CN106419951B - Matching transfer device for facial digital three-dimensional image and maxillofacial digital three-dimensional image - Google Patents
Matching transfer device for facial digital three-dimensional image and maxillofacial digital three-dimensional image Download PDFInfo
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- 238000012546 transfer Methods 0.000 title claims abstract description 57
- 230000001815 facial effect Effects 0.000 title claims abstract description 30
- 210000004513 dentition Anatomy 0.000 claims abstract description 72
- 230000036346 tooth eruption Effects 0.000 claims abstract description 72
- 238000003384 imaging method Methods 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 abstract description 9
- 238000011282 treatment Methods 0.000 abstract description 6
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 210000002050 maxilla Anatomy 0.000 abstract description 3
- 230000036544 posture Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 210000000214 mouth Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000001061 forehead Anatomy 0.000 description 2
- 210000001847 jaw Anatomy 0.000 description 2
- 230000003239 periodontal effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 230000002996 emotional effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000004220 muscle function Effects 0.000 description 1
- 230000001144 postural effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 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
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Abstract
The invention discloses a transfer device for matching facial digital three-dimensional images with maxilla dentition digital three-dimensional images, which comprises a tray and an imaging plate, wherein the tray is composed of a tray body and a tray handle connected with the tray body into a whole, the imaging plate is composed of 5 rectangular plates and a connecting column, one rectangular plate is a median plane, the other 4 rectangular plates are respectively positioned at the periphery of the median plane at least 15 degrees to form an upper inclined plane, a lower inclined plane, a left inclined plane and a right inclined plane, the connecting column is positioned in the rear middle of the median plane and is provided with a slot matched with the tray handle, or the imaging plate is a plate body which is wavy along the horizontal or vertical direction, the rear middle of the plate body is provided with the connecting column, and the connecting column is provided with a slot matched with the tray handle. The transfer device provided by the invention has the advantages that one imaging plate can be matched with tray bodies with personalized dentition shapes of different patients for use, the clinical operation is simple, the repeated use is facilitated, the diagnosis and treatment efficiency can be improved, the material can be saved, and the medical cost can be reduced.
Description
Technical Field
The invention belongs to the technical field of oral auxiliary medical instruments, and particularly relates to a transfer device for matching a facial digital three-dimensional image with a maxilla digital three-dimensional image.
Background
The digital three-dimensional image acquisition device is developed vigorously in the field of oral medical treatment, and the image matching method of the craniomaxillofacial part becomes a new opportunity for the development in the field. In the traditional method, an electronic computed tomography three-dimensional reconstruction model is used as an image matching medium of a facial three-dimensional image and a maxillary dentition three-dimensional image, but the method has large radiation dose in the process of obtaining the tomography three-dimensional reconstruction model, and is not beneficial to human health if the tomography three-dimensional reconstruction model is checked for many times. There is also a report that the matching of the three-dimensional facial image and the three-dimensional dentition image can be assisted by collecting the three-dimensional facial image when the tooth surface is exposed, but the color and luster of the tooth surface are reflected and are difficult to be accurately identified by a three-dimensional facial image collecting device, so that the accuracy and reliability of the final matching are influenced.
To solve the problems caused by the reflection of the color of the tooth surface, eneko Solaberrieta, phD, assier Garmendia, phD, rikardo Minguez, phD, aritza Brizuela, phD, and AndGuillamo Pradies, phD "Virtual faceboard technology" discloses a facial arch transfer fork, which is composed of a semicircular maxillary dentition tray, an intermediate connector, and an imaging plate, and in use, a impression material is coated in the semicircular maxillary dentition tray, and then the maxillary dentition tray coated with the impression material is placed at the maxillary dentition of the patient, and the imaging plate is placed outside the mouth of the patient, and at this time, the three-dimensional spatial relationship between the dentition of the patient and the imaging plate is recorded by a facial three-dimensional camera, and then facial images are acquired, and the three-dimensional facial images are matched by using the three-dimensional spatial relationship between the dentition and the imaging plate. Although such a facebow transfer fork can be used for matching a three-dimensional facial image with a three-dimensional maxillary dentition image to position the three-dimensional maxillary dentition image relative to the three-dimensional facial image, the following disadvantages exist: 1) The imaging plate is too simple in shape, too few in surface and line for identifying matching, and not beneficial to accuracy of later-stage image matching; 2) Because the tray part of the facebow transfer fork is fixedly connected with the imaging plate into a whole, the same imaging plate can not be used by replacing different trays according to the individuation of dentition forms of different patients, so that the material waste and the medical cost increase are caused; 3) Because the tray part of the face bow transfer fork is fixedly connected with the imaging plate into a whole, the size is large, and the dental three-dimensional model scanner is not beneficial to acquiring images.
