CN101239007A - Method for preparing tooth implant locating guiding template - Google Patents
Method for preparing tooth implant locating guiding template Download PDFInfo
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- CN101239007A CN101239007A CNA2008100431632A CN200810043163A CN101239007A CN 101239007 A CN101239007 A CN 101239007A CN A2008100431632 A CNA2008100431632 A CN A2008100431632A CN 200810043163 A CN200810043163 A CN 200810043163A CN 101239007 A CN101239007 A CN 101239007A
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Abstract
The invention relates to a method for producing a tooth plant positioning guiding template, comprising the following steps: (1) scanning the jaw bone of sufferers by multiple-layer helix CT to obtain the three dimensional anatomy structure information of the jaw bone; (2) establishing a three dimensional jaw bone model in CAD software; (3) measuring the bone structure of the plant area lack of tooth according to the three dimensional jaw bone model; (4) confirming the plant point, direction and depth of the dental implant according to the measuring result; (5) producing the positioning guiding template entity model based on dental face- bone face combination support type by applying photo-curing rapid forming technology; (6) having surface treatment to the positioning guiding template entity prototype. The advantage of the invention is that: a surgery positioning guiding template adopts a retention method of dental face-bone face combination support with accurate retention, high precision and convenient process.
Description
Technical field
The present invention relates to a kind of tooth-planting surgery positioning and guiding die plate designing manufacture method, particularly disclose the manufacture method that a kind of facing-surface of bone is united the tooth implant locating guiding template of support.
Background technology
The oral implant rehabilitation operation mainly applies to dentition defect, defect of dentition patient's treatment, and for the tooth-planting operation, the plantation site of tooth, plantation path, planting depth and plantation angle etc. are the key factors of influence operation success or not.
Although have the surgeon who enriches clinical experience can be in operation technique appropriateness hold position, direction and the degree of depth of tooth implant; but for many complicated cases; especially in polydonita disappearance zone, when being subjected to the bone grafting textural anomaly or having situations such as bone is damaged to exist; often easily cause error, cause the perforation of alveolar bone sidewall, nerve injury or implantation body position in the art, direction and the degree of depth to implant phenomenons such as unreasonable.
The surgery template is as the carrier of final information, accurately give realization with accurate location and guiding with the design philosophy of its implant operation by template in the art, the safety and the obtaining of function and aesthetic effect of repairing this complex engineering for plantation all have the important clinical meaning.
At present, domestic with the tooth implant operation be purpose conventional surgical template all based on the model basic engineering, only utilize mucosa support.Its manufacture method is: conventional delivery is irritated mould, by making transparent self curing plastic by hand, also uses preformation transparent thermoplastic tablet and forms through the compacting of air molding press on plaster model.Though the method is simple, has problem:
(1) poor accuracy.Because of there are gap in model and practical situation, general gingival mucosa all has the thickness of 2mm～5mm, and along with the time lengthening in anodontia district, chew effect with inflammation, mucosa thickens or pathologic changes, aggravate alveolar bone atrophy gradually, can't correctly estimate to cover the height and the width of quadrate bone under the mucoperiosteum; Alveolar bone after part patient's extraction has depression damaged, may cause plantation to bore the sidewall perforation based on the stencil design of model, possibility of vital tissue such as at the bottom of damage inferior alveolar nerve and the maxillary sinus, generation severe complication.
(2) degree of accuracy is not high.Because implant operation is to operate after separation, the strip off gingival mucosa tissue flap, there is certain distance in the surface of bone of conventional surgical template and growing area, form a cantilever end or form unsettled bridge, make the plantation spitting drill in the locating hole of template, locate imprecise, suspending part branch swings spitting drill, influences the accuracy of implant operation;
(3) maintenance is poor, do not have chimeric maintenance part in operation between conventional surgical template and mucosa or the surface of bone, the doctor places and the fixed form position by rule of thumb, and the template deflection can take place, guiding plantation direction has influenced accuracy and accuracy when implantation body implants mistakenly.
Summary of the invention
The objective of the invention is to overcome the defective that exists in the prior art, the manufacture method of high accuracy, high accuracy, tooth implant locating guiding template that maintenance is good is provided.
