster model being turned over using patient, is digitized arranging tooth further according to corona data.However, said method is fundamentally
Have the disadvantage that during row's tooth, corona and tooth location of root are all changing, and said method simply simulates corona
Change in location process, this there is very big hidden danger.Such as it is likely that during mobile corona, being not concerned with root of the tooth
Situation of movement.Thus, in a practical situation, root of the tooth moves to inappropriate position, such as presses close to the cortical bone of alveolar bone, leads
Cause the absorption of the tip of a root, more serious may lead to root of the tooth removal alveolar bone, lead to bone to be started, ftracture.
Therefore, for the problems referred to above it is necessary to propose further solution.
Content of the invention
It is an object of the invention to provide a kind of digitized row's tooth method and device based on root of the tooth, to overcome prior art
Present in not enough.
For achieving the above object, the present invention provides a kind of row's tooth method of the digitized based on root of the tooth, and it includes as follows
Step:
S1, using cbct, patient oral cavity is scanned, obtains patient oral cavity cbct data；
S2, the cbct data according to acquisition, carry out three-dimensional modeling respectively to alveolar bone, root of the tooth, corona；
S3, the alveolar bone according to obtaining, root of the tooth, the threedimensional model of corona, carry out entirety and arrange tooth, arrange tooth to corona and root of the tooth
Minimum safe distance between front setting alveolar bone and root of the tooth；
After the completion of s4, row's tooth, check the minimum range between the root of the tooth of each tooth and alveolar bone, and to described root of the tooth and tooth
Minimum range between groove bone is patterned display；
S5, according to row's tooth result and graphic software platform result, orthodontic therapy is carried out to patient.
Arrange the improvement of tooth method as the digitized based on root of the tooth for the present invention, also wrap between described step s2 and step s3
Include:
Set the minimum safe distance between root of the tooth, alveolar bone.
Arrange the improvement of tooth method as the digitized based on root of the tooth for the present invention, described step s3 also includes:
Corona and root of the tooth are carried out overall arrange tooth during, minimum range between real time contrast's root of the tooth and alveolar bone with
The magnitude relationship of little safe distance, as described minimum range is less than described minimum safe distance, then points out to user, user
Overall row's tooth can be re-started.
Arrange the improvement of tooth method as the digitized based on root of the tooth for the present invention, in described step s3, carry out entirety and arrange tooth
When include: integral translation or rotation are carried out to corona and root of the tooth.
As the present invention based on root of the tooth digitized arrange tooth method improvement, described orthodontic therapy include invisalign or
The non-invisalign of person.
For achieving the above object, the present invention provides a kind of row's tooth device of the digitized based on root of the tooth, comprising:
Oral cavity cbct data acquisition module, it is used for by cbct, patient oral cavity being scanned, and obtains patient oral cavity
Cbct data；
Three-dimensional modeling module, it is used for, according to the cbct data obtaining, carrying out three-dimensional respectively to alveolar bone, root of the tooth, corona
Modeling；
Overall row's tooth module, its be used for according to the alveolar bone obtaining, root of the tooth, corona threedimensional model, to corona and root of the tooth
Carry out entirety and arrange tooth；
Graphic software platform module, after the completion of it is used for arranging tooth, checks the narrow spacing between the root of the tooth of each tooth and alveolar bone
From, and display is patterned to the minimum range between described root of the tooth and alveolar bone；
Orthodontic therapy module, it is used for, according to row's tooth result and graphic software platform result, carrying out orthodontic therapy to patient.
Arrange the improvement of tooth device as the digitized based on root of the tooth for the present invention, described digitized row's tooth device also includes: carries
Awake module, it is used for the minimum safe distance between alveolar bone and the root of the tooth according to user setup, compares the tooth of reality after row's tooth
Groove bone and the distance of root of the tooth, if this distance, less than minimum safe distance, is patterned prompting to user.
