CN109276332B - Oral cavity model manufacturing method and system - Google Patents
Oral cavity model manufacturing method and system Download PDFInfo
- Publication number
- CN109276332B CN109276332B CN201811061864.9A CN201811061864A CN109276332B CN 109276332 B CN109276332 B CN 109276332B CN 201811061864 A CN201811061864 A CN 201811061864A CN 109276332 B CN109276332 B CN 109276332B
- Authority
- CN
- China
- Prior art keywords
- dimensional data
- image
- patient
- oral cavity
- substitute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
- G06T2219/20—Indexing scheme for editing of 3D models
- G06T2219/2008—Assembling, disassembling
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Architecture (AREA)
- Computer Hardware Design (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides an oral cavity model manufacturing method and system. The method comprises the following steps: assembling the transfer rod on the implant; wrapping and arranging a silicon rubber impression at the periphery of the gum, and fixedly arranging a transfer rod on the silicon rubber impression; taking down the silicon rubber impression provided with the transfer rod; assembling a substitute body on a transfer rod on the silicon rubber impression; scanning the silicon rubber impression and the substitute to obtain image capturing data; respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data; synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model; and 3D printing is carried out according to the three-dimensional data image of the oral cavity model through 3D printing equipment to obtain the oral cavity model. The system comprises a transfer rod, an implant, a silicone rubber impression, a surrogate, a 3D scanner, a base station, a central station, and a 3D printing device. The invention ensures the accuracy of the oral cavity model to a certain extent and can reduce the implementation cost.
Description
Technical Field
The invention relates to the technical field of dental implants, in particular to a method and a system for manufacturing an oral cavity model.
Background
In the process of implementing the dental implant operation, an oral cavity model of a patient needs to be established, and then components such as an abutment, a dental crown and the like are manufactured in a personalized mode based on the oral cavity model to prepare for the subsequent dental implant operation. Generally, in order to ensure that the oral cavity model can accurately reflect the actual conditions of the oral cavity of the patient, the most accurate method is to perform digital model taking, wherein the digital model taking is specifically to mount a scanning rod on an implant of the oral cavity of the patient, scan the scanning rod through an intraoral scanner to acquire three-dimensional data in the oral cavity of the patient, and then convert the three-dimensional data in the oral cavity of the patient into a real object to establish the oral cavity model.
Although the accuracy of the oral cavity model is guaranteed in such a mode, the price of one intraoral scanner is hundreds of thousands in general, so that a plurality of dental clinics cannot bear the price, and the implementation cost is too high.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for manufacturing an oral cavity model, which can ensure the accuracy of the oral cavity model to a certain extent and reduce the implementation cost, in view of the above-mentioned defects of the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an oral cavity model manufacturing method comprises the following steps:
s1, assembling a transfer rod on an implant in the oral cavity of a patient;
s2, wrapping and arranging a silicon rubber impression at the periphery of the gum of the patient, and fixedly arranging a transfer rod on the silicon rubber impression;
s3, taking down the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient;
s4, assembling a substitute on a transfer rod on the silicon rubber stamp;
s5, scanning the silicon rubber impression and the substitute by a 3D scanner to obtain image capture data;
s6, respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data;
s7, synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and S8, 3D printing is carried out through 3D printing equipment according to the three-dimensional data image of the oral cavity model, and the oral cavity model is obtained.
Compared with the prior art, the beneficial effects of the technical scheme are that: after the dentist obtains the silicon rubber impression, the substitute body is assembled on the transfer rod on the silicon rubber impression, then the mechanic carries out scanning and image taking on the silicon rubber impression and the substitute body, thereby obtaining a three-dimensional data image of the oral cavity model, and then the oral cavity model is obtained through 3D printing. In the process, the oral cavity model is not established directly through the silicon rubber impression, so that the accuracy of the oral cavity model is ensured to a certain extent; in addition, the scanning work is carried out by a technician, and the dental clinic does not need to be provided with an intraoral scanner, so that the implementation cost is reduced.
