CN110353722A - For obtaining the method for wearing the scan image of metal restoration - Google Patents
For obtaining the method for wearing the scan image of metal restoration Download PDFInfo
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- CN110353722A CN110353722A CN201910646364.XA CN201910646364A CN110353722A CN 110353722 A CN110353722 A CN 110353722A CN 201910646364 A CN201910646364 A CN 201910646364A CN 110353722 A CN110353722 A CN 110353722A
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- rendering
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/46—Arrangements for interfacing with the operator or the patient
- A61B6/461—Displaying means of special interest
- A61B6/466—Displaying means of special interest adapted to display 3D data
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
- A61B6/512—Intraoral means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
- A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
- A61B6/5241—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT combining overlapping images of the same imaging modality, e.g. by stitching
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- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Radiology & Medical Imaging (AREA)
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- Public Health (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
A method of for obtaining the scan image for wearing metal restoration, it include: the fixed mold set for fitting in the second target site shape at the metal restoration at first object position, corresponding on the outside of metal restoration for mold set is provided with the first telltale mark point, obtains first 3D rendering at first object position；The second 3D rendering with the second telltale mark point for corresponding to the second target site shape is obtained using mold set；It is overlapped the first telltale mark point with the second telltale mark point, after the second target site area image of the first 3D rendering is updated to the second 3D rendering, removes the 3D rendering at acquisition first object position after the mold set of the first 3D rendering and the image of telltale mark point.Using image alignment Shift Method, metal restoration and its diffraction image are correctly replaced, to obtain the 3D rendering at first object position under conditions of not taking out the metal restoration for influencing scan image image quality.
Description
Technical field
The present invention relates to ray scans to obtain image technique field, and in particular to one kind wears metal restoration for obtaining
Scan image method.
Background technique
The wavelength of X-ray is shorter, and about 20~0.06 angstroms, diffraction phenomena can be occurred by being irradiated on the crystal such as iron.Make
When obtaining medical image with X-ray, the position for needing to obtain medical image must exist without metal object, there are metal object,
It needs to take out in time before obtaining image.But the metal at certain positions is not easy to take out, or there is still a need for peaces in situ after taking out
Dress, for example, certain metal restorations of dentistry are not easy to take out.How to be repaired in the metal for not taking out influence scan image image quality
The problem of preferable scan image image quality is a kind of urgent need to resolve is obtained under conditions of complex.
Summary of the invention
The technical problem to be solved by the present invention is to how not take out the item for influencing the metal restoration of scan image image quality
Preferable scan image image quality is obtained under part, for this purpose, the present invention provide it is a kind of for obtaining the scan image for wearing metal restoration
Method.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
It designs a kind of for obtaining the method for wearing the scan image of metal restoration, comprising:
The step of obtaining first 3D rendering at first object position, before the first 3D rendering for obtaining first object position,
The fixed mold set for fitting in the second target site shape at the metal restoration of first object position image quality is influenced, in institute
State mold set correspond to the metal restoration on the outside of be provided with the first telltale mark point, in first 3D rendering,
The first telltale mark point can be different from the metal restoration, and the mold set can be different from the first object portion
Position；
The step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set is schemed in the 2nd 3D
It is the second telltale mark point corresponding to development at the first telltale mark point of mold set as in；
The step of obtaining the 3D rendering at the first object position is overlapped the first telltale mark point with the second telltale mark point,
After second target site area image of the first 3D rendering is updated to the second 3D rendering, remove the first 3D rendering mold set and
The 3D rendering at first object position is obtained after the image of telltale mark point.
Preferably, the mold set includes the second target site stamp, and the second target site stamp is equipped with positioning
Index aperture.
Further, the locator markers of solid-state or gel state are equipped in the telltale mark hole.
Further, the step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set
In, in Xiang Suoshu the second target site stamp perfusion can cured fluent material obtained after the fluent material is cured as entity
Obtain the second 3D rendering with the second telltale mark point of the entity；In the 3D rendering for obtaining the first object position
The step of in, be overlapped the first telltale mark point with the second telltale mark point, by the second target site region of the first 3D rendering
After image update is the second 3D rendering, first is obtained after removing the mold set of first 3D rendering and the image of telltale mark point
The 3D rendering of target site.