Compared with prior art, the invention has the beneficial effects as follows: the present invention based on root of the tooth digitized row tooth method will
The root of the tooth of patient, corona, alveolar bone are modeled by threedimensional model, and during the row's of being digitized tooth, the moment can close
Note the position relationship between root of the tooth and alveolar bone, and root of the tooth and the minimum range of alveolar bone outer surface can be set, in row
The cortical bone minimum safe distance of root of the tooth and alveolar bone is fully achieved, it is to avoid root of the tooth removes the generation of alveolar bone during tooth.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments described in invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram of digitized row's tooth method one specific embodiment based on root of the tooth of the present invention.
Specific embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these
Embodiment not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method,
Or the equivalent transformation in structure or replacement, belong within protection scope of the present invention.
As shown in figure 1, the digitized row's tooth method based on root of the tooth of the present invention includes:
S1, using cbct, patient oral cavity is scanned, obtains patient oral cavity cbct data.
Wherein, described cbct is the abbreviation of cone beam ct, i.e. cone beam ct.Specifically, described cbct is a kind of cone
The pencil of forms is thrown according to computer restructuring fault image equipment, and its principle is that x line generator does ring around throwing according to body with relatively low quantity of X-rays X
The digital throwing of shape is shone.Then, will be around throwing according to body repeatedly numeral throwing according to the data obtained in rear " common factor ", in a computer
" restructuring " afterwards and then obtains 3-D view.
S2, the cbct data according to acquisition, carry out three-dimensional modeling respectively to alveolar bone, root of the tooth, corona.
Additionally, also including between described step s2 and step s3: set the minimum safe distance between root of the tooth, alveolar bone.
By arranging this minimum safe distance, be conducive to the minimum range between described root of the tooth, alveolar bone being detected, to judge it
Whether meet safety criterion.
S3, the alveolar bone according to obtaining, root of the tooth, the threedimensional model of corona, carry out entirety and arrange tooth, arrange tooth to corona and root of the tooth
Before minimum safe distance between alveolar bone and root of the tooth can be set.
By described step s3, take into full account the position relationship of corona and root of the tooth during row's tooth, it is to avoid individually consider
The drawbacks of corona change in location is brought.Wherein, carry out overall row to include during tooth: carry out integral translation or rotation to corona and root of the tooth
Turn.
Additionally, when setting root of the tooth, minimum safe distance between alveolar bone, described step s3 also includes: to corona and
Root of the tooth carry out overall arrange tooth during, the size of minimum range between real time contrast's root of the tooth and alveolar bone and minimum safe distance
Relation, as described minimum range is less than described minimum safe distance, then points out to user, user can re-start overall row
Tooth.So, it is possible to ensure that the minimum range moment between described root of the tooth, alveolar bone meets safety criterion.
After the completion of s4, row's tooth, check the minimum range between the root of the tooth of each tooth and alveolar bone, and to described root of the tooth and tooth
Minimum range between groove bone is patterned display.
S5, according to row's tooth result and graphic software platform result, orthodontic therapy is carried out to patient.
Wherein, described orthodontic therapy includes invisalign or non-invisalign.
Tooth method is arranged based on digitized as above, the present invention also provides a kind of row's tooth dress of the digitized based on root of the tooth
Put, comprising: oral cavity cbct data acquisition module, three-dimensional modeling module, overall row's tooth module, graphic software platform module, correction
Rescue module.
Wherein, described oral cavity cbct data acquisition module is used for by cbct, patient oral cavity being scanned, and obtains patient
Oral cavity cbct data；Described three-dimensional modeling module is used for, according to the cbct data obtaining, alveolar bone, root of the tooth, corona being entered respectively
Row three-dimensional modeling；Described overall row's tooth module be used for according to the alveolar bone obtaining, root of the tooth, corona threedimensional model, to corona and
Root of the tooth carries out entirety and arranges tooth；After the completion of described graphic software platform module is used for arranging tooth, check the root of the tooth of each tooth and alveolar bone it
Between minimum range, and display is patterned to the minimum range between described root of the tooth and alveolar bone；Described orthodontic therapy mould
Block, it is used for, according to row's tooth result and graphic software platform result, carrying out orthodontic therapy to patient.