Furthermore, a through hole is formed in the transfer rod, and internal thread holes are formed in the implant and the substitute;
in the step S1, the step of fitting the transfer lever to the implant in the oral cavity of the patient includes:
the screw rod penetrates through the through hole in the transfer rod and is fastened on the internal thread hole in the implant, and the transfer rod is assembled on the implant in the oral cavity of the patient;
correspondingly, in step S3, removing the silicone rubber stamp fixedly provided with the transfer bar specifically includes:
after a screw rod fastened on an internal thread hole on the implant is unscrewed, the silicon rubber impression fixedly provided with the transfer rod is taken down;
in step S4, the assembling of the substitute on the transfer bar on the silicone rubber stamp specifically includes:
the surrogate is assembled to the transfer rod on the silicone rubber stamp by passing a screw through a through hole in the transfer rod and tightening the screw onto an internally threaded hole in the surrogate.
The beneficial effect who adopts above-mentioned scheme is: after the screw rod is arranged in the through hole in the transfer rod in a penetrating mode, the screw rod is in threaded connection with the internal thread hole in the implant or the internal thread hole in the substitute, so that the transfer rod can be assembled on the implant in the oral cavity of a patient, and the silicone rubber impression can be taken down together with the transfer rod when the silicone rubber impression is taken down from the oral cavity of the patient.
Further, in the step S2, after the silicone rubber impression is created on the gum of the patient, a concave part with the same shape as the gum of the patient is formed in the silicone rubber impression;
the substitute in the step S4 is provided with status feature points for scanning;
correspondingly, in step S5, scanning the silicone rubber impression and the substitute by the 3D scanner to obtain image capture data specifically includes:
scanning the sunken part of the silicone rubber impression by a 3D scanner to obtain image data of the gum of the patient;
and scanning the state characteristic points on the substitute body through a 3D scanner to obtain the image data of the substitute body.
The beneficial effect who adopts above-mentioned scheme is: the image capture data of the gum is obtained by scanning the concave part which is formed in the silicon rubber impression and has the same shape with the gum of the patient, and the image capture precision is improved.
Further, in step S6, the acquiring the three-dimensional data image of the gum of the patient and the three-dimensional data image of the surrogate respectively according to the captured image data specifically includes:
acquiring a three-dimensional data image of the gum of the patient according to the image data of the gum of the patient;
and acquiring a three-dimensional data image of the substitute according to the image data of the substitute.
The beneficial effect who adopts above-mentioned scheme is: the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute are obtained in a one-to-one correspondence mode according to the image capturing data of the silicone rubber impression and the image capturing data of the substitute respectively, and the conditions of the gum in the oral cavity of the patient and the conditions of the implant are reproduced completely.
Further, in step S7, the synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute to obtain the three-dimensional data image of the oral cavity model specifically includes:
and superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
The beneficial effect who adopts above-mentioned scheme is: the three-dimensional data image of the oral cavity of the patient consists of two parts of data, namely, the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body, wherein the two parts of data are respectively used as a whole in the acquisition process, and are superposed after the acquisition is finished to obtain the three-dimensional data image of the oral cavity of the patient, so that a foundation is provided for improving the accuracy of the oral cavity model.
An oral model fabrication system, comprising:
a transfer lever detachably fitted to an implant in an oral cavity of a patient;
the transfer rod is fixedly arranged on the silicone rubber impression;
the substitute body is used for taking the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient and then assembling the silicon rubber impression on the transfer rod on the silicon rubber impression;
the 3D scanner is used for scanning the silicon rubber impression and the substitute to obtain image capture data;
the base station is connected with the 3D scanner and is used for respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body according to the image data;
the central station is connected with the base station, and the base station is used for synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and the 3D printing equipment is connected with the central station, and the 3D printing equipment is used for performing 3D printing according to the three-dimensional data image of the oral cavity model to obtain the oral cavity model.
Furthermore, a through hole is formed in the transfer rod, and internal thread holes are formed in the implant and the substitute;
a screw rod penetrates through the through hole of the transfer rod and is in threaded connection with the internal thread hole in the implant, or the screw rod is in threaded connection with the internal thread hole in the substitute.
Furthermore, a concave part with the same shape of the patient gingiva is formed in the silicon rubber impression, and a state characteristic point for scanning is arranged on the substitute;
the 3D scanner includes:
the first image capturing module is used for scanning the sunken part of the silicone rubber impression by a 3D scanner to obtain image capturing data of the gum of the patient;
and the second image capturing module is used for scanning the state characteristic points on the substitute body through the 3D scanner to obtain image capturing data of the substitute body.