Disclosure of Invention
The invention aims to provide a matching transfer device of a facial digital three-dimensional image and a maxillary dentition digital three-dimensional image aiming at the defects of the prior art, so as to accurately record the three-dimensional space relation between the facial digital three-dimensional image and the maxillary dentition digital three-dimensional image, increase the reusability of the device, reduce the medical cost, be beneficial to acquiring images by using the existing dental digital three-dimensional model scanner and improve the practicability of the device.
The invention provides a matching transfer device for a facial digital three-dimensional image and a maxillary dentition digital three-dimensional image, which comprises a tray and an imaging plate, wherein the tray consists of a tray body and a tray handle connected with the tray body into a whole, the tray body is a semicircular inwards concave tray body matched with a maxillary dentition of a patient, and the tray handle is positioned in the middle of the outer side of the semicircular tray wall; the imaging plate is composed of 5 rectangular plates and a connecting column, wherein one rectangular plate is used as a median plane, the rest 4 rectangular plates are respectively positioned around the median plane by taking the horizontal plane of the median plane as a reference and forming included angles of at least 15 degrees in the same direction to form an upper inclined plane, a lower inclined plane, a left inclined plane and a right inclined plane, the connecting column is positioned in the rear middle of the median plane and connected with the same into a whole, a slot matched with the tray handle is formed in the connecting column, or the imaging plate is a plate body which is wavy in the horizontal direction or the vertical direction, the connecting column connected with the same is further arranged in the rear middle of the plate body, and a slot matched with the tray handle is formed in the connecting column.
The included angles between the upper inclined plane, the lower inclined plane, the left inclined plane and the right inclined plane of the imaging plate in the upper transfer device and the median plane are 15-45 degrees.
The outer surface of the imaging plate in the above transfer device is coated with black matte circular marks.
The outer surface of the imaging plate in the above transfer device is also coated with red, green and blue three-primary-color marks.
The slots formed in the connecting columns in the upper transfer device are rectangular or oval.
In the transfer device, the outer surfaces of the tray body and the tray handle are provided with bulges.
The invention relates to a use method of a transfer device for matching a facial digital three-dimensional image with a maxilla dentition digital three-dimensional image, which comprises the following steps:
(1) Digital three-dimensional model of matching transfer device for screening maxillary dentition size suitable for patient
In different matching transfer device digital three-dimensional model groups corresponding to different types of trays, screening matching transfer device digital three-dimensional models suitable for the sizes of the maxillary dentitions of patients according to the types of trays required by the sizes of the maxillary dentitions of the patients;
(2) Installation tray and imaging plate
Selecting a tray suitable for the size of the maxillary dentition of the patient, connecting the tray with an imaging plate to form a matched transfer device, coating an impression material in the tray, arranging the tray part coated with the impression material in the maxillary dentition of the patient, leaving the imaging plate part outside the oral cavity, and forming a maxillary dentition impression on the side, coated with the impression material, of the maxillary dentition of the patient in the tray;
(3) Establishing a digital three-dimensional model of a face provided with a matching transfer device
Putting the thumbs of the two hands of the patient into the oral cavity to press the bottom of the tray in the step (2) so that the tray is fixed on the maxillary dentition, and then carrying out image acquisition on the face of the front of the patient through a face three-dimensional image acquisition device to form a face digital three-dimensional model provided with a matching transfer device;
(4) Establishing a face digital three-dimensional model of a taking-out matching transfer device
After the face of the patient is shot in the step (3), taking out the matching transfer device in the oral cavity of the patient, cleaning the residual impression material in the oral cavity and the face, and then carrying out image acquisition on the face three-dimensional images of different facial gestures such as cusp dislocation, postural smile, emotional smile, jaw position, muscle function position and the like of the face on the front of the patient by using the face three-dimensional image acquisition device to obtain a face digital three-dimensional model (taking cusp dislocation as an example);
(5) Establishing digital three-dimensional model of tray containing maxillary dentition
Scanning the tray part with the maxillary dentition imprints in the matching transfer device taken out in the step (4) by using a dental three-dimensional model scanner to form a tray digital three-dimensional model containing the maxillary dentition;
(6) Establishing digital three-dimensional model of maxillary dentition transfer device
In the three-dimensional graphic processing software, taking the whole tray as an alignment object, aligning the digital three-dimensional model of the tray containing the maxillary dentition in the step (5) to the position of the corresponding tray transfer device three-dimensional model of the tray in the step (1) by taking the bulges arranged on the outer surfaces of the tray body and the tray handle as reference, and combining to form the digital three-dimensional model of the maxillary dentition transfer device;
(7) Establishing a digital three-dimensional model of the upper jaw dentition transfer device face
Aligning the digital three-dimensional model of the maxillary dentition transfer device in the step (6) to the position of the digital three-dimensional model of the maxillary dentition transfer device in the step (3) by taking the imaging plate part of the digital three-dimensional model of the facial part of the maxillary dentition transfer device in the step (3) as an alignment object, and combining to form the digital three-dimensional model of the facial part of the maxillary dentition transfer device;
(8) Establishing digital three-dimensional model of maxillary dentition face during cusp dislocation
And (4) taking out the face digital three-dimensional model of the matching transfer device in the step (4) and taking the forehead part of the face of the maxillary dentition transfer device in the step (7) as an alignment object, removing the rest parts except the maxillary dentition in the face digital three-dimensional model of the maxillary dentition transfer device to obtain the position of the maxillary dentition in the face three-dimensional image when the dental cusps are crossed and dislocated, and thus establishing the maxillary dentition face digital three-dimensional model.