Additionally, described digitized row's tooth device also includes: prompting module, it is used for alveolar bone and tooth according to user setup
Minimum safe distance between root, compares the distance of actual alveolar bone and root of the tooth after row's tooth, if this distance is less than minimum peace
Full distance, then be patterned prompting to user.
In sum, the root of the tooth of patient, corona, alveolar bone are passed through by the digitized row's tooth method based on root of the tooth of the present invention
Threedimensional model is modeled, and during the row's of being digitized tooth, the moment can be concerned about the position between root of the tooth and alveolar bone
Relation, and root of the tooth and the minimum range of alveolar bone outer surface can be set, fully achieve root of the tooth and alveolus during row's tooth
The cortical bone minimum safe distance of bone, it is to avoid root of the tooth removes the generation of alveolar bone.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (7)
1. a kind of digitized row's tooth method based on root of the tooth is it is characterised in that described digitized row's tooth method comprises the steps:
S1, using cbct, patient oral cavity is scanned, obtains patient oral cavity cbct data；
S2, the cbct data according to acquisition, carry out three-dimensional modeling respectively to alveolar bone, root of the tooth, corona；
S3, the alveolar bone according to obtaining, root of the tooth, the threedimensional model of corona, carry out entirety and arrange tooth, set before row's tooth to corona and root of the tooth
Put the minimum safe distance between alveolar bone and root of the tooth；
After the completion of s4, row's tooth, check the minimum range between the root of the tooth of each tooth and alveolar bone, and to described root of the tooth and alveolar bone
Between minimum range be patterned display；
S5, according to row's tooth result and graphic software platform result, orthodontic therapy is carried out to patient.
2. the digitized row's tooth method based on root of the tooth according to claim 1 is it is characterised in that described step s2 and step
Also include between s3:
Set the minimum safe distance between root of the tooth, alveolar bone.
3. the digitized row's tooth method based on root of the tooth according to claim 2 is it is characterised in that described step s3 is also wrapped
Include:
During corona and root of the tooth being carried out integrally arrange tooth, the minimum range between real time contrast's root of the tooth and alveolar bone is pacified with minimum
The magnitude relationship of full distance, as described minimum range is less than described minimum safe distance, then points out to user, user can weigh
Newly carry out entirety and arrange tooth.
4. the digitized row's tooth method based on root of the tooth according to claim 1 is it is characterised in that in described step s3, enter
Include during row overall row tooth: integral translation or rotation are carried out to corona and root of the tooth.
5. the digitized row's tooth method based on root of the tooth according to claim 1 is it is characterised in that described orthodontic therapy includes
Invisalign or non-invisalign.
6. a kind of digitized row's tooth device based on root of the tooth is it is characterised in that described digitized row's tooth device includes:
Oral cavity cbct data acquisition module, it is used for by cbct, patient oral cavity being scanned, and obtains patient oral cavity cbct number
According to；
Three-dimensional modeling module, it is used for, according to the cbct data obtaining, carrying out three-dimensional modeling respectively to alveolar bone, root of the tooth, corona；
Overall row's tooth module, its be used for according to the alveolar bone obtaining, root of the tooth, corona threedimensional model, corona and root of the tooth are carried out
Overall row's tooth；
Graphic software platform module, after the completion of it is used for arranging tooth, checks the minimum range between the root of the tooth of each tooth and alveolar bone, and
Display is patterned to the minimum range between described root of the tooth and alveolar bone；
Orthodontic therapy module, it is used for, according to row's tooth result and graphic software platform result, carrying out orthodontic therapy to patient.
