CN102988114A - Method for manufacturing home-made digital operation guide plate based on cone beam computed tomography (CT) data - Google Patents
Method for manufacturing home-made digital operation guide plate based on cone beam computed tomography (CT) data Download PDFInfo
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- CN102988114A CN102988114A CN2011102781030A CN201110278103A CN102988114A CN 102988114 A CN102988114 A CN 102988114A CN 2011102781030 A CN2011102781030 A CN 2011102781030A CN 201110278103 A CN201110278103 A CN 201110278103A CN 102988114 A CN102988114 A CN 102988114A
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Abstract
本发明公开了一种通过使用锥束CT进行二次扫描，利用计算机三维建模与手术模拟软件设计制作数字化手术定位导板的方法。通过软件拟合配准，将成像较为清晰的上下颌牙列的石膏模型数据替换颅颌骨中的牙列数据，结合手术模拟移动骨块，设计制作满足临床使用的手术导板。该法具有制备过程简便，仪器设备简单，制作成本较低，导板精密度较高等优点，得到的导板可以满足口腔正颌外科手术使用要求。The invention discloses a method for designing and manufacturing a digital surgical positioning guide plate by using a cone-beam CT for secondary scanning and using computer three-dimensional modeling and surgical simulation software. Through software fitting and registration, the gypsum model data of the upper and lower jaw dentition with relatively clear imaging is replaced with the dentition data in the cranial and maxillary bone, and combined with surgical simulation to move bone blocks, a surgical guide plate that meets clinical use is designed and manufactured. The method has the advantages of simple preparation process, simple equipment, low production cost, high guide plate precision, etc., and the obtained guide plate can meet the requirements of orthognathic surgery.
Description
Technical field
The present invention relates to a kind of computer software design of using and make the method that guide plate is used in operation.Especially, relate to a kind ofly based on Cone-Beam CT (CBCT) data, utilize the Computerized three-dimensional modeling software to design and produce oral surgery with the method for guide plate.
Background technology
Different from the operation of other tissue of body and organ, the oromaxillo-facial region operation especially relates to up and down operation and the tooth-planting art of jaw relation, has particularity and complexity aspect the location, mainly relies on tooth position, denture relation to determine.In operation on oral cavity, free bone piece is fixed by the position that it is good that positioning guide plate moves to Design.The positioning guide plate that generally uses clinically is to be made by traditional model surgery, easily bring larger error in the manufacturing process into, occlusal surfaces of teeth form definition is not enough, and the dental base acrylic resin liquid of use can discharge penetrating odor, and the plaster model in the model surgery is unfavorable for preserving simultaneously.Along with the development of computer and in the continuous exploration of clinical practice, digital medical arises at the historic moment in recent years, and Design of digital is made positioning guide plate and also constantly studied, and external producing of existing finished product guide plate and related software.At present there is Belgian Materialise company in known guide plate manufacturing company, but makes consuming time more for a long time, and expense is higher.Finding a kind of method to manufacture and design the higher location of operation guide plate of precision with low-cost digital, is that present digital medical is able to the comprehensively smooth key of using in oral surgery.
Summary of the invention
The object of the present invention is to provide a kind of simple and efficient digitized manufacture method of oral surgery guide plate of high precision.
The objective of the invention is to be achieved through the following technical solutions: a kind of method of making based on the domestic digitized surgical guide of CBCT data, it is characterized in that, may further comprise the steps:
(1) selects to form the less ceramic bracket of pseudo-shadow, stick in patient's labial teeth district and bicuspid district.
(2) delivery in patient's mouth, super hard gypsum is filled with mould; The plaster model of patient and denture thereof is done CBCT scanning, obtain data.
(3) threedimensional model of use 3 d modeling software reconstruction patients cranium jawbone and plaster model; Use the jawbone in the three-dimensional surgical simulation software simulation operation to move, move it to the position of operation plan design; Use three-dimensional match registration software, the cranium jawbone after the movement and plaster model are made match registration between model.
(4) use the boolean in the software to subtract instrument, between the upper mandibular dentition after the match, import the data block of a dental arch form, subtract the tool making surgical guide by boolean; Directly make hypostazation location of operation guide plate by rapid forming equipment afterwards.
The present invention has following technique effect, not only can well satisfy in the operation the pinpoint requirement of jawbone with location of operation guide plate provided by the invention; While does not need to change in trying in patient's mouth and adjusting and reforming substantially, can be in place smoothly; And whole data acquisition only needs equipment of Cone-Beam CT, has greatly reduced cost of manufacture, has enlarged the scope of application.Satisfied the requirement of making the location of operation guide plate with low cost, high efficiency, high accuracy.
The specific embodiment
By the match registration to two threedimensional models, with the imaging of tooth volume morphing comparatively clearly plaster model substitute the relatively poor denture data of imaging in the cranium jawbone model, thereby can obtain simultaneously clearly facing and comparatively complete cranium jawbone.In view of metal bracket more serious pseudo-shadow of meeting generation in cone-beam CT scan of routine, so the present invention selects to hinder, and penetrating property is good, the few ceramic bracket of the pseudo-shadow of formation.
Characteristics of the present invention are with several three-dimensional operation modeling softwares, adopt the Cone-Beam CT rescan to obtain data, match registration by two data, in computer, design and produce digitized location of operation guide plate, and use the rapid forming equipment hypostazation to make, thereby find a kind of manufacture method of digitized surgical guide of easy operating of low-cost and high-precision.The below describes embodiments of the invention in detail.