Further, the step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set
In, in Xiang Suoshu the second target site stamp perfusion can cured fluent material obtained after the fluent material is cured as entity
Obtain the third 3D rendering with the second telltale mark point of the mold set and entity；Obtaining the first object position
3D rendering the step of in, be overlapped the first telltale mark point with the second telltale mark point, by the second target of the first 3D rendering
After area image update is after third 3D rendering, removes the mold set of first 3D rendering and the image of telltale mark point
Obtain the 3D rendering at first object position.
Preferably, the step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set
In, the 3D shape of the mold set is obtained, image procossing is carried out to the 3D shape of mold set, to obtain the positioning mark of band second
Remember the second 3D rendering of point；In the step of obtaining the 3D rendering at the first object position, make the first telltale mark point and the
2 telltale mark points are overlapped, and after the second target site area image of the first 3D rendering is updated to the second 3D rendering, remove institute
State mold set and telltale mark point image after obtain first object position 3D rendering.
Compared with prior art, the beneficial effects of the present invention are: using image alignment Shift Method, by metal restoration and its
Diffraction image is correctly replaced, to obtain first under conditions of not taking out the metal restoration for influencing scan image image quality
The 3D rendering of target site.
Specific embodiment
Illustrate a specific embodiment of the invention below with reference to embodiment, but following embodiment is used only to be described in detail
The present invention does not limit the scope of the invention in any way.
In lower embodiment, first object position is the required position for obtaining 3D rendering, and first object includes in position
There is metal restoration, alternatively, first object position is neighbouring there are metal restoration, which influences first object position
3D image obtain.Such as the gum image in dentistry.Second target site is metal restoration and acquisition first object portion
The region that the metal restoration diffraction image influences when the 3D rendering of position, in general, in dentistry, the diffraction image of metal prostheses
The region of influence is about in the region metal prostheses foreign side 10mm.
Embodiment 1: a method of for obtaining the scan image for wearing metal restoration, comprising:
The step of obtaining first 3D rendering at first object position by the methods of X-ray or CT scan is obtaining first object
Before first 3D rendering at position, fixation fits in the second target site shape at the metal restoration at first object position
Mold set (refers to metal restoration and obtains the 3D figure at first object position in the outside corresponding to metal restoration of mold set
As when the region that influences of the metal restoration diffraction image except) be provided with the first telltale mark point, in the first 3D rendering, the
One positioning mark point can be different from metal restoration, and mold set can be different from first object position；Wherein, mold set packet
The second target site stamp is included, the second target site stamp can be made by silastic material；It as needed, can be in stamp
Corresponding position opens up telltale mark hole, and the locator markers of solid-state or gel state can also be equipped in telltale mark hole.
The step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set, in the second 3D rendering
In, it is the second telltale mark point corresponding to development at the first telltale mark point of mold set；Since the inner wall of mold set corresponds to
In the second target site shape, the second telltale mark point can be set at the first telltale mark point that mold covers, then used
Spatial digitizer directly acquires the 3D rendering of mold set, and the shape of the internal chamber wall of the 3D rendering of mold set also then corresponds to the second mesh
Mark the shape at position；In image processing software, the 3D rendering of mold set is handled, so that embedding in the 3D rendering of mold set
Conjunction has the second 3D rendering；
The step of obtaining the 3D rendering at first object position determines the first telltale mark point and second in image processing software
Position mark point is overlapped, and after the second target site area image of the first 3D rendering is updated to the second 3D rendering, removes mold set
And telltale mark point (according to the first telltale mark point, the second telltale mark point there are situations to remove corresponding telltale mark point)
The 3D rendering at first object position is obtained afterwards.
Embodiment 2: a method of for obtaining the scan image for wearing metal restoration, comprising:
The step of obtaining first 3D rendering at first object position, before the first 3D rendering for obtaining first object position,
The fixed mold set for fitting in the second target site shape at the metal restoration at first object position, in pair of mold set
The first telltale mark point is provided on the outside of metal restoration described in Ying Yu, in first 3D rendering, first positioning
Mark point can be different from the metal restoration, and the mold set can be different from the first object position；Wherein, mold
Set includes the second target site stamp, and the second target site stamp can be made by silastic material；
The step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set, it is right in the second 3D rendering
It should development be the second telltale mark point at the first telltale mark point that mold covers；Specifically, into the second target site stamp
Perfusion can cured fluent material, after fluent material is cured as entity, obtain the with the second telltale mark point of entity
Two 3D renderings；
The step of obtaining the 3D rendering at the first object position is overlapped the first telltale mark point with the second telltale mark point,
After second target site area image of the first 3D rendering is updated to the second 3D rendering, remove the first 3D rendering mold set and
The 3D rendering at first object position is obtained after the image of telltale mark point.