7. the digitized row's tooth device based on root of the tooth according to claim 6 is it is characterised in that described digitized row's tooth fills
Put and also include: prompting module, it is used for the minimum safe distance between alveolar bone and the root of the tooth according to user setup, compares row's tooth
The distance of actual alveolar bone and root of the tooth afterwards, if this distance, less than minimum safe distance, is patterned prompting to user.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956929.0A CN106344186A (en) | 2016-10-27 | 2016-10-27 | Tooth root-based digital tooth-arraying method and device |
| CN201710069091.8A CN107997835A (en) | 2016-10-27 | 2017-02-08 | Digitlization row's tooth method and device based on root of the tooth |
| PCT/CN2017/097658 WO2018076897A1 (en) | 2016-10-27 | 2017-08-16 | Tooth root-based method and device for digitized tooth arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956929.0A CN106344186A (en) | 2016-10-27 | 2016-10-27 | Tooth root-based digital tooth-arraying method and device |
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| CN106344186A true CN106344186A (en) | 2017-01-25 |
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| CN201610956929.0A Pending CN106344186A (en) | 2016-10-27 | 2016-10-27 | Tooth root-based digital tooth-arraying method and device |
| CN201710069091.8A Pending CN107997835A (en) | 2016-10-27 | 2017-02-08 | Digitlization row's tooth method and device based on root of the tooth |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710069091.8A Pending CN107997835A (en) | 2016-10-27 | 2017-02-08 | Digitlization row's tooth method and device based on root of the tooth |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107625554A (en) * | 2017-11-03 | 2018-01-26 | 云艺生物科技（长春）有限公司 | A kind of design method based on orthodontic scheme |
| WO2018076897A1 (en) * | 2016-10-27 | 2018-05-03 | 苏州迪凯尔医疗科技有限公司 | Tooth root-based method and device for digitized tooth arrangement |
| CN111096814A (en) * | 2019-12-27 | 2020-05-05 | 上海牙典医疗器械有限公司 | Method and device for generating appliance |
| CN111407440A (en) * | 2020-03-31 | 2020-07-14 | 上海正雅齿科科技股份有限公司 | Shell-shaped dental instrument and design method and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9421074B2 (en) * | 2001-04-13 | 2016-08-23 | Orametrix, Inc. | Unified three dimensional virtual craniofacial and dentition model and uses thereof |
| CN102415916A (en) * | 2011-07-29 | 2012-04-18 | 首都医科大学附属北京口腔医院 | Correction method for preventing excessive stress concentration of teeth roots and jaws in process of orthodontic treatment |
| CN105030347A (en) * | 2015-07-23 | 2015-11-11 | 南京航空航天大学 | Digital orthodontic tooth arrangement method based on tooth root information and bracket transfer device designing method based on digital orthodontic tooth arrangement method |
| CN105708565A (en) * | 2016-02-02 | 2016-06-29 | 北京正齐口腔医疗技术有限公司 | Method and device for manufacturing orthodontic bracket |
| CN105832432A (en) * | 2016-03-17 | 2016-08-10 | 边专 | Invisible orthodontic treatment method designing integral movement of teeth based on morphology of alveolar bones |
-
2016
- 2016-10-27 CN CN201610956929.0A patent/CN106344186A/en active Pending
-
2017
- 2017-02-08 CN CN201710069091.8A patent/CN107997835A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076897A1 (en) * | 2016-10-27 | 2018-05-03 | 苏州迪凯尔医疗科技有限公司 | Tooth root-based method and device for digitized tooth arrangement |
| CN107625554A (en) * | 2017-11-03 | 2018-01-26 | 云艺生物科技（长春）有限公司 | A kind of design method based on orthodontic scheme |
| CN111096814A (en) * | 2019-12-27 | 2020-05-05 | 上海牙典医疗器械有限公司 | Method and device for generating appliance |
| CN111407440A (en) * | 2020-03-31 | 2020-07-14 | 上海正雅齿科科技股份有限公司 | Shell-shaped dental instrument and design method and preparation method thereof |
| CN111407440B (en) * | 2020-03-31 | 2022-02-01 | 正雅齿科科技(上海)有限公司 | Shell-shaped dental instrument and design method and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107997835A (en) | 2018-05-08 |
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