CN111973298A - Device and method for widening attached gingiva for oral implantation repair - Google Patents
Device and method for widening attached gingiva for oral implantation repair Download PDFInfo
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- CN111973298A CN111973298A CN202010749142.3A CN202010749142A CN111973298A CN 111973298 A CN111973298 A CN 111973298A CN 202010749142 A CN202010749142 A CN 202010749142A CN 111973298 A CN111973298 A CN 111973298A
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
- A61C19/063—Medicament applicators for teeth or gums, e.g. treatment with fluorides
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Abstract
The invention belongs to the technical field of oral medical instruments, and discloses a device and a method for widening an oral implant repairing attached gingiva, wherein the device for widening the oral implant repairing attached gingiva comprises: the gum image acquisition module, the main control module, the gum image analysis module, the gum state evaluation module, the gum deformation simulation module, the gum restoration module, the anti-inflammation module and the display module. According to the invention, the simulation efficiency is improved through the gum deformation simulation module, so that the deformed gum curved surface is smoother, the fine shape of the gum is kept, and the simulation accuracy is improved; meanwhile, after the marked gum area to be cut is mapped to the gum repairing guide plate model through the gum repairing module to obtain an overlapped part, the part overlapped with the gum area to be cut on the gum repairing guide plate model is removed to obtain the repairing guide plate model with the repairing hole model, so that errors caused by subjective experience can be avoided, and the repairing precision is better guaranteed.
Description
Technical Field
The invention belongs to the technical field of oral medical instruments, and particularly relates to a device and a method for widening an attached gingiva for oral implant repair.
Background
The gum refers to a reddish structure tightly attached to the alveolar bone around the neck of the tooth and adjacent to the neck of the tooth, and is composed of multiple layers of flat epithelium and intrinsic layer. Is a part of oral mucosa, has abundant blood vessels, is light red, tough and elastic, and can not move because of lacking submucosa and being directly and tightly connected with periosteum. The gingiva of the elderly often atrophy and the neck of the teeth is exposed. The gum is the part of the oral mucosa surrounding the tooth neck and alveolar process, is light pink, and is the chewing mucosa. It has a distinct boundary with the red alveolar mucosa and no distinct boundary with the hard jaw mucosa. The gingiva can be divided into three parts, namely a free gingiva, an attached root and a gingival papilla. The gingival surface is stratified squamous epithelium, horned layer or incompletely horned layer, and the epithelial nail is long and extends into connective tissue. However, the existing device for widening the implanted and repaired gingiva for oral implantation cannot accurately simulate the deformation of the gingiva, so that the repairing effect is influenced; meanwhile, the gum is only repaired based on the clinical experience of doctors, and the problems of large repair error, unsatisfactory repair effect and the like exist. In summary, the problems of the prior art are as follows: the existing device for widening the implanted gingiva for oral implantation repair cannot accurately simulate the deformation of the gingiva, so that the repair effect is influenced; meanwhile, the gum is only repaired based on the clinical experience of doctors, and the problems of large repair error, unsatisfactory repair effect and the like exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for widening an attached gingiva for oral implantation repair.