Further, the base station includes:
the first image acquisition module is used for acquiring a three-dimensional data image of the gum of the patient according to the image acquisition data of the gum of the patient;
and the second image acquisition module is used for acquiring a three-dimensional data image of the substitute body according to the image acquisition data of the substitute body.
Further, the central station comprises:
and the image synthesis module is used for superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the reference of the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
Drawings
FIG. 1 is a flow chart of a method of making an oral cavity model of the present invention.
FIG. 2 is a schematic view of an oral model creation system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, fig. 1 is a flow chart of a method of making an oral cavity model of the present invention; FIG. 2 is a schematic view of an oral model creation system of the present invention.
In the invention, the implant is a part of the dental implant, the bottom end of the implant is embedded in an intraoral bone, the top end of the implant is used for installing a false tooth, and the false tooth is combined with the implant to form a complete implant structure; the transfer rod is a part used in the process of the silicon rubber impression, is arranged on the implant before the silicon rubber impression is made, determines the direction and the site of the implant, takes out the silicon rubber impression from the oral cavity of a patient, and then installs the substitute on the transfer rod, namely, the direction and the site of the corresponding implant can be reduced through the substitute; the substitute is used for being arranged on the transfer rod after the silicon rubber impression is taken out from the oral cavity of the patient so as to replace the implant. In the invention, the substitute body is also provided with state characteristic points, and the information such as the position, the angle, the depth and the like of the corresponding implant can be reflected by the scanning of the 3D scanner.
As shown in fig. 1, a method for manufacturing an oral cavity model includes the following steps:
s1, assembling a transfer rod on an implant in the oral cavity of a patient. An internally threaded hole for installing a prosthetic appliance is reserved in the upper portion of the implant, and the transfer rod is assembled to the implant through the internally threaded hole in the implant in preparation for assembling the substitute body to the transfer rod in step S4. One transfer rod corresponds to one implant, and if a patient has one implant in the oral cavity, the transfer rod is assembled on the implant, and if a plurality of implants in the oral cavity of the patient exist, the transfer rods are respectively assembled on the plurality of implants.
S2, wrapping and arranging a silicon rubber impression at the periphery of the gum of the patient, and fixedly arranging the transfer rod on the silicon rubber impression. After the transfer rod is assembled on the implant, a silicone rubber impression needs to be established on the periphery of the gum of the patient through silicone rubber. In the technical scheme, the silicon rubber impression has two functions, namely reflecting the shape, size and the like of the gum of a patient and fixing the transfer rod. At this time, the relationship of the transfer rod with the silicone rubber impression is similar to the relationship of the reinforcing steel bar with the cement in the building structure, the transfer rod is disposed in the silicone rubber impression, and the outer periphery of the transfer rod is fixed by the silicone rubber impression.
And S3, taking down the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient. The transfer rod has been fitted to the implant in step S1, and it is necessary to detach the transfer rod from the implant and take the silicone impression out of the patient' S mouth in step S3, at which time the transfer rod is taken out together with the silicone impression due to being fixed in the silicone impression.
And S4, assembling a substitute on the transfer rod on the silicon rubber stamp. After the silicone rubber impression is taken out of the patient' S mouth, the implant is not taken out together with the silicone rubber impression, and the substitute is used to be mounted on the silicone rubber impression in place of the implant in preparation for the scanning in step S5.
And S5, scanning the silicon rubber impression and the substitute by using a 3D scanner to obtain image data. Scanning the silicon rubber impression and taking an image of the substitute by a 3D scanner, wherein the silicon rubber impression is taken and the substitute is taken; correspondingly, the image data is divided into two parts, namely image data of the gum of the patient and image data of the surrogate.
And S6, respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body according to the image data. And processing the image data to obtain a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body. Specifically, after the image data is subjected to processing such as format conversion and noise reduction, a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute can be obtained. Wherein, the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body are two independent data.
And S7, synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain the three-dimensional data image of the oral cavity model. The two mutually independent three-dimensional data images are synthesized to obtain the three-dimensional data image of the oral cavity of the patient, and the three-dimensional data image of the oral cavity of the patient truly reflects the internal condition of the oral cavity of the patient.