(9) Establishing digital three-dimensional model of maxillary dentition face in different facial postures
And (4) replacing the face part in the digital three-dimensional model of the maxillary dentition face in the step (8) when the dental apices are staggered with the face three-dimensional model in the step (4) in different postures by using a mode of aligning the forehead of the face to obtain the digital three-dimensional model of the maxillary dentition face in different facial postures.
(10) Establishing a digital three-dimensional model of the maxillary dentition face in different postures of orthognathic, orthodontic, repairing, implanting and periodontal faces
And (3) performing three-dimensional virtual orthognathic, orthodontic, repairing, implanting and periodontal operations on the maxillary dentition part of the digitized three-dimensional model of the maxillary dentition face in the step (9) by using three-dimensional software to form a virtually operated maxillary dentition three-dimensional model, replacing the virtually operated maxillary dentition three-dimensional model with the maxillary dentition part in the digitized three-dimensional model of the maxillary dentition face in the step (9) to obtain different virtually operated digitized three-dimensional models of the maxillary dentition face, and replacing the maxillary dentition part in the digitized three-dimensional model of the maxillary dentition face in different facial postures with the different virtually operated maxillary dentition three-dimensional models to obtain the virtually operated digitalized three-dimensional model of the maxillary dentition face in different postures of the face.
Compared with the prior art, the invention has the following beneficial effects:
(1) Because the tray body in the transfer device provided by the invention can be movably connected with the projection slot designed at the rear part of the imaging plate in a matching way by the tray handle connected with the tray body into a whole, one imaging plate can be matched with tray bodies with personalized dentition shapes of different patients for use, the clinical operation is simple, the repeated use is facilitated, the diagnosis and treatment efficiency can be improved, the material can be saved, and the medical cost can be reduced.
(2) Because the imaging plate in the transfer device provided by the invention is designed to form a plurality of inclined surfaces or wavy curved surfaces, more surfaces and lines are used for identifying matching, so that the accuracy and reliability of later-stage image matching can be improved, and a foundation guarantee is provided for the later-stage diagnosis and treatment effect.
(3) Because the outer surface of the imaging plate in the transfer device provided by the invention is also coated with the black matte circular mark and the three-primary-color marks of red, green and blue, more symbols for identification and matching are arranged among scanned images, thereby being beneficial to matching of the image shapes and calibrating and adjusting the image colors.
(4) Because the outer surfaces of the tray body and the tray handle in the transfer device are also provided with the bulges, the digital three-dimensional model of the tray containing the maxillary dentition can be accurately aligned with the three-dimensional model of the tray transfer device.
(5) Because the tray part and the imaging plate are movably connected in the transfer device provided by the invention, in clinical operation, the volume can be reduced only by taking down the tray part, so that the space requirement on the three-dimensional model scanner is reduced, the dental three-dimensional model scanner with smaller space is favorable for acquiring images, and the application range of the transfer device is wider.
(6) By adopting the transfer device provided by the invention, not only can digital three-dimensional models of the maxillary dentition face in different postures be obtained, so that the cranium, the jaw, the occlusal surface and the facial surface of a patient can be comprehensively and accurately diagnosed, but also the digital three-dimensional models of the maxillary dentition face after different virtual treatments can be obtained by matching the use method of the transfer device, so that the visual accurate simulation of the treatment can be further performed, and the obtained digital three-dimensional models of the maxillary dentition face in different facial postures after the virtual treatment can more comprehensively evaluate possible treatment effects.