The invention is realized in that a method for oral implant repair of attached gum widening comprises:
step one, a gum image acquisition module acquires gum image data of a patient through a camera; the gum image analysis module adopts a technology based on the combination of curvature analysis and path search to detect gum characteristic lines;
the gum characteristic line detection by adopting the technology based on the combination of curvature analysis and path search comprises the following steps: carrying out discrete curvature estimation on the dentition model by using a Voronoi method, mapping a characteristic region extracted based on curvature into a weighted undirected connected graph, and searching a gum characteristic line by using a Floyd optimal path algorithm by combining a curvature value and anatomical morphology characteristics of the model;
step two, automatically smoothing the gum characteristic line detected in the step one by adopting a B-spline wavelet technology, and detecting the position of a tooth gap to segment a gum characteristic type value point of each tooth by combining the first-order and second-order differential characteristics of the characteristic line and different directional characteristics of the gum characteristic line on the buccal and lingual sides;
thirdly, based on the gingival image data obtained in the first step and the gingival characteristic value point data obtained in the second step, the gingival state evaluation module evaluates the gingival state according to the analysis result through an evaluation program; a gum deformation simulation module determines gum boundary points, teeth corresponding to the gum boundary points and immobile points participating in gum grid deformation;
step four, taking the point between the boundary line formed by the gum boundary points obtained in the step two and the boundary line formed by the immobile points as a deformation point;
acquiring models of teeth and gums, and determining the position relation between the models; selecting characteristic points in the gum model, and recording initial coordinate values of all the characteristic points;
solving a Laplace expression corresponding to the initial coordinate value of each feature point; solving Laplace matrixes corresponding to all the characteristic points through a topological structure of points on the gum model; obtaining a linear equation of the movement of the deformable point along with the control point through the connection relation between the control point and the deformable point;
obtaining coordinate values of the deformable point and the control point after deformation, and carrying out gum deformation process simulation;
step eight, the gum repairing module constructs a gum three-dimensional model and a tooth three-dimensional model through a data model constructing program based on the gum deformation process simulated in the step seven;
marking a gum area to be cut out in the gum three-dimensional model obtained in the step eight, wherein the gum area to be cut out corresponds to the redundant gum of the patient; generating a gum restoration guide plate model according to the gum three-dimensional model and the tooth three-dimensional model;
step ten, generating a repairing hole model in the gum repairing guide plate model according to the gum area to be cut off to obtain a repairing guide plate model with a repairing hole model; manufacturing a gum repairing guide plate according to a gum repairing guide plate model with a repairing hole model, wherein the obtained gum repairing guide plate is provided with a repairing hole;
step eleven, sleeving the gum repairing guide plate in the teeth of the patient, cutting off redundant gum along the edge of the repairing hole, and repairing the gum;
step twelve, the anti-inflammation module injects liquid anti-inflammation medicine to the repaired gum through the injector; the display module displays the collected gingival image, the analysis result, the evaluation result and the simulation information through the display.
Further, in step three, the gum boundary point is a boundary point where a tooth mesh and the gum mesh are intersected.
Further, in step five, the feature points include:
the characteristic points comprise control points, deformable points and fixed points;
the control points are all points on the intersecting contour of the tooth model and the gum model, and the control points do rigid movement along with the tooth movement; according to the contour formed by all the control points, outwards expanding for N circles, taking all the points in the area after expanding for N circles as deformable points, wherein the deformable points deform along with the movement of the teeth; the value of N is 5-20; according to the outline formed by the deformable points of the outermost circle, the outer circle is expanded outwards again, and all the points on the outline after expansion are fixed points.
Further, in the seventh step, the method for obtaining the coordinate values of the deformed point and the control point after the deformation includes:
(1) moving the tooth model, and moving all the control points on the gum model along with the tooth model so as to obtain coordinate values of the deformed control points; substituting the deformed coordinate value of the control point into a linear equation to obtain the deformed coordinate value of the deformable point;
(2) obtaining a rotation matrix of Laplace expression corresponding to the deformable point through coordinate transformation by using the coordinate value of the deformed deformable point and the initial coordinate value of the deformable point;
(3) performing first rotation transformation on the Laplace expression to obtain a new Laplace expression corresponding to the deformable point; and re-solving the coordinate values of the deformable points through a new Laplace expression.
Further, in step eight, the method for constructing the three-dimensional model of the gum and the three-dimensional model of the tooth through the data model construction program comprises the following steps:
1) scanning the gingiva and the teeth of a patient through an intraoral scanner to obtain three-dimensional data of the gingiva and the teeth of the patient;
2) and establishing a three-dimensional gum model according to the three-dimensional gum data of the patient, and establishing a three-dimensional tooth model according to the three-dimensional tooth data of the patient.
Further, the generating of the repair hole model in the gum repair guide plate model according to the gum area to be cut off to obtain the repair guide plate model with the repair hole model specifically includes:
mapping the marked gum area to be cut to a gum repairing guide plate model;
and removing the part of the gum repairing guide plate model overlapped with the gum area to be cut to obtain the repairing guide plate model with the repairing hole model.
Further, the baffle is restoreed to the gum according to the gum that has the restoration hole model and the baffle model manufacturing obtains the gum and restores the baffle, is provided with on the gum that obtains and restores the baffle and restores the hole and specifically includes: and 3D printing is carried out according to the repairing guide plate model with the repairing hole model, the gum repairing guide plate is manufactured, and the repairing hole is formed in the obtained gum repairing guide plate.