Embodiment 1
Wear X, the man, 24 years old, the main suit: chin was taken back more than 5 years.Training checks: mandible body left-right asymmetry, the left avertence 10-11mm of soft tissue chin section, mandibular dentition center line left avertence 5-6mm, molar relation left side II class, right side III class.The open-type left avertence, the opening degree normal, bilateral remporomandibular joint snap is without pain.The equal angle of mandibular bone.Be diagnosed as the lower jaw hyperevolutism, Jaw deformity.
The metal bracket in the upper lower jaw bilateral labial teeth district of patient and bicuspid district is replaced with the monocrystal ceramic bracket, produce the super hard gypsum model of mandibular dentition, patient and plaster model are made respectively cone-beam CT scan, its result imports computer with the DICOM file; Use Surgicase CMF5.0 (Materialise, Belgium) software to carry out the three-dimensional reconstruction of image, the design capable bilateral sagittal split ramus osteotomy of mandibular bone and sham operated move mandibular bone, and mobile scheme is: lower jaw retreats 1mm; Sagittal plane, mandibular anterior teeth rotate up 5.18 °; Coronalplane, backteeth district, lower jaw right side rotates up 1.45 °; Horizontal plane, lower jaw is to 7 ° of right rotations; Upper lower jaw plaster model 3 d image data after upper mandibular bone after the movement and the reconstruction is derived with the stl file form; Use Mimics 10.0 (Materialise, Belgium) software imports above-mentioned stl file, and carry out the match registration of the upper lower jaw 3-D view of patient and plaster model image, the lower jaw plaster model is to the postoperative position of operation designing in the movement, and the upper lower jaw plaster model three-dimensional data after will moving derives with the stl file form; Use Rhinoceros 4.0 (Robert McNeel﹠amp; Assoc, the U.S.) software imports the stl file of upper lower jaw plaster model, between two models, imports the Blank data block of a dental arch form, use boolean to subtract instrument and in this Blank data block, remove lower jaw occlusal surfaces of teeth morphological data, thereby produce the digitized surgical guide; Use the direct hypostazation of the rapid forming equipment location of operation guide plate that completes.
Above-described embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (4)
1. a method of making based on the domestic digitized surgical guide of Cone-Beam CT data is characterized in that, may further comprise the steps: (1) pastes ceramic bracket.(2) delivery in patient's mouth, super hard gypsum is filled with mould, and the plaster model of patient and denture thereof is made cone-beam CT scan, obtains data.(3) use the computer software three-dimensional modeling, sham operated moves and will move after cranium jawbone and plaster model make the match registration.(4) use the boolean in the software to subtract tool making digitized surgical guide, and directly be made with rapid forming equipment.
2. preparation method according to claim 1 is characterized in that: patient's cranium jawbone and plaster model are made rescan, by software match registration, obtain simultaneously accurate cranium jawbone position and tooth body facing image clearly.
3. preparation method according to claim 1 is characterized in that: all view data all use cone-beam CT scan to obtain.
4. preparation method according to claim 1 is characterized in that: reduce the pseudo-shadow that forms because of bracket with ceramic bracket, thereby increase image definition.
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| CN2011102781030A CN102988114A (en) | 2011-09-15 | 2011-09-15 | Method for manufacturing home-made digital operation guide plate based on cone beam computed tomography (CT) data |
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| CN2011102781030A CN102988114A (en) | 2011-09-15 | 2011-09-15 | Method for manufacturing home-made digital operation guide plate based on cone beam computed tomography (CT) data |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323865A (en) * | 2014-10-13 | 2015-02-04 | 首都医科大学附属北京口腔医院 | Guide plate for implantation of orthodontic micro-screw and manufacturing method thereof |
| CN105342708A (en) * | 2015-12-14 | 2016-02-24 | 四川大学 | CT (computerized tomography) and CBCT (cone beam computerized tomography) fusion data based digital occlusion guide plate and reconstruction method thereof |
| CN105976668A (en) * | 2016-07-04 | 2016-09-28 | 苏州迪凯尔医疗科技有限公司 | Training method for simulating tooth implantation |
| CN117332704A (en) * | 2023-12-01 | 2024-01-02 | 福建医科大学附属第一医院 | A method and terminal for temporomandibular joint cavity flushing and injection guide generation |
| CN117796936A (en) * | 2024-03-01 | 2024-04-02 | 四川大学 | Manufacturing method of serial repositioning biting plates guided by full-digital technology |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323865A (en) * | 2014-10-13 | 2015-02-04 | 首都医科大学附属北京口腔医院 | Guide plate for implantation of orthodontic micro-screw and manufacturing method thereof |
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| CN105342708A (en) * | 2015-12-14 | 2016-02-24 | 四川大学 | CT (computerized tomography) and CBCT (cone beam computerized tomography) fusion data based digital occlusion guide plate and reconstruction method thereof |
| CN105342708B (en) * | 2015-12-14 | 2017-10-24 | 四川大学 | Digitlization bite guide and its method for reconstructing based on CT and CBCT fused datas |
| CN105976668A (en) * | 2016-07-04 | 2016-09-28 | 苏州迪凯尔医疗科技有限公司 | Training method for simulating tooth implantation |
| CN117332704A (en) * | 2023-12-01 | 2024-01-02 | 福建医科大学附属第一医院 | A method and terminal for temporomandibular joint cavity flushing and injection guide generation |
| CN117332704B (en) * | 2023-12-01 | 2024-05-28 | 福建医科大学附属第一医院 | A method and terminal for generating a guide plate for flushing and injection of a temporomandibular joint cavity |
| CN117796936A (en) * | 2024-03-01 | 2024-04-02 | 四川大学 | Manufacturing method of serial repositioning biting plates guided by full-digital technology |
| CN117796936B (en) * | 2024-03-01 | 2024-04-30 | 四川大学 | A method for making a series of repositioning bite plates guided by full digital technology |
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Application publication date: 20130327 |