And S8, 3D printing is carried out through 3D printing equipment according to the three-dimensional data image of the oral cavity model, and the oral cavity model is obtained. It should be noted that 3D printing by a 3D printing apparatus is a prior art, and the present invention is not limited to the specific embodiment thereof.
In practicing the present invention, steps S1, S2, and S3 may be performed at a dental clinic, while steps S4, S5, S6, S7, and S8 are performed by a mechanic. Through the mode, a dentist in a dental clinic only needs to put the silicon rubber into the oral cavity of a patient and attach the silicon rubber to the gum of the patient, and the silicon rubber is taken down after being fixed and formed, so that the operation is simple and easy to realize, and the common dental clinic which is not provided with an intraoral scanner can be easily implemented. The error caused by filling gypsum is avoided, and the precision of the oral cavity model is ensured to a certain extent. Meanwhile, the scanning operation is performed by a technician, and an intraoral scanner does not need to be arranged in a dental clinic, so that the implementation cost is reduced.
In step S1, the transfer rod needs to be fitted on the implant; in step S3, it is necessary to detach the transfer rod from the implant and remove the silicone rubber impression, in which the transfer rod is fixedly disposed, from the oral cavity of the patient; in step S4, it is necessary to mount a substitute on the transfer lever. Therefore, the transfer rod and the implant and the transfer rod and the substitute are detachably connected in the process.
Preferably, the transfer rod is provided with a through hole, and the implant and the substitute are both provided with internal thread holes. The detachable connection between the transfer rod and the implant and between the transfer rod and the substitute body is realized by a threaded connection.
Correspondingly, the steps of the invention are specifically as follows:
the screw rod penetrates through the through hole in the transfer rod and is fastened on the internal thread hole in the implant, and the transfer rod is assembled on the implant in the oral cavity of the patient;
wrapping and arranging a silicon rubber impression at the periphery of the gum of the patient, and fixedly arranging a transfer rod on the silicon rubber impression;
after a screw rod fastened on an internal thread hole on the implant is unscrewed, the silicone rubber impression fixedly provided with the transfer rod is taken down from the oral cavity of the patient;
assembling the substitute body on the transfer rod on the silicon rubber impression by passing a screw through a through hole on the transfer rod and tightening the screw on an internal thread hole on the substitute body;
scanning the silicon rubber impression and the substitute by a 3D scanner to obtain image capture data;
respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data;
synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and 3D printing is carried out according to the three-dimensional data image of the oral cavity model through 3D printing equipment to obtain the oral cavity model.
Through such a mode, not only can assemble the transfer rod on the planting body, can also conveniently take off the transfer rod from the planting body, and then for the assembly substitute on the transfer rod provides convenience.
After the silicon rubber impression is built on the gum of the patient, a concave part with the same shape as the gum of the patient is formed in the silicon rubber impression, and a three-dimensional data image of the gum of the patient is obtained by scanning the concave part. In addition, a state feature point for scanning is provided on the surrogate body, and a three-dimensional data image of the surrogate body is acquired by scanning the state feature point provided on the surrogate body.
Correspondingly, the steps of the invention are specifically as follows:
fitting a transfer rod to an implant in the patient's mouth;
wrapping a silicon rubber impression at the periphery of the gum of the patient, forming a concave part with the same shape as the gum of the patient in the silicon rubber impression, and fixedly arranging a transfer rod on the silicon rubber impression;
taking down the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient;
assembling a substitute body on a transfer rod on a silicon rubber stamp, wherein the substitute body is provided with a state characteristic point for scanning;
scanning the sunken part of the silicone rubber impression by a 3D scanner to obtain image capturing data of the gum of the patient, and scanning state characteristic points on the substitute by the 3D scanner to obtain image capturing data of the substitute;
respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data of the gum of the patient and the image data of the substitute;
synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and 3D printing is carried out according to the three-dimensional data image of the oral cavity model through 3D printing equipment to obtain the oral cavity model.
After the dentist assembles the transfer rod on the implant in the oral cavity of the patient, a silicone rubber impression is wrapped and arranged on the periphery of the gum of the patient, a concave part with the same shape as the gum of the patient is formed on the silicone rubber immediately, the transfer rod is fixedly arranged on the silicone rubber impression, and the silicone rubber impression fixedly provided with the transfer rod is taken down from the oral cavity of the patient after the silicone rubber impression is shaped.