The present invention is achieved in that a kind of manufacture method of the tooth implant locating guiding template based on facing-surface of bone associating support pattern, comprises the steps:
(1) information data is obtained: with multi-layer spiral CT scan patients jawbone, obtain jawbone three dimensional structure information;
(2) set up three-dimensional jawbone model: the jawbone three dimensional structure information of above-mentioned acquisition is imported in the CAD software, carry out three-dimensional reconstruction, set up three-dimensional jawbone model by the jawbone three dimensional structure information that is obtained;
(3) measure: according to described three-dimensional jawbone model, the host site of agomphosis is carried out the bone structure Measurement and analysis, it is standby to record the result;
(4) tooth implant is implanted design: according to three-dimensional jawbone model and above-mentioned measurement result, determine site, direction and the degree of depth of tooth implant implantation and size, the shape of tooth implant in edentulous region;
(5) tooth implant locating guiding template entity prototype: preserve above-mentioned data and derive application photocureable rapid shaping fabrication techniques locating guiding template entity prototype.
(6) the template finishing is carried out surface treatment to described locating guiding template entity prototype.
After above-mentioned steps (4),, set up emulation tooth implant model and simulate plantation according to the size shape of the tooth implant implantation site of determining, implantation direction, implantation depth and tooth implant.And the three-dimensional jawbone model of above-mentioned foundation is made two-dimensional engineering graphic export.
The photocureable rapid shaping technology comprises successively described in the above-mentioned steps (5): to the layering of above-mentioned three-dimensional jawbone model slice, according to slicing delamination generation numerical control code, generation entity prototype.
The invention has the beneficial effects as follows: (1) accuracy and precision height.Because of utilizing the CAD/CAM technology and based on CT three-dimensional structural analysis basis, really reflected designing requirement before the implant surgery art, carrier information is not only from the dentognathic model of appearance and comprise the analysis of CT original image from inside, reconstructed picture, 3-D solid structure image and the mutual result who adjusts with design of implantation body's three dimensions.It can produce the template that directly is affixed on the alveolar bone surface, be that facing and surface of bone are united support, eliminated the gap of conventional template and bone surface, the location more becomes reasonable, the direction of guiding is more accurate and easy to operate, more helps holding tram and the direction that implantation body implants clinically; (2) maintenance is good, and is safe and reliable.Because of utilizing facing and surface of bone to unite support, particularly with the chimeric mode of tooth, increased the accuracy of Template Location, multiple uniqueness makes it more firm, has avoided dislocation or moves; The misleading that brings has guaranteed the safety of operation; (3) processing and fabricating is convenient.Adopt Philips64 slices spiral CT fault image machine that patient's mandibular bone is scanned, the volume data of obtaining jawbone imports the CAD Autocad, and use the CAD assistant software at the plan plantation site of mandibular bone Design Orientation guiding die plate, utilization photocureable rapid shaping technology (StereoLithography AppaFatu, SLA) processing and fabricating template, automation mechanized operation, accurate and simple and easy to do.
The specific embodiment
The manufacture method of tooth implant locating guiding template of the present invention comprises the steps:
(1) information data is obtained: to the scanning of patient's jawbone, obtain jawbone 3 D anatomy structure information with Philip64 slices spiral CT fault image machine;
(2) set up three-dimensional jawbone model: the jawbone three dimensional structure information of above-mentioned acquisition is imported in the CAD software, carry out three-dimensional reconstruction, set up three-dimensional jawbone model by the jawbone three dimensional structure information that is obtained;
(3) measure: according to described three-dimensional jawbone model, the host site of agomphosis is carried out the bone structure Measurement and analysis, the result who records is standby;
(4) tooth implant is implanted design: according to three-dimensional jawbone model and above-mentioned measurement result, choose similar corona form in edentulous region, and, determine size, the shape of implantation site, direction, the degree of depth and the tooth implant of tooth implant according to factors such as the jaw relation of stinging of edentulous region, adjacent long axis of tooth, the path of insertion of intending implantation body and anatomical structures.According to the size shape of tooth implant implantation site, direction, the degree of depth and the tooth implant determined, set up emulation tooth implant model and simulate plantation, observe the relation between emulation tooth implant and surrounding bone tissue and other anatomical structure.The three-dimensional jawbone model of above-mentioned foundation is made two-dimensional engineering graphic output.
(5) tooth implant locating guiding template entity prototype: preserve above-mentioned data and derive application photocureable rapid shaping fabrication techniques locating guiding template entity prototype.Described photocureable rapid shaping technology comprises successively: to the layering of above-mentioned three-dimensional jawbone model slice, according to slicing delamination generation numerical control code, generation entity prototype.