Embodiment 3: a method of for obtaining the scan image for wearing metal restoration, comprising:
The step of obtaining first 3D rendering at first object position, before the first 3D rendering for obtaining first object position,
The fixed mold set for fitting in the second target site shape at the metal restoration at first object position, in corresponding to for mold set
The first telltale mark point is provided on the outside of metal restoration, in the first 3D rendering, the first telltale mark point can be different from
Metal restoration, mold set can be different from the first object position；Wherein, mold set includes the second target site stamp,
Second target site stamp can be made by silastic material；
The step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set, in second 3D rendering
In, it is the second telltale mark point corresponding to development at the first telltale mark point of mold set；To the second target site stamp
Middle perfusion can cured fluent material, after fluent material is cured as entity, obtain mold set and entity with second positioning
The third 3D rendering of mark point, wherein third 3D rendering includes the 3D rendering of mold set and the second 3D rendering of entity, and second
3D rendering is embedded among the 3D rendering of mold set.
The step of obtaining the 3D rendering at first object position, is overlapped the first telltale mark point with the second telltale mark point,
After second target site area image of the first 3D rendering is updated to third 3D rendering, remove the first 3D rendering mold set and
The 3D rendering at first object position is obtained after the image of telltale mark point.
Embodiment 4: the method for being previously described for obtaining the scan image for wearing metal restoration, which can be applied, is obtaining gum
3D rendering on, specific implementation process includes:
(1) stamp in mouth is produced with silastic material；
(2) with 1.5mm round bur the inner wall of stamp and correspond to far from tooth 2mm or more mucous membrane at drill out telltale mark hole,
Telltale mark hole selects blind hole, and to avoid damage mucous membrane, telltale mark hole is preferably there are three more than, to define metal restoration
Left side, right side and the position of inside three；
(3) since in obtaining 3D rendering, telltale mark hole can inherently form the first telltale mark point, so, according to need
It wants, injects dentistry stir-in resin or gutta-percha in telltale mark hole to form the first position mark point.Using stir-in resin or tooth
The first telltale mark point that glue is formed more easily discriminates.
(4) stamp with the first position mark point is fixed on gum, shoots first object position using CT equipment
The first 3D rendering, will include the first telltale mark point in the first 3D rendering；
(5) it removes stamp and removes the first telltale mark point that stir-in resin or gutta-percha are formed, gypsum fluid is perfused into stamp,
Entity is formed after the solidification of gypsum fluid, the second 3D rendering for having salient point, salient point are obtained using spatial digitizer scanning entity
It is exactly the second telltale mark point, or scanning simultaneously obtains third 3D rendering embedded with the stamp of entity, at third 3D rendering
The second 3D rendering with salient point for corresponding to entity is obtained after reason；
(6) in image processing software, after being overlapped the first telltale mark point with the second telltale mark point, by the first 3D rendering
Second target site is updated to the second 3D rendering.
The present invention is described in detail above in conjunction with embodiment, still, person of ordinary skill in the field can
Understand, without departing from the purpose of the present invention, each design parameter in above-described embodiment can also be changed, shape
At multiple specific embodiments, it is common variation range of the invention, is no longer described in detail one by one herein.
Claims (6)
1. a kind of for obtaining the method for wearing the scan image of metal restoration characterized by comprising
The step of obtaining first 3D rendering at first object position, before the first 3D rendering for obtaining first object position,
The fixed mold set for fitting in the second target site shape at the metal restoration of first object position image quality is influenced, in institute
State mold set correspond to the metal restoration on the outside of be provided with the first telltale mark point, in first 3D rendering,
The first telltale mark point can be different from the metal restoration, and the mold set can be different from the first object portion
Position；
The step of obtaining the second 3D rendering for corresponding to the second target site shape using mold set is schemed in the 2nd 3D
It is the second telltale mark point corresponding to development at the first telltale mark point of mold set as in；
The step of obtaining the 3D rendering at the first object position is overlapped the first telltale mark point with the second telltale mark point,
After second target site area image of the first 3D rendering is updated to the second 3D rendering, remove the first 3D rendering mold set and
The 3D rendering at first object position is obtained after the image of telltale mark point.