In the prior art, after the silicone rubber impression with the transfer rod fixedly arranged thereon is taken down, the recess of the silicone rubber impression is usually filled with gypsum, the shape of the gypsum is the oral cavity model, and the oral cavity model is obtained by matching the silicone rubber impression with the gypsum. During the process of filling the recess with gypsum, the silicone rubber impression is easily deformed, thereby resulting in a great loss of accuracy of the finally obtained oral cavity model.
In the invention, after the silicone rubber impression fixedly provided with the transfer rod is taken down, the silicone rubber impression is transferred to a laboratory technician, the substitute body is assembled on the transfer rod on the silicone rubber impression, the 3D scanner is used for scanning the sunken part on the silicone rubber impression to obtain the image capturing data of the gum of the patient, the 3D scanner is used for scanning the state characteristic point on the substitute body to obtain the image capturing data of the substitute body, and further, the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body are respectively obtained according to the image capturing data. Through such mode, saved the process of filling the gypsum in the depressed part, but obtain the data of getting for instance of patient's gum through the depressed part on the direct scanning silicon rubber die, can avoid the silicon rubber die to warp, greatly improve oral cavity model's precision.
Correspondingly, respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data specifically comprises: acquiring a three-dimensional data image of the gum of the patient according to the image data of the gum of the patient; and acquiring a three-dimensional data image of the substitute according to the image data of the substitute.
The substitute body is fixedly assembled on a transfer rod on the silicon rubber impression, a three-dimensional data image of the substitute body is obtained after a 3D scanner scans the state characteristic points on the substitute body, and information such as the position, the angle, the depth and the like of the corresponding implant can be obtained in software by combining the three-dimensional data image of the gum of a patient, and the part is the prior art. The 3D scanner acquires the three-dimensional data image of the substitute body by scanning the state characteristic points, and the information such as the position, the angle, the depth and the like of each corresponding implant can be acquired by the three-dimensional data image of the substitute body. There are various ways for the 3D scanner to capture images of the silicone rubber impression and the surrogate to acquire three-dimensional data images of the patient's gums and three-dimensional data images of the surrogate, and the present invention is not limited thereto.
Preferably, in step S7, the synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute to obtain the three-dimensional data image of the oral cavity model specifically includes: and superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
The three-dimensional data image of the oral cavity model consists of two parts of data, namely a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body. In the acquisition process, the two parts of data are respectively taken as two independent bodies, and after the acquisition is finished, the three-dimensional data image of the substitute body is superposed on the three-dimensional data image of the gum of the patient according to the reference of the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model. Because the implant is arranged on the alveolar bone in the gum, the three-dimensional data image of the substitute body opposite to the implant is superposed on the three-dimensional data image of the gum of the patient according to the reference of the three-dimensional data image of the gum of the patient in the synthesizing process, so that the three-dimensional data image of the oral cavity model of the patient can be obtained, and the precision of the oral cavity model can be further ensured.
Correspondingly, as shown in fig. 2, an oral cavity model making system comprises:
a transfer lever detachably fitted to an implant in an oral cavity of a patient;
the transfer rod is fixedly arranged on the silicone rubber impression;
the substitute body is used for taking the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient and then assembling the silicon rubber impression on the transfer rod on the silicon rubber impression;
the 3D scanner 1 is used for scanning the silicon rubber impression and the substitute to obtain image capturing data;
the base station 2 is connected with the 3D scanner 1, and the base station 2 is used for respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body according to the image data;
the central station 3 is connected with the base station 2, and the base station 2 is used for synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and the 3D printing equipment 4 is connected with the central station 3, and the 3D printing equipment 4 is used for performing 3D printing according to the three-dimensional data image of the oral cavity model to obtain the oral cavity model.
In particular, the base station 2 and the central station 3 may be software operating platforms based on computer systems.
The inventive concept and technical effect in the above system technical solution have been recorded in the corresponding method technical solution, and are not described herein again.
Preferably, the transfer rod is provided with a through hole, and the implant and the substitute are both provided with internal thread holes;
a screw rod penetrates through the through hole of the transfer rod and is in threaded connection with the internal thread hole in the implant, or the screw rod is in threaded connection with the internal thread hole in the substitute.