(6) template finishing: described locating guiding template entity prototype is carried out surface treatment, and surface treatment comprises step: edge modifications, polishing.
Claims (4)
1. the manufacture method of a tooth implant locating guiding template is characterized in that: comprise the steps:
(1) information data is obtained: with CT scan patient jawbone, obtain jawbone three dimensional structure information;
(2) set up three-dimensional jawbone model: the jawbone three dimensional structure information of above-mentioned acquisition is imported in the CAD software, carry out three-dimensional reconstruction, set up three-dimensional jawbone model by the jawbone three dimensional structure information that is obtained;
(3) measure: according to described three-dimensional jawbone model, the agomphosis host site is carried out the bone structure Measurement and analysis, it is standby to record the result;
(4) tooth implant is implanted design: according to three-dimensional jawbone model and above-mentioned measurement result, determine site, direction and the degree of depth of tooth implant implantation and the size shape of tooth implant in edentulous region;
(5) locating guiding template entity prototype: preserve above-mentioned data and derive application photocureable rapid shaping fabrication techniques locating guiding template entity prototype;
(6) described locating guiding template entity prototype is carried out surface treatment.
2. the manufacture method of tooth implant locating guiding template according to claim 1, it is characterized in that: after above-mentioned steps (4), according to the size shape of tooth plantation site, implantation direction and the tooth implant determined, set up emulation tooth implant model and simulate plantation.
3. the manufacture method of tooth implant locating guiding template according to claim 1 is characterized in that: after above-mentioned steps (4), the three-dimensional jawbone model of above-mentioned foundation is made two-dimensional engineering graphic output.
4. the manufacture method of tooth implant locating guiding template according to claim 1, it is characterized in that: the photocureable rapid shaping technology comprises successively described in the above-mentioned steps (5): to the layering of above-mentioned three-dimensional jawbone model slice, generate numerical control code, generate the entity prototype according to slicing delamination.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100431632A CN101239007A (en) | 2008-03-07 | 2008-03-07 | Method for preparing tooth implant locating guiding template |
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| CNA2008100431632A CN101239007A (en) | 2008-03-07 | 2008-03-07 | Method for preparing tooth implant locating guiding template |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342096B (en) * | 2008-09-04 | 2010-06-02 | 同济大学 | Method for manufacturing guide plate for growing positioning and orientating of dentisry |
| CN102232878A (en) * | 2011-05-20 | 2011-11-09 | 杭州六维齿科医疗技术有限公司 | Method for measuring maximum height operation space of digitalized tooth implanting surgery |
| CN102316821A (en) * | 2009-02-12 | 2012-01-11 | 斯特劳曼控股公司 | Determining position and orientation of a dental implant |
| CN101530349B (en) * | 2009-04-02 | 2012-02-29 | 上海交通大学 | Method for producing combination support type computer-assisted positioning and guiding die plate for oral cavity implanting |
| CN102626347A (en) * | 2012-04-26 | 2012-08-08 | 上海优益基医疗器械有限公司 | Method for manufacturing oral implant positioning guiding template based on CBCT data |
| CN103142319A (en) * | 2013-03-12 | 2013-06-12 | 得力富企业股份有限公司 | Method for producing tooth assisting component |
| CN103202729A (en) * | 2012-01-16 | 2013-07-17 | 王旭东 | Manufacturing method for individual maxilla osteotomy and repositioning navigation entities |
| CN103327926A (en) * | 2010-12-07 | 2013-09-25 | 西诺德牙科设备有限公司 | Method and system for designing and manufacturing custom dental preparation guides |
| CN103371874A (en) * | 2013-07-02 | 2013-10-30 | 庆达科技股份有限公司 | Manufacturing method for quick forming tooth implantation assist device |