Drawings
Fig. 1 is a schematic perspective view of a transfer device for matching a facial digital three-dimensional image with a maxillary dental digital three-dimensional image according to the present invention;
FIG. 2 is a schematic perspective view of the tray of FIG. 1;
FIG. 3 is a schematic perspective view of the imaging plate of FIG. 1;
FIG. 4 is a schematic perspective view of the back side of the imaging plate of FIG. 1;
FIG. 5 is a schematic perspective view of another imaging plate according to the present invention;
fig. 6 is a schematic perspective view of a third imaging plate according to the present invention.
In the figure, 1-tray, 1-tray body, 1-2-tray handle, 1-3-bulge, 2-imaging plate, 2-1-imaging plate middle surface, 2-imaging plate upper inclined surface, 2-3-imaging plate lower inclined surface, 2-4-imaging plate left inclined surface, 2-5-imaging plate right inclined surface, 3-black matte circular mark, 4-red, green and blue three-primary color mark, 5-connecting column and 6-slot.
Detailed Description
The transfer device for matching the digitized three-dimensional image of the face with the digitized three-dimensional image of the maxillary dental column and the use thereof according to the present invention will be further described by embodiments. It should be noted that the following examples are not to be construed as limiting the scope of the present invention, and that the skilled person in the art may make various non-essential combinations and modifications of the present invention based on the above-described disclosure.
Example 1
As shown in fig. 1, the present embodiment provides a transfer device for image matching of a three-dimensional image of a face and a three-dimensional image of a maxillary dentition, which includes a tray 1 and an imaging plate 2.
The tray comprises a tray body 1-1 and a tray handle 1-2 connected with the tray body into a whole, wherein the tray body 1-1 is a semicircular inwards concave tray body matched with the maxillary dentition of a patient, the tray handle 1-2 is rectangular and is positioned in the middle of the outer side of the semicircular tray wall, and bulges 1-3 are arranged on the outer surfaces of the tray handle and the tray body, as shown in figure 2. The imaging plate 2 is composed of 5 rectangular plates and a connecting column 5, one rectangular plate is used as a median plane 2-1, the other 4 rectangular plates are respectively positioned around the median plane in the same direction and at an included angle of 15 degrees by taking the horizontal plane of the median plane as a reference, an upper inclined plane 2-2, a lower inclined plane 2-3, a left inclined plane 2-4 and a right inclined plane 2-5 are formed, black matte circular marks 3 are coated on the outer surfaces, and the middle parts of the outer surfaces of the median plane, the upper inclined plane and the lower inclined plane are also coated with three primary color marks 4 of red, green and blue, as shown in figure 3; the connecting column 5 is located at the rear middle part of the median plane and is connected with the median plane into a whole, a slot 6 matched with the tray handle is arranged on the connecting column 5, the slot 6 arranged on the connecting column 5 is rectangular in the embodiment, and the figure 4 shows.
Example 2
The present embodiment is different from embodiment 1 in that: the upper inclined plane 2-2, the lower inclined plane 2-3, the left inclined plane 2-4 and the right inclined plane 2-5 of the imaging plate are respectively positioned around the median plane 2-1 in an included angle of 45 degrees in the same direction by taking the horizontal plane of the median plane 2-1 as a reference, and the rest structures are completely the same as the embodiment 1, so that the description is omitted.
Example 3
The present embodiment is different from embodiment 1 in that: 1) The upper inclined plane 2-2, the lower inclined plane 2-3, the left inclined plane 2-4 and the right inclined plane 2-5 of the imaging plate respectively form 30-degree included angles in the same direction by taking the horizontal plane of the median plane 2-1 as a reference and are positioned around the median plane 2-1; 2) The tray handle 1-2 is oval, and the slot 6 on the connecting column 5 is oval matched with the tray handle 1-2. The rest of the structure is completely the same as that of embodiment 1, and therefore, the description thereof is omitted.