Another object of the present invention is to provide a device for oral implant restoration of attached gum widening implementing the method for oral implant restoration of attached gum widening, comprising:
the gum image acquisition module, the main control module, the gum image analysis module, the gum state evaluation module, the gum deformation simulation module, the gum restoration module, the anti-inflammation module and the display module;
the gum image acquisition module is connected with the main control module and is used for acquiring gum image data of the patient through the camera;
the main control module is connected with the gum image acquisition module, the gum image analysis module, the gum state evaluation module, the gum deformation simulation module, the gum restoration module, the inflammation diminishing module and the display module and is used for controlling the normal work of each module through the main controller;
the gum image analysis module is connected with the main control module and is used for analyzing gum characteristics through an analysis program;
the gum state evaluation module is connected with the main control module and used for evaluating the gum state according to the analysis result through an evaluation program;
the gum deformation simulation module is connected with the main control module and used for simulating a gum deformation process through a simulation program;
the gum repairing module is connected with the main control module and is used for repairing gum;
the anti-inflammatory module is connected with the main control module and is used for injecting liquid anti-inflammatory drugs to the repaired gum through the injector;
and the display module is connected with the main control module and used for displaying the collected gingival image, the analysis result, the evaluation result and the simulation information through the display.
It is a further object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing, when executed on an electronic device, a user input interface for implementing the method for oral implant repair of attached gum widening.
It is another object of the present invention to provide a computer readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the method for oral implant repair of attached gum widening.
The invention has the advantages and positive effects that: according to the method, compared with the existing simulation method, the rotation matrix design method of the gum deformation simulation module based on the Laplace expression and the Laplace expression corresponding to each characteristic point is adopted, the computer only needs to carry out Laplace and Laplace rotation transformation, the calculated amount is reduced, the calculation can be completed within 200ms, the simulation efficiency is improved, the deformed gum curved surface is smoother, the fine shape of the gum is reserved, and the simulation accuracy is improved; meanwhile, after the marked gum area to be cut is mapped to the gum repairing guide plate model through the gum repairing module to obtain an overlapped part, the part overlapped with the gum area to be cut on the gum repairing guide plate model is removed to obtain the repairing guide plate model with the repairing hole model, so that errors caused by subjective experience can be avoided, and the repairing precision is better guaranteed.
Drawings
Fig. 1 is a flow chart of a method for oral implant repair of attached gum widening provided by an embodiment of the present invention.
FIG. 2 is a block diagram of a device for oral implant repair of attached gum widening provided by an embodiment of the present invention;
in the figure: 1. a gum image acquisition module; 2. a main control module; 3. a gum image analysis module; 4. a gum state evaluation module; 5. a gum deformation simulation module; 6. a gum repairing module; 7. an anti-inflammatory module; 8. and a display module.
Fig. 3 is a flowchart of a gingival deformation simulation module simulation method according to an embodiment of the invention.
Fig. 4 is a flowchart of a method for obtaining coordinate values of a deformable point and a control point after deformation according to an embodiment of the present invention.
Fig. 5 is a flowchart of a method for repairing a gingival repair module according to an embodiment of the present invention.
Fig. 6 is a flowchart of a method for constructing a three-dimensional model of gums and teeth by a data model construction process according to an embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for widening the attached gingiva for oral implant repair provided by the embodiment of the present invention comprises:
s101, a gum image acquisition module acquires gum image data of a patient through a camera; the gum image analysis module analyzes gum characteristics through an analysis program;
s102, the gum state evaluation module evaluates the gum state according to the analysis result through an evaluation program; the gum deformation simulation module simulates a gum deformation process through a simulation program;
s103, repairing the gingiva by a gingiva repairing module; the anti-inflammation module injects liquid anti-inflammation medicine to the repaired gum through the injector;
and S104, the display module displays the collected gingival image, the analysis result, the evaluation result and the simulation information through the display.