| CN101836899B (en) * | 2009-03-17 | 2014-02-12 | 神农资讯股份有限公司 | System and method for manufacturing dental implant surgical template |
| CN104644276A (en) * | 2013-11-22 | 2015-05-27 | 无锡时代天使医疗器械科技有限公司 | Method for manufacturing teeth correcting equipment and teeth correcting equipment |
| CN107157601A (en) * | 2017-04-20 | 2017-09-15 | 深圳市合体钛导板设计开发有限公司 | Tooth stings control head guide plate and preparation method |
| CN108186141A (en) * | 2018-01-17 | 2018-06-22 | 牛懿锋 | The preparation method of one-part form implant heavy burden guide plate at once |
| CN110480793A (en) * | 2019-08-26 | 2019-11-22 | 四川大学 | A kind of production method and guide plate of digitlization porcelain powder layering heap modeling guide plate |
| WO2023040086A1 (en) * | 2021-09-14 | 2023-03-23 | 中国人民解放军空军军医大学 | Preparation guide plate and removable partial denture support model construction method and fabrication method |
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2008
- 2008-03-07 CN CNA2008100431632A patent/CN101239007A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342096B (en) * | 2008-09-04 | 2010-06-02 | 同济大学 | Method for manufacturing guide plate for growing positioning and orientating of dentisry |
| CN102316821A (en) * | 2009-02-12 | 2012-01-11 | 斯特劳曼控股公司 | Determining position and orientation of a dental implant |
| CN101836899B (en) * | 2009-03-17 | 2014-02-12 | 神农资讯股份有限公司 | System and method for manufacturing dental implant surgical template |
| CN101530349B (en) * | 2009-04-02 | 2012-02-29 | 上海交通大学 | Method for producing combination support type computer-assisted positioning and guiding die plate for oral cavity implanting |
| CN103327926A (en) * | 2010-12-07 | 2013-09-25 | 西诺德牙科设备有限公司 | Method and system for designing and manufacturing custom dental preparation guides |
| CN103327926B (en) * | 2010-12-07 | 2016-11-09 | 西诺德牙科设备有限公司 | Form the method and system of customization tooth preparation guiding piece |
| CN102232878B (en) * | 2011-05-20 | 2013-05-15 | 杭州六维齿科医疗技术有限公司 | Method for measuring maximum height operation space of digitalized tooth implanting surgery |
| CN102232878A (en) * | 2011-05-20 | 2011-11-09 | 杭州六维齿科医疗技术有限公司 | Method for measuring maximum height operation space of digitalized tooth implanting surgery |
| CN103202729A (en) * | 2012-01-16 | 2013-07-17 | 王旭东 | Manufacturing method for individual maxilla osteotomy and repositioning navigation entities |
| CN103202729B (en) * | 2012-01-16 | 2016-08-10 | 王旭东 | A kind of individuation upper jaw bone osteotomy and relocate the manufacture method of guide entity |
| CN102626347A (en) * | 2012-04-26 | 2012-08-08 | 上海优益基医疗器械有限公司 | Method for manufacturing oral implant positioning guiding template based on CBCT data |
| CN103142319A (en) * | 2013-03-12 | 2013-06-12 | 得力富企业股份有限公司 | Method for producing tooth assisting component |
| CN103371874A (en) * | 2013-07-02 | 2013-10-30 | 庆达科技股份有限公司 | Manufacturing method for quick forming tooth implantation assist device |
| CN104644276A (en) * | 2013-11-22 | 2015-05-27 | 无锡时代天使医疗器械科技有限公司 | Method for manufacturing teeth correcting equipment and teeth correcting equipment |
| CN104644276B (en) * | 2013-11-22 | 2020-01-10 | 无锡时代天使医疗器械科技有限公司 | Method of manufacturing a dental appliance and dental appliance |
| CN107157601A (en) * | 2017-04-20 | 2017-09-15 | 深圳市合体钛导板设计开发有限公司 | Tooth stings control head guide plate and preparation method |
| WO2018192063A1 (en) * | 2017-04-20 | 2018-10-25 | 深圳市合体钛导板设计开发有限公司 | Tooth occlusion control handpiece guide plate and manufacturing method therefor |
| CN108186141A (en) * | 2018-01-17 | 2018-06-22 | 牛懿锋 | The preparation method of one-part form implant heavy burden guide plate at once |
| CN110480793A (en) * | 2019-08-26 | 2019-11-22 | 四川大学 | A kind of production method and guide plate of digitlization porcelain powder layering heap modeling guide plate |
| CN110480793B (en) * | 2019-08-26 | 2020-03-20 | 四川大学 | Manufacturing method of digital ceramic powder layered plastic-stacking guide plate and guide plate |
| WO2023040086A1 (en) * | 2021-09-14 | 2023-03-23 | 中国人民解放军空军军医大学 | Preparation guide plate and removable partial denture support model construction method and fabrication method |
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Open date: 20080813 |