The inventive concept and technical effect in the above system technical solution have been recorded in the corresponding method technical solution, and are not described herein again.
Preferably, a concave part with the same shape as the patient gingiva is formed in the silicone rubber impression, and a state characteristic point for scanning is arranged on the substitute;
the 3D scanner 1 includes:
the first image capturing module is used for scanning the sunken part of the silicone rubber impression by the 3D scanner 1 to obtain image capturing data of the gum of the patient;
and the second image capturing module is used for scanning the state characteristic points on the substitute body through the 3D scanner 1 to obtain image capturing data of the substitute body.
The inventive concept and technical effect in the above system technical solution have been recorded in the corresponding method technical solution, and are not described herein again.
Preferably, the base station 2 includes:
the first image acquisition module is used for acquiring a three-dimensional data image of the gum of the patient according to the image acquisition data of the gum of the patient;
and the second image acquisition module is used for acquiring a three-dimensional data image of the substitute body according to the image acquisition data of the substitute body.
Preferably, said central station 3 comprises:
and the image synthesis module is used for superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the reference of the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
The inventive concept and technical effect in the above system technical solution have been recorded in the corresponding method technical solution, and are not described herein again.
In summary, the present invention provides a method and system for making an oral cavity model. The method comprises the following steps: assembling the transfer rod on the implant; wrapping and arranging a silicon rubber impression at the periphery of the gum, and fixedly arranging a transfer rod on the silicon rubber impression; taking down the silicon rubber impression provided with the transfer rod; assembling a substitute body on a transfer rod on the silicon rubber impression; scanning the silicon rubber impression and the substitute to obtain image capturing data; respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data; synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model; and 3D printing is carried out according to the three-dimensional data image of the oral cavity model through 3D printing equipment to obtain the oral cavity model. The system comprises a transfer rod, an implant, a silicone rubber impression, a surrogate, a 3D scanner, a base station, a central station, and a 3D printing device. The invention ensures the accuracy of the oral cavity model to a certain extent and can reduce the implementation cost.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. An oral cavity model manufacturing method is characterized by comprising the following steps:
s1, assembling a transfer rod on an implant in the oral cavity of a patient;
s2, wrapping and arranging a silicon rubber impression at the periphery of the gum of the patient, and fixedly arranging a transfer rod on the silicon rubber impression;
s3, taking down the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient;
s4, assembling a substitute on a transfer rod on the silicon rubber stamp;
s5, scanning the silicon rubber impression and the substitute by a 3D scanner to obtain image capture data;
s6, respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute according to the image data;
s7, synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and S8, 3D printing is carried out through 3D printing equipment according to the three-dimensional data image of the oral cavity model, and the oral cavity model is obtained.
2. The method of claim 1, wherein the transfer bar is provided with a through hole, and the implant and the substitute are provided with internal threaded holes;
in the step S1, the step of fitting the transfer lever to the implant in the oral cavity of the patient includes:
the screw rod penetrates through the through hole in the transfer rod and is fastened on the internal thread hole in the implant, and the transfer rod is assembled on the implant in the oral cavity of the patient;
correspondingly, in step S3, removing the silicone rubber stamp fixedly provided with the transfer bar specifically includes:
after a screw rod fastened on an internal thread hole on the implant is unscrewed, the silicon rubber impression fixedly provided with the transfer rod is taken down;
in step S4, the assembling of the substitute on the transfer bar on the silicone rubber stamp specifically includes:
the surrogate is assembled to the transfer rod on the silicone rubber stamp by passing a screw through a through hole in the transfer rod and tightening the screw onto an internally threaded hole in the surrogate.
3. The method for making an oral cavity model according to claim 1, wherein in step S2, after the silicone rubber impression is created on the patient 'S gum, the silicone rubber impression forms a depression having the same shape as the patient' S gum;
the substitute in the step S4 is provided with status feature points for scanning;
correspondingly, in step S5, scanning the silicone rubber impression and the substitute by the 3D scanner to obtain image capture data specifically includes:
scanning the sunken part of the silicone rubber impression by a 3D scanner to obtain image data of the gum of the patient;
and scanning the state characteristic points on the substitute body through a 3D scanner to obtain the image data of the substitute body.