As shown in fig. 2, the device for widening the attached gingiva for oral implant restoration provided by the embodiment of the present invention comprises: the gum image acquisition module 1, the main control module 2, the gum image analysis module 3, the gum state evaluation module 4, the gum deformation simulation module 5, the gum restoration module 6, the anti-inflammation module 7 and the display module 8.
The gum image acquisition module 1 is connected with the main control module 2 and is used for acquiring gum image data of a patient through a camera;
the main control module 2 is connected with the gum image acquisition module 1, the gum image analysis module 3, the gum state evaluation module 4, the gum deformation simulation module 5, the gum repair module 6, the anti-inflammation module 7 and the display module 8 and is used for controlling the normal work of each module through the main controller;
the gum image analysis module 3 is connected with the main control module 2 and is used for analyzing gum characteristics through an analysis program;
the gum state evaluation module 4 is connected with the main control module 2 and used for evaluating the gum state according to the analysis result through an evaluation program;
the gum deformation simulation module 5 is connected with the main control module 2 and used for simulating a gum deformation process through a simulation program;
the gum repairing module 6 is connected with the main control module 2 and is used for repairing gum;
the anti-inflammation module 7 is connected with the main control module 2 and is used for injecting liquid anti-inflammation medicine to the repaired gum through an injector;
and the display module 8 is connected with the main control module 2 and used for displaying the collected gingival image, the analysis result, the evaluation result and the simulation information through a display.
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
The method for widening the attached gingiva for oral implant restoration provided by the embodiment of the invention is shown in fig. 1, and as a preferred embodiment, the method for analyzing characteristics of gingiva provided by the embodiment of the invention is as follows:
carrying out gum characteristic line detection by adopting a technology based on combination of curvature analysis and path search;
the gum characteristic line detection by adopting the technology based on the combination of curvature analysis and path search comprises the following steps: carrying out discrete curvature estimation on the dentition model by using a Voronoi method, mapping a characteristic region extracted based on curvature into a weighted undirected connected graph, and searching a gum characteristic line by using a Floyd optimal path algorithm by combining a curvature value and anatomical morphology characteristics of the model; and (3) automatically smoothing the detected gum characteristic line by adopting a B-spline wavelet technology, and detecting the position of the slit between the teeth by combining the first-order and second-order differential characteristics of the characteristic line and different directional characteristics of the gum characteristic line on the cheek-tongue side so as to segment the gum characteristic type value point of each tooth.
Example 2
The method for widening the attached gingiva for oral implant restoration provided by the embodiment of the invention is shown in fig. 1, and as a preferred embodiment, as shown in fig. 2, the method for simulating gingival deformation provided by the embodiment of the invention is as follows:
s201, determining a gum boundary point, a tooth corresponding to the gum boundary point and an immobile point participating in gum grid deformation, wherein the gum boundary point is a boundary point of a junction of a tooth grid and the gum grid;
s202, taking a point between a boundary line formed by the gum boundary points and a boundary line formed by the immobile points as a deformation point;
s203, obtaining models of teeth and gingiva, and determining the position relation between the two models; selecting characteristic points in the gum model, and recording initial coordinate values of all the characteristic points; the characteristic points comprise control points, deformable points and fixed points;
the control points are all points on the intersecting contour of the tooth model and the gum model, and the control points do rigid movement along with the tooth movement; according to the contour formed by all the control points, outwards expanding for N circles, taking all the points in the area after expanding for N circles as deformable points, wherein the deformable points deform along with the movement of the teeth; the value of N is 5-20; according to the outline formed by the deformable points of the outermost circle, the outline is expanded outwards for one circle again, and all the points on the outline after expansion are fixed points;
s204, solving a Laplace expression corresponding to the initial coordinate value of each feature point; solving Laplace matrixes corresponding to all the characteristic points through a topological structure of points on the gum model; obtaining a linear equation of the movement of the deformable point along with the control point through the connection relation between the control point and the deformable point;
and S205, acquiring coordinate values of the deformable point and the control point after deformation.