2. the method as described in claim 1 for obtaining the scan image for wearing metal restoration, which is characterized in that the mould
Tool set includes the second target site stamp, and the second target site stamp is equipped with telltale mark hole.
3. the method as claimed in claim 2 for obtaining the scan image for wearing metal restoration, which is characterized in that described
The locator markers of solid-state or gel state are equipped in telltale mark hole.
4. the method as claimed in claim 2 for obtaining the scan image for wearing metal restoration, which is characterized in that utilizing
In the step of mold set obtains the second 3D rendering for corresponding to the second target site shape, the second target site of Xiang Suoshu print
In mould perfusion can cured fluent material, after the fluent material is cured as entity, obtain the entity with described the
Second 3D rendering of 2 telltale mark points；In the step of obtaining the 3D rendering at the first object position, make the first positioning mark
Note point is overlapped with the second telltale mark point, and the second target site area image of the first 3D rendering is updated to the second 3D rendering
Afterwards, the 3D rendering that first object position is obtained after the mold set of first 3D rendering and the image of telltale mark point is removed.
5. the method as claimed in claim 2 for obtaining the scan image for wearing metal restoration, which is characterized in that utilizing
In the step of mold set obtains the second 3D rendering for corresponding to the second target site shape, the second target site of Xiang Suoshu print
In mould perfusion can cured fluent material, after the fluent material is cured as entity, obtain the band of mold set and entity
There is the third 3D rendering of the second telltale mark point；In the step of obtaining the 3D rendering at the first object position, make the
One positioning mark point is overlapped with the second telltale mark point, and the second target site area image of the first 3D rendering is updated to third
After 3D rendering, the 3D figure at acquisition first object position after the mold set of first 3D rendering and the image of telltale mark point is removed
Picture.
6. the method as described in claim 1 for obtaining the scan image for wearing metal restoration, which is characterized in that utilizing
In the step of mold set obtains the second 3D rendering for corresponding to the second target site shape, the 3D shape of the mold set is obtained
Shape carries out image procossing to the 3D shape of mold set, to obtain the second 3D rendering of band the second telltale mark point；It is obtaining
In the step of 3D rendering at the first object position, it is overlapped the first telltale mark point with the second telltale mark point, by first
After second target site area image of 3D rendering is updated to the second 3D rendering, the figure of the mold set and telltale mark point is removed
The 3D rendering at first object position is obtained as after.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910646364.XA CN110353722A (en) | 2019-07-17 | 2019-07-17 | For obtaining the method for wearing the scan image of metal restoration |
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| CN201910646364.XA CN110353722A (en) | 2019-07-17 | 2019-07-17 | For obtaining the method for wearing the scan image of metal restoration |
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| WO2019003452A1 (en) * | 2017-06-26 | 2019-01-03 | 浩明 清水 | Ct imaging reference marker, three-dimensional tomogram creation method, matching method, and system therefor |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050084144A1 (en) * | 2002-01-16 | 2005-04-21 | Andrei Feldman | Oral implant template |
| US7574025B2 (en) * | 2002-01-16 | 2009-08-11 | I-Dent Imaging, Inc. | Oral implant template |
| US20090316966A1 (en) * | 2008-05-16 | 2009-12-24 | Geodigm Corporation | Method and apparatus for combining 3D dental scans with other 3D data sets |
| US20120230567A1 (en) * | 2011-02-03 | 2012-09-13 | Greenberg Surgical Technologies, Llc | Removable handle scan body for impression trays and radiographic templates for integrated optical and ct scanning |
| CN103648396A (en) * | 2011-05-04 | 2014-03-19 | 李泰炅 | Marker for image information registration |
| WO2019003452A1 (en) * | 2017-06-26 | 2019-01-03 | 浩明 清水 | Ct imaging reference marker, three-dimensional tomogram creation method, matching method, and system therefor |
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