Implant with titanium plate retention structure, preparation method and application
Technical Field
The invention belongs to the technical field of tooth restoration, and particularly relates to an implant with a titanium plate retention structure, a preparation method and application.
Background
At present, denture repair is often needed after dentition defects and dentition deletion, and at present, a plurality of denture repair modes are available, such as movable denture repair, fixed bridge repair, implant denture repair and the like, wherein due to the advantages of good comfort, high chewing efficiency and the like, more and more patients select implant repair.
The implant denture restoration mainly comprises delayed implant restoration and ready-to-implant restoration, and the conventional delayed implant restoration is generally carried out 3-6 months after the tooth is pulled out, and the implant tooth restoration is carried out after local sclerotin is relatively stable. And the immediate implantation restoration is to implant the dental implant at the same time of extracting the affected tooth. Compared with the two, the latter has the following advantages: 1. the treatment course is shortened, the operation times are reduced, and the pain of a patient is reduced; 2. the large-scale bone grafting caused by insufficient bone quantity of a planting area due to the physiological absorption of alveolar bones is avoided and reduced; 3. the implant is beneficial to being implanted into an ideal long axis position, so that the implant is more in line with the biomechanical requirement; 4. the preparation of the surgical implant nest reduces the damage to local bones, maintains the natural shape of soft tissues of gum tissues and realizes the natural and true aesthetic repair effect to the maximum extent.
One of the keys of the immediate successful dental implant restoration is that the implant has good initial stability after being implanted, however, because the inflammation of the affected tooth root tip of many patients is serious in clinical work, the alveolar bone is absorbed more, so that the implant pit cannot be prepared effectively to obtain good initial stability. In order to solve the problem of insufficient bone mass and meet the requirement of fixing an implant, a mode of delayed bone implantation and bone grafting is generally adopted in clinic to increase the height of the bone, but the operation times are increased, the treatment process is longer, and the cost is higher, so that a plurality of patients cannot accept the bone. Therefore, a new implant for prosthetic tooth repair and a method for preparing the same are needed.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) because the inflammation of the affected tooth root tip of many patients is serious in clinical work, the alveolar bone is absorbed more, and the good initial stability of the implant nest cannot be effectively prepared.
(2) The traditional mode of adopting postponed planting and bone grafting to increase the height of bone, but the operation frequency increases, and the treatment process is longer, and the expense is higher and makes many patients unacceptable.
The difficulty in solving the above problems and defects is: how to allow patients with insufficient bone mass due to apical inflammation to carry out immediate implantation and how to realize the immediate dental implantation technology by using the residual bone mass of the patients is unsolved by the prior art at present. (problem of the prior art: postponing the implantation and grafting of bone increases the number of operations, the patient is required to undergo two surgical wounds and the cost of the operation is increased.)
The significance of solving the problems and the defects is as follows: the patient with insufficient bone mass can enjoy the convenience brought by the immediate dental implantation, the operation frequency is reduced, the treatment course is shortened, and the operation cost is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an implant with a titanium plate retention structure, a preparation method and application.
The invention is realized in such a way that the preparation method of the implant with the titanium plate retention structure comprises the following steps:
the method comprises the following steps: importing the jaw bone data into Mimics, selecting parts of the jaw bone in the edentulous area by methods of threshold value endowing the jaw bone parts, region growing and the like, then carrying out 3D calculation to obtain data of the jaw bone in the edentulous area, and storing the data in an STL format;
step two, leading the obtained jaw data into 3shape, determining the position and the direction of implant implantation by using an implant guide module therein, and storing the determined position and direction as STL format data;
step three, placing the main body of the implant in the positions determined in the step two in the positions P and G, wherein the length of the main body can be adjusted according to the condition of the jaw bone of the patient, the diameter of the main body is 4.5mm, then determining the position of the retention space on the outer bone wall of the cheek and palate side of the implant according to the condition of the jaw bone of the patient, and modeling a screw hole, wherein the diameter of the screw hole is 2mm, the height of the screw hole is 1mm, and the diameter of an inner gap is 1.5 mm;
and step four, drawing the mold according to the shape of the bone wall, wherein the height is 1mm, the width is 1mm, and the length is determined by the distance from the position-fixing hole to the implant body.
Further, in the step one, the jaw bone of the affected tooth area is stored in an STL format after being three-dimensionally reconstructed.