As shown in fig. 4, the method for obtaining coordinate values of a deformable point and a control point after deformation according to the embodiment of the present invention includes:
s301, moving the tooth model, and moving all control points on the gum model along with the tooth model so as to obtain coordinate values of the deformed control points; substituting the deformed coordinate value of the control point into a linear equation to obtain the deformed coordinate value of the deformable point;
s302, obtaining a rotation matrix of Laplace expression corresponding to the deformable point through coordinate transformation by using the coordinate value of the deformed deformable point and the initial coordinate value of the deformable point;
s303, performing first rotation transformation on the Laplace expression to obtain a new Laplace expression corresponding to the deformable point; and re-solving the coordinate values of the deformable points through a new Laplace expression.
Example 3
The method for widening the attached gingiva for oral implant restoration provided by the embodiment of the invention is shown in fig. 1, and as a preferred embodiment, as shown in fig. 5, the method for restoring the gingiva provided by the embodiment of the invention is as follows:
s401, constructing a gum three-dimensional model and a tooth three-dimensional model through a data model construction program;
s402, marking a gum area to be cut out in the gum three-dimensional model, wherein the gum area to be cut out corresponds to redundant gums of a patient; generating a gum restoration guide plate model according to the gum three-dimensional model and the tooth three-dimensional model;
s403, generating a repairing hole model in the gum repairing guide plate model according to the gum area to be cut off to obtain a repairing guide plate model with a repairing hole model; manufacturing a gum repairing guide plate according to a gum repairing guide plate model with a repairing hole model, wherein the obtained gum repairing guide plate is provided with a repairing hole;
and S404, sleeving the gum repairing guide plate in the teeth of the patient, and cutting off the redundant gum along the edge of the repairing hole.
As shown in fig. 6, a method for constructing a three-dimensional model of gingiva and a three-dimensional model of teeth by a data model construction procedure according to an embodiment of the present invention is as follows:
s501, scanning the gum and the teeth of a patient through an intraoral scanner to obtain three-dimensional data of the gum and the teeth of the patient;
s502, establishing a gum three-dimensional model according to the gum three-dimensional data of the patient, and establishing a tooth three-dimensional model according to the tooth three-dimensional data of the patient.
The method for generating the repair hole model in the gum repair guide plate model according to the gum area to be cut provided by the embodiment of the invention to obtain the repair guide plate model with the repair hole model specifically comprises the following steps:
mapping the marked gum area to be cut to a gum repairing guide plate model;
and removing the part of the gum repairing guide plate model overlapped with the gum area to be cut to obtain the repairing guide plate model with the repairing hole model.
The gingival repairing guide plate manufactured according to the gingival repairing guide plate model with the repairing hole model provided by the embodiment of the invention is provided with the repairing holes, and the repairing holes formed in the gingival repairing guide plate specifically comprise: and 3D printing is carried out according to the repairing guide plate model with the repairing hole model, the gum repairing guide plate is manufactured, and the repairing hole is formed in the obtained gum repairing guide plate.
When the device works, firstly, a gingival image acquisition module 1 acquires gingival image data of a patient by using a camera; secondly, the main control module 2 analyzes the gum characteristics by using an analysis program through the gum image analysis module 3; evaluating the gum state according to the analysis result by a gum state evaluation module 4 by using an evaluation program; simulating a gum deformation process by using a simulation program through a gum deformation simulation module 5; repairing the gum through a gum repairing module 6; then, injecting liquid anti-inflammatory medicine to the repaired gum by using an injector through the anti-inflammatory module 7; finally, the display module 8 displays the collected gingival image, the analysis result, the evaluation result and the simulation information by using a display.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A method for oral implant restoration of attached gum widening, comprising:
step one, a gum image acquisition module acquires gum image data of a patient through a camera; the gum image analysis module adopts a technology based on the combination of curvature analysis and path search to detect gum characteristic lines;
the gum characteristic line detection by adopting the technology based on the combination of curvature analysis and path search comprises the following steps: carrying out discrete curvature estimation on the dentition model by using a Voronoi method, mapping a characteristic region extracted based on curvature into a weighted undirected connected graph, and searching a gum characteristic line by using a Floyd optimal path algorithm by combining a curvature value and anatomical morphology characteristics of the model;