4. The method for making an oral cavity model according to claim 3, wherein in step S6, the step of obtaining the three-dimensional data image of the gum and the three-dimensional data image of the surrogate respectively according to the captured image data includes:
acquiring a three-dimensional data image of the gum of the patient according to the image data of the gum of the patient;
and acquiring a three-dimensional data image of the substitute according to the image data of the substitute.
5. The method for making an oral cavity model according to claim 1 or 4, wherein the step S7 of synthesizing the three-dimensional data image of the patient' S gum and the three-dimensional data image of the surrogate to obtain the three-dimensional data image of the oral cavity model specifically comprises:
and superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
6. An oral model fabrication system, comprising:
a transfer lever detachably fitted to an implant in an oral cavity of a patient;
the transfer rod is fixedly arranged on the silicone rubber impression;
the substitute body is used for taking the silicon rubber impression fixedly provided with the transfer rod from the oral cavity of the patient and then assembling the silicon rubber impression on the transfer rod on the silicon rubber impression;
the 3D scanner is used for scanning the silicon rubber impression and the substitute to obtain image capture data;
the base station is connected with the 3D scanner and is used for respectively acquiring a three-dimensional data image of the gum of the patient and a three-dimensional data image of the substitute body according to the image data;
the central station is connected with the base station, and the base station is used for synthesizing the three-dimensional data image of the gum of the patient and the three-dimensional data image of the substitute body to obtain a three-dimensional data image of the oral cavity model;
and the 3D printing equipment is connected with the central station, and the 3D printing equipment is used for performing 3D printing according to the three-dimensional data image of the oral cavity model to obtain the oral cavity model.
7. The oral-model making system of claim 6, wherein: the transfer rod is provided with a through hole, and the implant and the substitute are both provided with internal thread holes;
a screw rod penetrates through the through hole of the transfer rod and is in threaded connection with the internal thread hole in the implant, or the screw rod is in threaded connection with the internal thread hole in the substitute.
8. The oral cavity model making system according to claim 6, wherein a recess with the same shape as the patient's gingiva is formed in the silicone rubber impression, and a status feature point for scanning is provided on the substitute;
the 3D scanner includes:
the first image capturing module is used for scanning the sunken part of the silicone rubber impression by a 3D scanner to obtain image capturing data of the gum of the patient;
and the second image capturing module is used for scanning the state characteristic points on the substitute body through the 3D scanner to obtain image capturing data of the substitute body.
9. The system of claim 8, wherein the base station comprises:
the first image acquisition module is used for acquiring a three-dimensional data image of the gum of the patient according to the image acquisition data of the gum of the patient;
and the second image acquisition module is used for acquiring a three-dimensional data image of the substitute body according to the image acquisition data of the substitute body.
10. An oral cavity model fabrication system as claimed in claim 6 or 9, wherein the central station comprises:
and the image synthesis module is used for superposing the three-dimensional data image of the substitute body on the three-dimensional data image of the gum of the patient according to the reference of the three-dimensional data image of the gum of the patient to obtain the three-dimensional data image of the oral cavity model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061864.9A CN109276332B (en) | 2018-09-12 | 2018-09-12 | Oral cavity model manufacturing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061864.9A CN109276332B (en) | 2018-09-12 | 2018-09-12 | Oral cavity model manufacturing method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109276332A CN109276332A (en) | 2019-01-29 |
| CN109276332B true CN109276332B (en) | 2020-12-18 |
Family
ID=65181332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811061864.9A Active CN109276332B (en) | 2018-09-12 | 2018-09-12 | Oral cavity model manufacturing method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109276332B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758246A (en) * | 2019-03-03 | 2019-05-17 | 青岛华新华义齿技术有限公司 | A kind of tooth-implanting digitlization impression-taking technique |