Another object of the present invention is to provide a system for preparing an implant having a titanium plate retention structure, to which the method for preparing an implant having a titanium plate retention structure is applied, the system comprising:
the three-dimensional reconstruction module is used for carrying out CBCT scanning on a patient before an operation, importing the obtained DICM format data into the Mimics software to carry out three-dimensional reconstruction on the jaw bone of the affected tooth region and storing the data into an STL format;
the data import module is used for importing the obtained jaw data into the 3shape to determine the implantation position and direction, importing a digital model of the implant and summarizing the data;
the screw hole modeling module is used for determining the position of a retention hole on the outer bone wall of the cheek and palate side of the implant according to the condition of the jaw bone of the patient in Powershape and Geomagic, and performing screw hole modeling on the position;
the structure connecting module is used for drawing a sketch according to the bone wall form and drawing a die to connect the implant and the screw hole so as to enable the implant to be tightly attached to the jaw bone, and outputting and storing the obtained implant data into an STL format;
and the implant preparation module is used for cutting, processing and finely polishing the obtained data to obtain the implant with the titanium plate retention structure.
It is a further object of the invention to provide a computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of:
CBCT scanning is carried out on a patient before operation, the obtained DICM format data is imported into Mimics software to carry out three-dimensional reconstruction on the jaw bone of the affected tooth area and is stored in STL format; leading the obtained jaw data into 3shape to determine the implantation position and direction, leading the jaw data into a digital model of the implant, and summarizing the jaw data;
determining the position of a retention hole on the outer bone wall of the cheek and palate side of a dental implant according to the condition of the jaw bone of a patient in Powershape and Geomagic, and performing screw hole modeling on the position; drawing a sketch according to the bone wall form, drawing a die to connect the implant and the screw hole so as to enable the implant to be tightly attached to the jaw bone, and outputting and storing the obtained implant data into an STL format; and cutting, processing and finely polishing the obtained data to obtain the implant with the titanium plate retention structure.
It is another object of the present invention to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
CBCT scanning is carried out on a patient before operation, the obtained DICM format data is imported into Mimics software to carry out three-dimensional reconstruction on the jaw bone of the affected tooth area and is stored in STL format; leading the obtained jaw data into 3shape to determine the implantation position and direction, leading the jaw data into a digital model of the implant, and summarizing the jaw data;
determining the position of a retention hole on the outer bone wall of the cheek and palate side of a dental implant according to the condition of the jaw bone of a patient in Powershape and Geomagic, and performing screw hole modeling on the position; drawing a sketch according to the bone wall form, drawing a die to connect the implant and the screw hole so as to enable the implant to be tightly attached to the jaw bone, and outputting and storing the obtained implant data into an STL format; and cutting, processing and finely polishing the obtained data to obtain the implant with the titanium plate retention structure.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying said system for preparing an implant with a titanium plate retention structure when executed on an electronic device.
It is another object of the present invention to provide a computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to apply the system for preparing an implant having a titanium plate retention structure.
Another object of the present invention is to provide an information data processing terminal for implementing the system for preparing the implant with the titanium plate retention structure.
The invention also aims to provide the implant with the titanium plate retention structure, which is prepared by applying the preparation method of the implant with the titanium plate retention structure.
The invention also aims to provide an application of the implant with the titanium plate retention structure in denture repair.
By combining all the technical schemes, the invention has the advantages and positive effects that: the implant with the titanium plate retention structure provided by the invention can realize the initial stability of the dental implant without delayed planting and bone grafting under the condition of insufficient bone mass.
For patients with large periapical inflammation, more alveolar bone absorption and incapability of preparing effective implant sockets, the existing treatment scheme can only be delayed implant repair, the delayed repair needs to be performed after 3-6 months of alveolar bone healing after the affected teeth are pulled out, not only 2 operations are required, but also the treatment period is greatly increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for manufacturing an implant having a titanium plate retention structure according to an embodiment of the present invention.
FIG. 2 is a block diagram of a system for preparing an implant having a titanium plate retention structure according to an embodiment of the present invention;
in the figure: 1. a three-dimensional reconstruction module; 2. a data import module; 3. a screw hole modeling module; 4. a structural connection module; 5. and a planting body preparation module.
FIG. 3 is a schematic structural view of an implant with a titanium plate retention structure provided by an embodiment of the present invention; in the figure: 6. a position-retaining hole; 7. an implant body; 8. a titanium plate is fixed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides an implant with a titanium plate retention structure, a preparation method and application thereof, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for preparing an implant with a titanium plate retention structure according to an embodiment of the present invention includes the following steps:
s101, carrying out CBCT scanning on a patient before operation, importing the obtained DICM format data into Mimics software to carry out three-dimensional reconstruction on jaw bones of affected tooth regions, and storing the jaw bones in an STL format;
s102, importing the obtained jaw data into a 3shape to determine an implantation position and an implantation direction, importing a digital model of an implant, and summarizing the data;
s103, determining the position of a retention hole on the outer bone wall of the cheek and palate side of the implant according to the condition of the jaw bone of the patient in Powershape and Geomagic, and performing screw hole modeling on the position;
s104, drawing a sketch according to the bone wall form, drawing a die, connecting the implant with the screw hole to enable the implant to be tightly attached to a jaw bone, and outputting and storing the obtained implant data into an STL format;
and S105, carrying out cutting machining and fine polishing on the obtained data to obtain the implant with the titanium plate retention structure.
As shown in fig. 2, a system for preparing an implant having a titanium plate retention structure according to an embodiment of the present invention includes:
the three-dimensional reconstruction module 1 is used for carrying out CBCT scanning on a patient before an operation, importing the obtained DICM format data into Mimics software to carry out three-dimensional reconstruction on the jaw bone of the affected tooth region and storing the three-dimensional reconstruction into STL format;
the data import module 2 is used for importing the obtained jaw data into the 3shape to determine the implantation position and direction, importing a digital model of the implant and summarizing the data;
the screw hole modeling module 3 is used for determining the position of a retention hole on the outer bone wall of the cheek and palate side of a dental implant according to the condition of the jaw bone of a patient in Powershape and Geomagic, and performing screw hole modeling on the position;
the structure connecting module 4 is used for drawing a sketch according to the bone wall form and drawing a die to connect the implant and the screw hole so as to enable the implant to be tightly attached to the jaw bone, and outputting and storing the obtained implant data into an STL format;
and the implant preparation module 5 is used for cutting, processing and finely polishing the obtained data to obtain the implant with the titanium plate retention structure.
As shown in fig. 3, the implant of the present invention comprises a main body of a conventional implant, and a retention titanium plate 2 and a retention hole 1 which are made according to the form of a patient's jaw bone, wherein the internal thread structure of the main body 2 is a commonly used connection structure in the implant, the implant is integrally formed by cutting, the retention titanium plate 3 is located below a smooth neck ring of the main body 1, generally, three to 4 small titanium plates are provided according to the condition of the patient's jaw bone, and four to five retention holes 1 are provided.
Fig. 3 is a schematic structural view of an implant with a titanium plate retention structure according to an embodiment of the present invention.
The technical solution of the present invention is further described below with reference to specific examples.
Aiming at the defects of the prior art, the problem to be solved is to provide an implant with a titanium plate retention structure, a preparation method and application, wherein the implant can realize the initial stability of the dental implant without delayed implantation and bone implantation under the condition of insufficient bone mass.
The method comprises the following steps: CBCT scanning is carried out on a patient before operation, the obtained DICM format data are imported into Mimics software to carry out three-dimensional reconstruction on jaw bones in an affected tooth area and stored in an STL format, the obtained jaw bone data are imported into a 3shape to determine the implantation position and direction, a digital model of an implant is imported, then the data are gathered, the position of a fixing hole is determined on the outer side bone wall of the jaw and palate side of the implant according to the jaw bone condition of the patient in Powershape and Geomagic, screw hole modeling is carried out on the position, then a draft is drawn according to the bone wall shape, and the implant and the screw hole are connected through drawing, so that the implant and the jaw bone are tightly attached. The resulting implant data is output and saved in STL format. And cutting, processing and finely polishing the obtained data to obtain the implant with the titanium plate retention structure.
For patients with large periapical inflammation, more alveolar bone absorption and incapability of preparing effective implant sockets, the existing treatment scheme can only be delayed implant repair, the delayed repair needs to be performed after 3-6 months of alveolar bone healing after the affected teeth are pulled out, not only 2 operations are required, but also the treatment period is greatly increased.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.