step two, automatically smoothing the gum characteristic line detected in the step one by adopting a B-spline wavelet technology, and detecting the position of a tooth gap to segment a gum characteristic type value point of each tooth by combining the first-order and second-order differential characteristics of the characteristic line and different directional characteristics of the gum characteristic line on the buccal and lingual sides;
thirdly, based on the gingival image data obtained in the first step and the gingival characteristic value point data obtained in the second step, the gingival state evaluation module evaluates the gingival state according to the analysis result through an evaluation program; a gum deformation simulation module determines gum boundary points, teeth corresponding to the gum boundary points and immobile points participating in gum grid deformation;
step four, taking the point between the boundary line formed by the gum boundary points obtained in the step two and the boundary line formed by the immobile points as a deformation point;
acquiring models of teeth and gums, and determining the position relation between the models; selecting characteristic points in the gum model, and recording initial coordinate values of all the characteristic points;
solving a Laplace expression corresponding to the initial coordinate value of each feature point; solving Laplace matrixes corresponding to all the characteristic points through a topological structure of points on the gum model; obtaining a linear equation of the movement of the deformable point along with the control point through the connection relation between the control point and the deformable point;
obtaining coordinate values of the deformable point and the control point after deformation, and carrying out gum deformation process simulation;
step eight, the gum repairing module constructs a gum three-dimensional model and a tooth three-dimensional model through a data model constructing program based on the gum deformation process simulated in the step seven;
marking a gum area to be cut out in the gum three-dimensional model obtained in the step eight, wherein the gum area to be cut out corresponds to the redundant gum of the patient; generating a gum restoration guide plate model according to the gum three-dimensional model and the tooth three-dimensional model;
step ten, generating a repairing hole model in the gum repairing guide plate model according to the gum area to be cut off to obtain a repairing guide plate model with a repairing hole model; manufacturing a gum repairing guide plate according to a gum repairing guide plate model with a repairing hole model, wherein the obtained gum repairing guide plate is provided with a repairing hole;
step eleven, sleeving the gum repairing guide plate in the teeth of the patient, cutting off redundant gum along the edge of the repairing hole, and repairing the gum;
step twelve, the anti-inflammation module injects liquid anti-inflammation medicine to the repaired gum through the injector; the display module displays the collected gingival image, the analysis result, the evaluation result and the simulation information through the display.
2. The method of claim 1, wherein in step three, the gingival boundary point is a boundary point where a tooth mesh intersects the gingival mesh.
3. The method for oral implant restoration of attached gum widening according to claim 1, wherein in step five, the characteristic points comprise:
the characteristic points comprise control points, deformable points and fixed points;
the control points are all points on the intersecting contour of the tooth model and the gum model, and the control points do rigid movement along with the tooth movement; according to the contour formed by all the control points, outwards expanding for N circles, taking all the points in the area after expanding for N circles as deformable points, wherein the deformable points deform along with the movement of the teeth; the value of N is 5-20; according to the outline formed by the deformable points of the outermost circle, the outer circle is expanded outwards again, and all the points on the outline after expansion are fixed points.
4. The method for widening an attached gingiva for oral implant restoration according to claim 1, wherein in the seventh step, the coordinate values of the deformable point and the control point after deformation are acquired by the following method:
(1) moving the tooth model, and moving all the control points on the gum model along with the tooth model so as to obtain coordinate values of the deformed control points; substituting the deformed coordinate value of the control point into a linear equation to obtain the deformed coordinate value of the deformable point;
(2) obtaining a rotation matrix of Laplace expression corresponding to the deformable point through coordinate transformation by using the coordinate value of the deformed deformable point and the initial coordinate value of the deformable point;
(3) performing first rotation transformation on the Laplace expression to obtain a new Laplace expression corresponding to the deformable point; and re-solving the coordinate values of the deformable points through a new Laplace expression.
5. The method for mouth implant restoration of attached gum broadening as claimed in claim 1, wherein in step eight, said three dimensional model of gums and teeth constructed by said data model construction procedure are as follows:
1) scanning the gingiva and the teeth of a patient through an intraoral scanner to obtain three-dimensional data of the gingiva and the teeth of the patient;
2) and establishing a three-dimensional gum model according to the three-dimensional gum data of the patient, and establishing a three-dimensional tooth model according to the three-dimensional tooth data of the patient.
6. The method for oral implant restoration of attached gum widening according to claim 1, wherein the creating of the restoration hole model in the gum restoration guide model according to the gum area to be excised specifically comprises:
mapping the marked gum area to be cut to a gum repairing guide plate model;
and removing the part of the gum repairing guide plate model overlapped with the gum area to be cut to obtain the repairing guide plate model with the repairing hole model.
7. The method for oral implant restoration of attached gum widening according to claim 1, wherein the gingival restoration guide is manufactured according to a gingival restoration guide model with a restoration hole model, and the step of forming the restoration hole on the gingival restoration guide specifically comprises the following steps:
and 3D printing is carried out according to the repairing guide plate model with the repairing hole model, the gum repairing guide plate is manufactured, and the repairing hole is formed in the obtained gum repairing guide plate.
8. An apparatus for oral implant restoration attached gum widening implementing the method for oral implant restoration attached gum widening of claim 1, wherein the method for oral implant restoration attached gum widening comprises:
the gum image acquisition module, the main control module, the gum image analysis module, the gum state evaluation module, the gum deformation simulation module, the gum restoration module, the anti-inflammation module and the display module;
the gum image acquisition module is connected with the main control module and is used for acquiring gum image data of the patient through the camera;
the main control module is connected with the gum image acquisition module, the gum image analysis module, the gum state evaluation module, the gum deformation simulation module, the gum restoration module, the inflammation diminishing module and the display module and is used for controlling the normal work of each module through the main controller;
the gum image analysis module is connected with the main control module and is used for analyzing gum characteristics through an analysis program;
the gum state evaluation module is connected with the main control module and used for evaluating the gum state according to the analysis result through an evaluation program;
the gum deformation simulation module is connected with the main control module and used for simulating a gum deformation process through a simulation program;
the gum repairing module is connected with the main control module and is used for repairing gum;
the anti-inflammatory module is connected with the main control module and is used for injecting liquid anti-inflammatory drugs to the repaired gum through the injector;
and the display module is connected with the main control module and used for displaying the collected gingival image, the analysis result, the evaluation result and the simulation information through the display.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for implementing a method for oral implant restoration of attached gum widening as claimed in any one of claims 1 to 7 when executed on an electronic device.
10. A computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to perform the method for oral implant restoration of attached gum widening as recited in any one of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749142.3A CN111973298A (en) | 2020-07-30 | 2020-07-30 | Device and method for widening attached gingiva for oral implantation repair |
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| CN202010749142.3A CN111973298A (en) | 2020-07-30 | 2020-07-30 | Device and method for widening attached gingiva for oral implantation repair |
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| CN111973298A true CN111973298A (en) | 2020-11-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120148984A1 (en) * | 2009-11-16 | 2012-06-14 | Kaigler Sr Darnell | Implants and methods for performing gingiva and bone augmentation and preservation |
| CN103700103A (en) * | 2013-12-05 | 2014-04-02 | 嘉兴学院 | Method for automatically extracting gingiva curves of three-dimensional digital dentition model |
| CN108836522A (en) * | 2018-03-20 | 2018-11-20 | 北京正齐口腔医疗技术有限公司 | The emulation mode and device of gingiva deformity |
| CN109431632A (en) * | 2018-09-30 | 2019-03-08 | 西安增材制造国家研究院有限公司 | A method of simulation gingiva deformity |
| CN109938869A (en) * | 2019-03-13 | 2019-06-28 | 深圳市康泰健牙科器材有限公司 | A kind of gum reparation method and system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120148984A1 (en) * | 2009-11-16 | 2012-06-14 | Kaigler Sr Darnell | Implants and methods for performing gingiva and bone augmentation and preservation |
| CN103700103A (en) * | 2013-12-05 | 2014-04-02 | 嘉兴学院 | Method for automatically extracting gingiva curves of three-dimensional digital dentition model |
| CN108836522A (en) * | 2018-03-20 | 2018-11-20 | 北京正齐口腔医疗技术有限公司 | The emulation mode and device of gingiva deformity |
| CN109431632A (en) * | 2018-09-30 | 2019-03-08 | 西安增材制造国家研究院有限公司 | A method of simulation gingiva deformity |
| CN109938869A (en) * | 2019-03-13 | 2019-06-28 | 深圳市康泰健牙科器材有限公司 | A kind of gum reparation method and system |
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