Example 4
The transfer device for matching the facial three-dimensional image with the maxillary dentition three-dimensional image provided by the embodiment comprises a tray 1 and an imaging plate 2. The tray comprises a tray body 1-1 and a tray handle 1-2 connected with the tray body into a whole, wherein the tray body 1-1 is a semicircular inwards concave tray body matched with the maxillary dentition of a patient, the tray handle 1-2 is rectangular and is positioned in the middle of the outer side of the semicircular tray wall, and bulges 1-3 are arranged on the outer surfaces of the tray handle and the tray body, as shown in figure 2. The imaging plate 2 is a plate body which is waved along the vertical direction, two sides of the outer surface of the imaging plate are coated with black matte round marks 3, and the middle part of the imaging plate is also coated with three primary color marks 4 of red, green and blue; a connecting column 5 which is connected into a whole is arranged in the middle of the rear part of the plate body, see fig. 5, a slot 6 which is matched with the tray handle is arranged on the connecting column 5, and the slot 6 arranged on the connecting column 5 is rectangular in the embodiment.
Example 5
The present embodiment also provides a transfer device for matching a facial three-dimensional image with a maxillary dentition three-dimensional image, which includes a tray 1 and an imaging plate 2, but the present embodiment is different from embodiment 4 in that: 1) The imaging plate 2 is a plate body which is waved along the horizontal direction, two sides of the outer surface of the imaging plate are coated with black matte round marks 3, and the middle part of the imaging plate is coated with three primary color marks 4 of red, green and blue; a connecting column 5 which is connected into a whole is arranged in the middle of the rear part of the plate body, as shown in figure 6; 2) The tray handle 1-2 is oval, and the slot 6 on the connecting column 5 is oval matched with the tray handle 1-2. Since the rest of the structure is completely the same as that of embodiment 4, the description thereof is omitted.
Claims (6)
1. A matching transfer device for a digital three-dimensional image of a face and a digital three-dimensional image of a maxillary dentition comprises a tray (1) and an imaging plate (2), wherein the tray (1) is composed of a tray body (1-1) and a tray handle (1-2) connected with the tray body into a whole, the tray body (1-1) is a semicircular inwards concave tray body matched with the maxillary dentition of a patient, and the tray handle (1-2) is positioned in the middle of the outer side of the semicircular tray wall and is characterized in that the imaging plate (2) is composed of 5 rectangular plates and a connecting column (5), wherein 1 rectangular plate is used as a central plane (2-1), the rest 4 rectangular plates are respectively positioned around the central plane in the same direction and form at least 15-degree included angles by taking the horizontal plane of the central plane (2-1) as a reference, an upper inclined plane (2-2), a lower inclined plane (2-3), a left inclined plane (2-4) and a right inclined plane (2-5), the connecting column (5) is positioned at the rear part of the central plane (2-1) of the tray and is connected with the central plane (5) into a whole, and an upper slot (6) is arranged on the connecting column.
2. The matching transfer device of the digitized three-dimensional image of the face and the digitized three-dimensional image of the maxillary dentition as claimed in claim 1 wherein the angle between the upper inclined plane (2-2), the lower inclined plane (2-3), the left inclined plane (2-4) and the right inclined plane (2-5) of the imaging plate (2) and the median plane (2-1) is 15 ° -45 °.
3. The matching transfer device of the digitized three-dimensional image of the face and the digitized three-dimensional image of the maxillary dental column according to claim 1 or 2, characterized in that the transfer device is provided with black matte circular marks (3) on the outer surface of the imaging plate (2).
4. The device for matching and transferring a digitized three-dimensional image of a face with a digitized three-dimensional image of a maxillary dentition according to any one of claims 1 to 3, wherein the outer surface of the imaging plate (2) in the device is further coated with three primary color marks (4) of red, green and blue.
5. The apparatus for matching and transferring digitized three-dimensional facial image and digitized three-dimensional maxillary dental image of any one of claims 1 to 4, wherein the slot (6) formed on the connecting column (5) is rectangular or oval.
6. The matching transfer device of the digitized three-dimensional image of the face and the digitized three-dimensional image of the maxillary dental column as claimed in claim 1, 2 or 5, wherein the transfer device is provided with a plurality of protrusions (1-3) on the outer surfaces of the tray body (1-1) and the tray handle (1-2).
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| CN201610854269.5A CN106419951B (en) | 2016-09-27 | 2016-09-27 | Matching transfer device for facial digital three-dimensional image and maxillofacial digital three-dimensional image |
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| CN201610854269.5A CN106419951B (en) | 2016-09-27 | 2016-09-27 | Matching transfer device for facial digital three-dimensional image and maxillofacial digital three-dimensional image |
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| CN110613475A (en) * | 2019-10-25 | 2019-12-27 | 四川大学 | Foreign body positioning tool in deep jaw face and using method thereof |
| CN111513680B (en) * | 2020-04-30 | 2021-08-03 | 四川大学 | Intraoral scanner |
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