| CN111616821B (en) * | 2020-05-20 | 2021-08-17 | 北京联袂义齿技术有限公司 | Digital three-dimensional construction and manufacturing method of personalized planting base station |
| CN111904634B (en) * | 2020-07-27 | 2022-02-15 | 赤峰学院附属医院 | Preparation method of sectional alloy splint impression for implantation repair |
| CN112842603B (en) * | 2020-12-31 | 2022-10-04 | 陕西海涛医疗科技集团有限公司 | Method for manufacturing surgical guide plate for guiding dental crown lengthening operation |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007148788A1 (en) * | 2006-06-23 | 2007-12-27 | Kuraray Co., Ltd. | Porous ceramic material and method of producing the same |
| CN102178564A (en) * | 2011-04-07 | 2011-09-14 | 上海雷帕罗义齿有限公司 | Oral implant abutment and manufacturing method thereof |
| CN203493761U (en) * | 2013-09-26 | 2014-03-26 | 南京市口腔医院 | Aesthetic gingiva healing abutment |
| CN105078598B (en) * | 2014-05-14 | 2016-12-07 | 北京大学口腔医学院 | The digitized preparation method of edentulous jaw personalization impression tray |
| CN104398309A (en) * | 2014-12-19 | 2015-03-11 | 杨刚 | Method for intraoral optical impression of oral dental implant |
| CN204501043U (en) * | 2014-12-19 | 2015-07-29 | 杨刚 | For the alternative body of optics die post-processed implantation body in oral cavity |
| EP3310293A1 (en) * | 2015-06-19 | 2018-04-25 | Nobel Biocare Services AG | Dental connection assembly and method for producing a dental prosthesis |
| CN106580495B (en) * | 2016-12-23 | 2022-07-19 | 大连三生科技发展有限公司 | Dental 3D printing system |
| CN107019570A (en) * | 2017-04-13 | 2017-08-08 | 江苏福隆数齿科技有限公司 | Digital implementation is repaired in plantation by a kind of oral cavity chair |
| CN107260341B (en) * | 2017-06-08 | 2019-10-01 | 同济大学 | A kind of production method of personalization gum aesthetics forming gingival former |
| KR101883958B1 (en) * | 2017-07-21 | 2018-08-01 | 주식회사 디오 | method for manufacturing digital denture and system thereof |
| CN108030560B (en) * | 2018-01-15 | 2020-05-12 | 夏舟斌 | Impression method for accurately copying gingival morphology |
-
2018
- 2018-09-12 CN CN201811061864.9A patent/CN109276332B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109276332A (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109276332B (en) | Oral cavity model manufacturing method and system | |
| US11816835B2 (en) | Method of designing and fabricating patient-specific restorations from intra-oral scanning of a digital impression coping | |
| CN109009509B (en) | Method and system for manufacturing digital oral cavity model | |
| KR102442720B1 (en) | Method for processing 3D scanned data to manufacture dental prosthesis | |
| US10813729B2 (en) | Temporary dental prosthesis for use in developing final dental prosthesis | |
| US11096767B2 (en) | Method and system for generating a model of a subperiosteal dental implant device and customized implant head | |
| US8386062B2 (en) | Method of preparing digital model and artificial tooth applied to dental implant | |
| CN109938869B (en) | Gum repairing method and system | |
| KR101883958B1 (en) | method for manufacturing digital denture and system thereof | |
| CN108062792B (en) | Dental restoration design method and device based on three-dimensional scanning device | |
| CN106580495B (en) | Dental 3D printing system | |
| CN109091257A (en) | Dentures repai method | |
| US20190216581A1 (en) | Intermediate Prosthesis for Dental Prosthesis Installation | |
| US20230346511A1 (en) | Preparation guide plate and removable partial denture support model construction method and fabrication method | |
| TWI580406B (en) | Method of making abutment used in dental implant | |
| WO2022124317A1 (en) | Analog holding jig | |
| JP2020526304A (en) | Digital prosthetic manufacturing method and manufacturing system, denture hole guider and manufacturing method applied to it | |
| KR101674074B1 (en) | The digital model for implant and thereof manufacturing system | |
| JP2021003212A (en) | Data generation method, artificial tooth producing method, data generation program, data generation system | |
| KR101883956B1 (en) | denture hole guider and method for manufacturing thereof | |
| KR20220117404A (en) | manufacturing method and system for dental restoration | |
| KR20220119204A (en) | Method for obtaining non-invasive subgingival marginal shape for prosthesis design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 11A, Building 1, Kangtaijian Health Industry Building, No. 7 Rongtian Road, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Kangtaijian Medical Technology Co.,Ltd. Address before: 518000 Sixth Floor, Building E, Chiwan Industrial Park, No. 1 Shaodi Road, Shekou Chiwan, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN KANGTAIJIAN DENTAL INSTRUMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |