阅读说明：本技术 一种无牙颌种植的临时即刻修复体的制作方法 (Method for manufacturing temporary immediate prosthesis for edentulous jaw implantation ) 是由 汪锦 刘长根 于 2019-09-23 设计创作，主要内容包括：一种无牙颌种植的临时即刻修复体的制作方法,包括：制取患者口内上下颌石膏模型,在石膏模型上制作放射导板；利用CBCT首先获取具有放射导板与患者颌骨的数据,然后获得放射导板单独的数据；将数据导入GuideMia种植设计软件,在软件中分析颌骨信息设计出种植体的数量、型号、三维位置；生成出种植导板模型,并通过3D打印技术打印成型,在种植体上方选择相应的修复基台,通过GuideMia种植设计软件输出带有种植体及基台位置的模型,将模型通过3D打印技术打印成型,在模型上按照种植体、基台位置排列牙齿,制作出临时即刻修复体。本发明解决患者当天戴牙的需求,且具有高效率、低成本的优势。(A method for manufacturing a temporary immediate prosthesis for edentulous jaw implantation comprises the following steps: preparing a plaster model of the upper jaw and the lower jaw in the mouth of a patient, and manufacturing a radiation guide plate on the plaster model; firstly, acquiring data of a radiation guide plate and a jaw bone of a patient by CBCT (cone beam computed tomography), and then acquiring independent data of the radiation guide plate; importing the data into GuideMia planting design software, and analyzing jaw information in the software to design the number, the model and the three-dimensional position of the implant; generating an implant guide plate model, printing and forming the implant guide plate model through a 3D printing technology, selecting a corresponding repair abutment above an implant, outputting the model with the implant and the abutment position through GuideMia implant design software, printing and forming the model through the 3D printing technology, arranging teeth on the model according to the implant and the abutment position, and manufacturing a temporary immediate restoration. The invention meets the requirement of wearing teeth of a patient on the same day, and has the advantages of high efficiency and low cost.)

1. A method for manufacturing a temporary immediate prosthesis for edentulous jaw implantation is characterized by comprising the following steps: the method comprises the following steps:

step 1: preparing a plaster model of the upper jaw and the lower jaw in the mouth of a patient, and preparing a radiation guide plate with tooth arrangement, stable occlusion relation and radiation points on the plaster model; the method specifically comprises the following steps:

respectively obtaining model data in an STL format by using a sweep technology for the upper and lower jaw gypsum models;

importing the obtained STL model data into 3shape design software;

the base support boundary is drawn according to the dental restoration position of the patient, and the boundary covers the area containing the bucco-lingual frenulum, the vestibular sulcus and the palate;

designing dentition restoration on the base, and designing tooth arrangement with stable occlusion relation according to the size of dental arch, occlusion relation and jaw tooth anatomy of a patient;

finally, generating form data of the radiation guide plate, and manufacturing and forming a radiation guide plate model by using a 3D printing technology;

step 2: according to the radiation guide plate manufactured in the step 1, firstly, data of the radiation guide plate and a jaw bone of a patient are obtained by CBCT, and then, independent data of the radiation guide plate are obtained;

and step 3: importing the jaw data of the patient, the radiation guide plate and the jaw data of the patient obtained in the step 2, the independent data of the radiation guide plate and the intraoral upper and lower jaw gypsum model data of the patient obtained in the step 1 into GuideMia implantation design software, and analyzing jaw information in the software to design the number, the model and the three-dimensional position of the implant;

and 4, step 4: determining an implant guide plate coverage area according to the three-dimensional position distribution of the implant obtained in the step 3, selecting a corresponding surgical drill bit model and designing a position of a retention bone nail by avoiding the implant, then generating an implant guide plate model comprising a base part, a retention device and a drill bit guide device, printing and forming the implant guide plate model by a 3D printing technology, and mounting a metal lantern ring on the drill bit guide device;

and 5: and (3) selecting a corresponding repairing abutment above the implant according to the implant information obtained in the step (3), outputting a model with the implant and the abutment position through GuideMia implant design software, printing and forming the model through a 3D printing technology, arranging teeth on the model according to the implant and the abutment position, and manufacturing a temporary immediate prosthesis.

2. The method for manufacturing immediate prosthesis for edentulous jaw implantation as claimed in claim 1, wherein: in the step 1, the radiation guide plate is manufactured on the model, the shape of the radiation guide plate in the wearing opening is matched with the shape of the gum, the radiation guide plate is provided with radiation points which can be developed on the CBCT, the number of the radiation points is 6-8, and the radiation points are uniformly arranged on the surface of the radiation guide plate.

3. The method for manufacturing immediate prosthesis for edentulous jaw implantation as claimed in claim 1, wherein: in the step 4, the planting guide plate comprises a retention device, a base part and a drill point guide device;

the number of the retention devices is three, and the retention devices are respectively arranged in a front tooth area, a left front molar area and a right front molar area; the retention device is inserted into the jaw bone through the gum by a bone nail to fix the implant guide plate, and the depth of the implant guide plate inserted into the bone is 4-7 mm;

the shape of the base part is consistent with the anatomical shape of the jaw arch and is attached to the surface of the gum; the base portion covers the retention device, the drill guide, bucco-lingual gingiva; the thickness of the base part is 2-4 mm;

the drill point guide device is attached to the base part, the anatomical structure is consistent with the outer surface of the metal collar, and the inner diameter of the metal collar is consistent with the diameter of the planting drill point; the drill point guiding device guides the axial direction and the depth of the prepared hole of the drill point for the implant operation.

4. The method for manufacturing immediate prosthesis for edentulous jaw implantation as claimed in claim 1, wherein: the radiation point material of the radiation guide plate adopts gutta-percha points.

[ technical field ] A method for producing a semiconductor device

The invention belongs to the technical field of oral implantation, and particularly relates to a method for manufacturing a temporary immediate restoration for edentulous jaw implantation.

[ background of the invention ]

In recent years, the function of dental implant guide plate design software is rapidly developed, the 3D printing technology is continuously improved, the accuracy of implant operation is continuously improved, and after the implant is accurately positioned, a model with the accurate positions of the implant and a base platform can be output by using the design software, so that a temporary prosthesis is designed and manufactured in advance. The existing dental implant surgery and restoration technology are continuously perfected, the edentulous jaw implant becomes a conventional treatment scheme, but the manual positioning of the position of an implant in the traditional implant operation is unstable, and the optimal three-dimensional position of the implant is difficult to be accurately implemented.

The existing immediate implantation repairing mode needs to acquire data of an implant position after a patient performs an implant operation on the implant, and the manufacturing method is different from preoperative design and planning, so that the repairing effect is poor. And the temporary immediate prosthesis of the method is manufactured after operation, which requires more than 2 hours of design and manufacture time, thereby prolonging the treatment time of patients.

[ summary of the invention ]

The invention aims to provide a method for manufacturing an immediate restoration for edentulous jaw implantation, which is used for manufacturing a temporary immediate restoration before an operation, meets the requirement of wearing teeth of a patient on the same day, and has the advantages of high efficiency and low cost.

The invention is realized by the following steps:

a method for manufacturing a temporary immediate prosthesis for edentulous jaw implantation comprises the following steps:

step 1: preparing a plaster model of the upper jaw and the lower jaw in the mouth of a patient, and preparing a radiation guide plate with tooth arrangement, stable occlusion relation and radiation points on the plaster model; the method specifically comprises the following steps:

respectively obtaining model data in an STL format by using a sweep technology for the upper and lower jaw gypsum models;

importing the obtained STL model data into 3shape design software;

the base support boundary is drawn according to the dental restoration position of the patient, and the boundary covers the area containing the bucco-lingual frenulum, the vestibular sulcus and the palate;

designing dentition restoration on the base, and designing tooth arrangement with stable occlusion relation according to the size of dental arch, occlusion relation and jaw tooth anatomy of a patient;

finally, generating form data of the radiation guide plate, and manufacturing and forming a radiation guide plate model by using a 3D printing technology;

step 2: according to the radiation guide plate manufactured in the step 1, firstly, data of the radiation guide plate and a jaw bone of a patient are obtained by CBCT, and then, independent data of the radiation guide plate are obtained;

and step 3: importing the jaw data of the patient, the radiation guide plate and the jaw data of the patient obtained in the step 2, the independent data of the radiation guide plate and the intraoral upper and lower jaw gypsum model data of the patient obtained in the step 1 into GuideMia implantation design software, and analyzing jaw information in the software to design the number, the model and the three-dimensional position of the implant;

and 4, step 4: determining an implant guide plate coverage area according to the three-dimensional position distribution of the implant obtained in the step 3, selecting a corresponding surgical drill bit model and designing a position of a retention bone nail by avoiding the implant, then generating an implant guide plate model comprising a base part, a retention device and a drill bit guide device, printing and forming the implant guide plate model by a 3D printing technology, and mounting a metal lantern ring on the drill bit guide device;

and 5: and (3) selecting a corresponding repairing abutment above the implant according to the implant information obtained in the step (3), outputting a model with the implant and the abutment position through GuideMia implant design software, printing and forming the model through a 3D printing technology, arranging teeth on the model according to the implant and the abutment position, and manufacturing a temporary immediate prosthesis.

Further, in the step 1, a radiation guide plate is manufactured on the model, the radiation guide plate is worn in the mouth to be matched with the gum shape, the radiation guide plate is provided with radiation points which can be developed on the CBCT, the number of the radiation points is 6-8, and the radiation points are uniformly arranged on the surface of the radiation guide plate.

Further, in the step 4, the planting guide plate comprises a retention device, a base part and a drill point guide device;

the number of the retention devices is three, and the retention devices are respectively arranged in a front tooth area, a left front molar area and a right front molar area; the retention device is inserted into the jaw bone through the gum by a bone nail to fix the implant guide plate, and the depth of the implant guide plate inserted into the bone is 4-7 mm;

the shape of the base part is consistent with the anatomical shape of the jaw arch and is attached to the surface of the gum; the base portion covers the retention device, the drill guide, bucco-lingual gingiva; the thickness of the base part is 2-4 mm;

the drill point guide device is attached to the base part, the anatomical structure is consistent with the outer surface of the metal collar, and the inner diameter of the metal collar is consistent with the diameter of the planting drill point; the drill point guiding device guides the axial direction and the depth of the prepared hole of the drill point for the implant operation.

Furthermore, the radiation point material of the radiation guide plate adopts a gutta-percha point.

The invention has the advantages that:

1. the invention adopts digital design and 3D printing technology to finish the manufacturing of the radiation guide plate, and has higher efficiency and precision.

2. The invention utilizes the radiation guide plate to shoot the CBCT, and can accurately obtain the common three-dimensional position information of the jaw and the plaster model.

3. According to the invention, the metal guide ring is designed on the drill point guide device to guide the surgical drill point, so that the guide ring deformation of the drill point in the surgical process can be effectively avoided, and the metal guide ring can guide the drill point accurately.

4. The invention utilizes the planting software design and the 3D printing technology to manufacture the planting guide plate, and can effectively control the accurate positioning of the implant in the planting operation. The invention utilizes the accurate positioning of the planting guide plate, thereby leading the temporary immediate restoration manufactured before the planting operation to be worn into the mouth of a patient immediately after the planting operation, and realizing the accurate and high-efficiency planting operation and temporary restoration.

5. The invention designs and shapes the model with the implant and the position of the repair abutment, so that the temporary immediate prosthesis can be manufactured before the implant operation.

6. The immediate restoration in the prior art adopts the light-cured material, the rubber support material is used, the steel wire is used for reinforcing, and the strength and durability of the material are more in line with the actual requirements in the mouth than those of the light-cured material.

[ description of the drawings ]

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a planting guide in the present invention.

Fig. 2 is a schematic structural view of the temporary immediate prosthesis of the present invention.

[ detailed description ] embodiments