CN104983476B - Dentition defect digitalized oral cavity plants locator quadratic fit manufacture method - Google Patents
Dentition defect digitalized oral cavity plants locator quadratic fit manufacture method Download PDFInfo
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- CN104983476B CN104983476B CN201510447522.0A CN201510447522A CN104983476B CN 104983476 B CN104983476 B CN 104983476B CN 201510447522 A CN201510447522 A CN 201510447522A CN 104983476 B CN104983476 B CN 104983476B
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Abstract
A kind of dentition defect digitalized oral cavity plants locator quadratic fit manufacture method, make tooth-implanting position site design and planting body selection it is more scientific and reasonable, reduce design difficulty and but improve design accuracy, the aesthetic effect after dentition defect plantation dental restortion is greatly improved, thereby also reduces the difficulty and risk of later stage reparation.
Description
Technical field
The invention belongs to implant prostheses technical field, more particularly to a kind of dentition defect digitalized oral cavity plantation positioning
Device quadratic fit manufacture method.
Background technology
Oral implant rehabilitation has become the increasing practical technique of clinical practice, with market continuous expansion and
Continuous improvement of the current period patient to aesthetic requirement, the core of oral implant rehabilitation technology is via the jail for focusing on planting body
The biocompatibility of solidity and material has been increasingly turned to higher precision and natural beauty.
Traditional oral implant rehabilitation technology, be by doctor rule of thumb, pass through two-dimensional ct image infer patient three
Bone structure and soft tissue condition are tieed up, is performed the operation with this to formulate surgical planning and implementation, risk is big, low precision.2011, applicant
Carry out technical research for the technical problem depth and obtain important breakthrough, applied with " positioning device for tooth planting preparation method "
(the patent No.：201110261622.6) it is the multinomial patent of core, and authorized.Series of products based on above-mentioned technology are also fast
Speed captures domestic market, has obtained being widely recognized as market and industry.
In the application of reality, clinician is generally reflected：The preparation method is applied in general tooth position deletion condition more,
Can not be exactly accurate by the desired Position Design tooth-implanting position site of client, Er Qie for the edentulous jaw plantation for requiring higher
The problem of being difficult to repair is also likely to be present during reparation.
Main reason is that：The preparation method, although having been realized in allowing doctor under the booster action of computer software
Design plantation point position and operation plan on three-dimensional stereo model, but doctor is more to ensure planting body in upper lower jaw jawbone
The maintenance of most stability and high efficiency is obtained, that is, have devised perfect plantation nest.But in actual applications, due to patient tooth itself
Lieque is lost, i.e. the upper jaw or lower jaw even bilateral, exists completely without tooth body, causes in fitting, gypsum tooth 3 d scan data
Very accurately can not accurately it be fitted with the three-dimensional stereo model of internal mouth environment, small deviation can all cause plantation to be repaiied
Multiple effect is undesirable.
Thus cause to be frequently necessary to the base station of connection corona and planting body is adjusted or even transformed.But this is still insufficient
To solve the problems, such as that corona is misaligned and sting jaw inaccuracy, influence whether that integrally-built stabilization is rationally and beautiful on the contrary
See.
The content of the invention
The present invention provides a kind of dentition defect digitalized oral cavity plantation to solve technical problem present in known technology
Locator quadratic fit manufacture method.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of dentition defect digitalized oral cavity plants locator quadratic fit manufacture method, it is characterised in that the making side
Method comprises the following steps：
Patient produces plaster dental model, and wax tooth processed is arranged on plaster dental model according to occluding relation；
The resistance more than at two is placed on wax tooth and penetrates thing as radiation reference point, forms radiation artificial tooth；
Patient wears radiation artificial tooth shooting oral cavity CT, using the three-dimensional stereo model of CT picture construction internal mouth environments,
Establish comprehensive plantation prosthesis simulated environment；
Plaster dental model with radiation artificial tooth is subjected to 3-dimensional digital scanning；
According to radiation reference point, by the three-dimensional stereo model of patient's internal mouth environment, with the gypsum with radiation artificial tooth
Tooth 3 d scan data, once fitting is carried out, obtains block mold；
According to the result of once fitting, the planting body of suitable brand, model is chosen, it is determined that plantation site, design plantation is repaiied
Compound case；
The plaster dental model for removing radiation artificial tooth is subjected to 3-dimensional digital scanning；
The block mold that once fitting is obtained, the gypsum tooth 3 d scan data with removing radiation artificial tooth, is carried out secondary
Fitting, the result according to quadratic fit design positioning device for tooth planting model；
According to the positioning device for tooth planting model of generation, the processed file of positioning device for tooth planting is obtained；
Positioning device for tooth planting processed file is sent to process equipment, processes positioning device for tooth planting.
The present invention can also use following technical scheme：
The process equipment is 3D printer.
The patient wears radiation artificial tooth shooting oral cavity CT, utilizes the 3 D stereo mould of CT picture construction internal mouth environments
Type, the implementation method for establishing comprehensive plantation prosthesis simulated environment are：
Patient oral cavity CT data are imported, adjust threshold value；
Threedimensional model is constructed into patient oral cavity, truly intactly shows three-dimensional bone structure and soft tissue condition；
On 3-D view, variant section is observed, obtains any local three-dimensional bone structure and soft tissue and nerve
Distribution situation, establish comprehensive plantation prosthesis simulated environment
The present invention has the advantages and positive effects of：Make the design in dentition defect tooth-implanting position site and the choosing of planting body
Take more scientific and reasonable, reduce design difficulty and but improve design accuracy, after greatly improving tooth position missing plantation dental restortion
Aesthetic effect, thereby also reduce the later stage reparation difficulty and risk.
Embodiment
For present disclosure, feature and effect can be further appreciated that, it is as follows hereby to enumerate following examples detailed description：
When patient has dentition defect, positioning device for tooth planting can be made using this method.
Allow patient to produce plaster dental model first, wax tooth processed is arranged on plaster dental model according to occluding relation, on wax tooth
Place the resistance more than at two and penetrate thing as radiation reference point, form radiation artificial tooth.Thing is penetrated in resistance can be but not limited to zirconium pearl, sulfuric acid
Barium etc..Why need to place at two and thing is penetrated in the resistance of the above, be because the coincidence of single point position can not ensure accurately to overlap.
Patient wears radiation artificial tooth shooting oral cavity CT, and patient oral cavity CT data are imported and plant tooth and locator custom-built system
In, every threshold value that computer software is set is adjusted according to patient's concrete condition (corresponding computer software is known
Technology).Threedimensional model is constructed into patient oral cavity, truly intactly shows three-dimensional bone structure and soft tissue condition, this three
On dimensional view, by rotating, scaling, the function such as transparence, observe variant section, obtain any local three-dimensional bone structure and
Soft tissue and Substance P situation, establish comprehensive plantation prosthesis simulated environment.
Plaster dental model with radiation artificial tooth is subjected to 3-dimensional digital scanning, according to radiation reference point, by patient oral cavity
The three-dimensional stereo model of internal environment, once fitting is carried out with the gypsum tooth 3 d scan data with radiation artificial tooth.According to one
The result of secondary fitting, the planting body of suitable brand, model is chosen, it is determined that plantation site, design plantation recovery scenario.
In once fitting, patient has worn radiation artificial tooth, and gypsum tooth then makes the radiation of the two with radiation artificial tooth
The position of reference point overlaps, and is correct matching position.Why so do, be because patient dentition defect itself, if
CT is merely, completely can be as the mark of the two position coincidence without a tooth in the case of plaster cast also dentition defect
Will, then can not be by the two exactitude position.
The block mold that once fitting is obtained, the gypsum tooth 3 d scan data with removing radiation artificial tooth, is carried out secondary
Fitting, the result according to quadratic fit design positioning device for tooth planting model.According to the positioning device for tooth planting model of generation,
The processed file of positioning device for tooth planting is obtained, positioning device for tooth planting processed file is transmitted into 3D printer, processes oral cavity
Plant locator.
That is, the starting point of old technology, still allows planting body to deacclimatize jawbone, and the application then derives from market
Demand, model and the positioning of planting body are together decided on by the corona after repairing and the jawbone of patient.Then, according to once fitting
As a result, the planting body of suitable brand, model is chosen, it is determined that plantation site, design plantation recovery scenario.
The plaster dental model for removing radiation artificial tooth is subjected to 3-dimensional digital scanning, by the scan data and once fitting result
Threedimensional model carry out quadratic fit.Here quadratic fit, it acts on the fitting substantially corresponded in old technology.Thus
Positioning device for tooth planting model is generated, and further obtains the processed file of positioning device for tooth planting, tooth-planting is determined
Position device processed file is sent to 3D printer, processes positioning device for tooth planting.
The product that the positioning device for tooth planting so produced, its material and outward appearance go out with old fabrication techniques, surface is simultaneously
Indifference, but its precision is higher, and in clinical trial, the final position of planting body and the deviation of design attitude are controlled to
Within 0.01mm.
Claims (3)
1. a kind of dentition defect digitalized oral cavity plants locator quadratic fit manufacture method, it is characterised in that the preparation method
Comprise the following steps：
Patient produces plaster dental model, and wax tooth processed is arranged on plaster dental model according to occluding relation；
The resistance more than at two is placed on wax tooth and penetrates thing as radiation reference point, forms radiation artificial tooth；
Patient wears radiation artificial tooth shooting oral cavity CT, using the three-dimensional stereo model of CT picture construction internal mouth environments, establishes
Comprehensive plantation prosthesis simulated environment；
Plaster dental model with radiation artificial tooth is subjected to 3-dimensional digital scanning；
According to radiation reference point, by the three-dimensional stereo model of patient's internal mouth environment, with the gypsum tooth three with radiation artificial tooth
Scan data is tieed up, once fitting is carried out, obtains block mold；
According to the result of once fitting, the planting body of suitable brand, model is chosen, it is determined that site is planted, design plantation reparation side
Case；
The plaster dental model for removing radiation artificial tooth is subjected to 3-dimensional digital scanning；
The block mold that once fitting is obtained, the gypsum tooth 3 d scan data with removing radiation artificial tooth, carries out quadratic fit,
Result according to quadratic fit designs positioning device for tooth planting model；
According to the positioning device for tooth planting model of generation, the processed file of positioning device for tooth planting is obtained；
Positioning device for tooth planting processed file is sent to process equipment, processes positioning device for tooth planting.
2. manufacture method as claimed in claim 1, it is characterised in that the process equipment is 3D printer.
3. manufacture method as claimed in claim 1 or 2, it is characterised in that the patient wears radiation artificial tooth shooting oral cavity CT,
Using the three-dimensional stereo model of CT picture construction internal mouth environments, the realization of comprehensive plantation prosthesis simulated environment is established
Method is：
Patient oral cavity CT data are imported, adjust threshold value；
Threedimensional model is constructed into patient oral cavity, truly intactly shows three-dimensional bone structure and soft tissue condition；
On 3-D view, variant section is observed, obtains any local three-dimensional bone structure and soft tissue and Substance P
Situation, establish comprehensive plantation prosthesis simulated environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510447522.0A CN104983476B (en) | 2015-07-24 | 2015-07-24 | Dentition defect digitalized oral cavity plants locator quadratic fit manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510447522.0A CN104983476B (en) | 2015-07-24 | 2015-07-24 | Dentition defect digitalized oral cavity plants locator quadratic fit manufacture method |
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| CN104983476A CN104983476A (en) | 2015-10-21 |
| CN104983476B true CN104983476B (en) | 2017-11-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106473822B (en) * | 2016-11-02 | 2021-02-02 | 北京西科码医疗科技股份有限公司 | Non-dental jaw implantation method for designing and manufacturing temporary false tooth before operation |
| CN110559094B (en) * | 2019-03-22 | 2021-07-02 | 儒蓉(成都)医疗科技有限公司 | Method for accurately matching CBCT data and STL data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578076A (en) * | 2007-01-10 | 2009-11-11 | 诺贝尔生物服务公司 | Method and system for dental planning and production |
| CN1889897B (en) * | 2003-12-10 | 2010-08-18 | 诺贝尔生物公司 | System and arrangement for production and insertion of a dental bridge structure |
| CN102266251A (en) * | 2011-09-06 | 2011-12-07 | 天津市亨达升科技发展有限公司 | Manufacture method and drilling device for oral implant locator |
| CN104382661A (en) * | 2014-11-25 | 2015-03-04 | 深圳市康泰健牙科器材有限公司 | Manufacturing method and system of digitized 3D implanting guide plate |
-
2015
- 2015-07-24 CN CN201510447522.0A patent/CN104983476B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889897B (en) * | 2003-12-10 | 2010-08-18 | 诺贝尔生物公司 | System and arrangement for production and insertion of a dental bridge structure |
| CN101578076A (en) * | 2007-01-10 | 2009-11-11 | 诺贝尔生物服务公司 | Method and system for dental planning and production |
| CN102266251A (en) * | 2011-09-06 | 2011-12-07 | 天津市亨达升科技发展有限公司 | Manufacture method and drilling device for oral implant locator |
| CN104382661A (en) * | 2014-11-25 | 2015-03-04 | 深圳市康泰健牙科器材有限公司 | Manufacturing method and system of digitized 3D implanting guide plate |
Non-Patent Citations (1)
| Title |
|---|
| 放射定位标记模板技术在牙种植外科前三维影像分析中的应用;马光曙;《口腔材料器材》;20091231;第18卷(第3期);127-130 * |
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| CN104983476A (en) | 2015-10-21 |
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