阅读说明：本技术 一种数字化牙模制作工艺 (Digital dental model manufacturing process ) 是由 李偲巧 于 2020-12-21 设计创作，主要内容包括：本申请涉及一种数字化牙模制作工艺,包括以下步骤：一：连接电脑扫描软件和扫描枪；二：将上支撑架套设在患者口中上牙齿处；三：手持扫描枪对下颌进行扫描；四：检测牙齿模型各个位置是否有数据缺失；五：补全牙齿模型缺失的数据；六：标记需要制作的牙位；七：将上支撑架从患者口腔中取出,将下支撑架套设在患者口中下牙齿处；八：操作扫描枪对患者的上颌进行扫描；九：检测牙齿模型各个位置是否有数据缺失；十：补全牙齿模型缺失的数据；十一：取下下支撑架,扫描患者上下牙齿的咬合关系；十二：保存牙齿的模型；十三：对牙齿的模型进行3D打印,制作出来牙模。本申请具有可以降低制作牙模时的繁琐性,减少制作时间,提高制作效率的效果。(The application relates to a digital dental model manufacturing process, which comprises the following steps: firstly, the method comprises the following steps: connecting computer scanning software and a scanning gun; II, secondly: sleeving the upper support frame on the upper teeth in the mouth of the patient; thirdly, the method comprises the following steps: the lower jaw is scanned by a handheld scanning gun; fourthly, the method comprises the following steps: detecting whether each position of the tooth model has data loss; fifthly: completing missing data of the tooth model; sixthly, the method comprises the following steps: marking the tooth position to be made; seventhly, the method comprises the following steps: taking the upper support frame out of the oral cavity of the patient, and sleeving the lower support frame on the lower teeth in the oral cavity of the patient; eighthly: operating a scanning gun to scan the upper jaw of the patient; nine: detecting whether each position of the tooth model has data loss; ten: completing missing data of the tooth model; eleven: taking down the lower support frame, and scanning the occlusion relation of the upper and lower teeth of the patient; twelve: saving a model of the tooth; thirteen: and 3D printing is carried out on the model of the tooth to manufacture the tooth model. The method has the advantages of reducing complexity in manufacturing the dental cast, shortening manufacturing time and improving manufacturing efficiency.)

1. A digital dental model manufacturing process is characterized by comprising the following steps:

the method comprises the following steps: electrically connecting computer scanning software with a scanning gun, and waiting for the scanning gun to be heated;

step two: sleeving the upper support frame on the upper teeth in the mouth of the patient, and expanding the cheek parts at the teeth below the patient;

step three: after the scanning gun is heated, an operator holds the scanning gun by hand to scan the lower jaw of the patient;

step four: detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display;

step five: operating the scanning gun to carry out transformation of different angles and completing missing data of the tooth model;

step six: marking the tooth position to be made on the tooth model displayed on the computer display;

step seven: taking the upper support frame out of the oral cavity of the patient, sleeving the lower support frame on the middle and lower teeth of the oral cavity of the patient, and expanding the cheek parts of the upper teeth of the patient;

step eight: an operator holds the scanning gun to scan the upper jaw of the patient;

step nine: detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display;

step ten: operating the scanning gun to carry out transformation of different angles and completing missing data of the tooth model;

step eleven: taking down the lower support frame to ensure that the upper and lower teeth of the patient are normally occluded, and scanning the occlusion relation of the upper and lower teeth of the patient by holding a scanning gun in hand;

step twelve: saving a model of the tooth;

step thirteen: and 3D printing is carried out on the model of the tooth to manufacture the tooth model.

2. The digital dental model manufacturing process according to claim 1, wherein: go up the support frame and establish tooth facing (1) and rigid coupling that the cross-section is the U-shaped and is used for fixed support frame position on the tooth including the cover two backup pads (2) at tooth facing (1) both ends, backup pad (2) are located facing (1) open end, facing (1) are in including interior cover (11) and the rigid coupling that are located the tooth inboard overcoat (12) of endotheca (11) one side, backup pad (2) rigid coupling is in overcoat (12) are kept away from overcoat (12) with one side that endotheca (11) are connected, backup pad (2) are located overcoat (12) are kept away from the one side of endotheca (11), backup pad (2) are kept away from one side of overcoat (12) is used for strutting the buccal part of patient downside tooth department and supplies the scanning rifle to put into.

3. The digital dental model manufacturing process according to claim 2, wherein: one side of the inner sleeve (11) far away from the outer sleeve (12) is gradually close to the outer sleeve (12).

4. The digital dental model manufacturing process according to claim 2, wherein: the overcoat (12) include with fixed plate (121), the detachable connection of endotheca (11) rigid coupling are in detachable plate (122) and connection on fixed plate (121) are adjacent two connecting plate (123) between detachable plate (122), detachable plate (122) shape is roughly the rectangle and is used for when needs on-the-spot dismantlement, backup pad (2) rigid coupling is in simultaneously detachable plate (122) with connecting plate (123) are kept away from one side of fixed plate (121).

5. The digital dental model manufacturing process according to claim 4, wherein: and easy-to-tear lines (124) are arranged between the detachable plate (122) and the connecting plate (123) and between the detachable plate (122) and the fixing plate (121).

6. The digital dental model manufacturing process according to claim 5, wherein: an easy-to-tear line (124) is arranged between the connecting plate (123) and the fixing plate (121).

7. The digital dental model manufacturing process according to claim 4, wherein: the detachable plate (122) is bent towards one end of the fixed plate (121) from two sides to the middle to form a first bending angle (125).

8. The digital dental model manufacturing process according to claim 4, wherein: detachable plate (122) orientation one end of backup pad (2) is bent from both sides to the centre and is formed second bent angle (126), second bent angle (126) set up with detachable plate (122) that backup pad (2) are connected.

9. The digital dental model making process according to any one of claims 1 to 8, wherein: the lower support frame and the upper support frame are identical in structure.

10. The digital dental model manufacturing process according to claim 1, wherein: and thirteen step, when the model of the dental model is subjected to 3D printing, the pure titanium laser printing support is adopted for carrying out laser 3D printing.

Technical Field

The application relates to the field of dental model manufacturing, in particular to a digital dental model manufacturing process.

Background

Along with the gradual improvement of living standard of people, the incidence rate of decayed teeth is higher and higher. The most common method for treating dental caries is false tooth inlay, and the fabrication of false teeth requires that a tooth mold is fabricated first. In the prior art, a method for manufacturing a dental model includes that a doctor firstly takes a model from the oral cavity of a patient, then sends the model printed with a tooth groove to a manufacturing unit, and a designer directly pours plaster into the tooth groove, fills concave bubbles, repairs horseshoe shapes, seeds, adds a plaster base, and starts to cut a substitute model after the plaster is solidified and formed, so that the dental model consistent with the teeth of the oral cavity of the patient is obtained. Although the method has low technical requirements, the method has the disadvantages of complicated process, long manufacturing period and very troublesome operation.

Disclosure of Invention

In order to reduce the complexity in manufacturing the dental model, reduce the manufacturing time and improve the manufacturing efficiency, the application provides a digital dental model manufacturing process.

The digital dental model manufacturing process provided by the application adopts the following technical scheme:

a digital dental model manufacturing process comprises the following steps:

the method comprises the following steps: electrically connecting computer scanning software with a scanning gun, and waiting for the scanning gun to be heated;

step two: sleeving the upper support frame on the upper teeth in the mouth of the patient, and expanding the cheek parts at the teeth below the patient;

step three: after the scanning gun is heated, an operator holds the scanning gun by hand to scan the lower jaw of the patient;

step four: detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display;

step five: operating the scanning gun to carry out transformation of different angles and completing missing data of the tooth model;

step six: marking the tooth position to be made on the tooth model displayed on the computer display;

step seven: taking the upper support frame out of the oral cavity of the patient, sleeving the lower support frame on the middle and lower teeth of the oral cavity of the patient, and expanding the cheek parts of the upper teeth of the patient;

step eight: an operator holds the scanning gun to scan the upper jaw of the patient;

step nine: detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display;

step ten: operating the scanning gun to carry out transformation of different angles and completing missing data of the tooth model;

step eleven: taking down the lower support frame to ensure that the upper and lower teeth of the patient are normally occluded, and scanning the occlusion relation of the upper and lower teeth of the patient by holding a scanning gun in hand;

step twelve: saving a model of the tooth;

step thirteen: and 3D printing is carried out on the model of the tooth to manufacture the tooth model.

Through adopting above-mentioned technical scheme, couple together back with computer scanning software and scanning rifle, just can directly carry out the record through the scanning chamber and model the tooth mould shape of patient, then print through 3D and just can be directly print out patient's tooth mould is the model, accomplish the preparation of tooth mould, the loaded down with trivial details nature when greatly reduced preparation tooth mould has reduced the preparation time, has improved preparation efficiency.

Optionally, go up the support frame and establish tooth socket and rigid coupling that the cross-section was used for fixed support frame position for U-shaped on the tooth including the cover two backup pads at tooth socket both ends, the backup pad is located the tooth socket open end, the tooth socket is in including the endotheca and the rigid coupling that are located the tooth inboard the overcoat of endotheca one side, the backup pad rigid coupling is in the overcoat is kept away from the overcoat with one side that the endotheca is connected, the backup pad is located the overcoat is kept away from the one side of endotheca, the backup pad is kept away from one side of overcoat is used for strutting the buccal part of patient's downside and supplies.

Through adopting above-mentioned technical scheme, the facing sleeve can be established on the tooth of patient top, and the backup pad can support the cheek of patient below to prop open patient's oral cavity, the operator just can directly scan the lower jaw from between backup pad and the tooth of below with the scanning rifle.

Optionally, one side of the inner sleeve, which is far away from the outer sleeve, gradually approaches the outer sleeve in the direction of the outer sleeve.

By adopting the technical scheme, the cavity at the joint of the inner sleeve and the outer sleeve is larger, so that teeth can be placed in the cavity, and the opening at one side of the inner sleeve and the outer sleeve, which is far away from the connection, is smaller so that the inner sleeve and the outer sleeve can be clamped at the teeth of a patient, so that the fixation is firmer.

Optionally, the overcoat include with the fixed plate of endotheca rigid coupling, can dismantle the connection and be in removable board on the fixed plate and connection are adjacent two connecting plate between the removable board, removable board shape is roughly the rectangle and is used for when needs on-the-spot dismantlement, the backup pad is while the rigid coupling is in removable board with the connecting plate is kept away from one side of fixed plate.

Through adopting above-mentioned technical scheme, when certain patient has bucktooth etc. to influence support frame and installs on the tooth, can directly demolish the removable board of this outstanding tooth department, the operation is more nimble, and application range is wider.

Optionally, the detachable plate and the connecting plate, and the detachable plate and the fixing plate are provided with an easy-to-tear line therebetween.

Through adopting above-mentioned technical scheme, when needs pull down removable board, the operator directly on-the-spot with the hand just can pull down removable board, need not to process manufacturing in addition, it is more convenient to operate.

Optionally, an easy-to-tear line is arranged between the connecting plate and the fixing plate.

Through adopting above-mentioned technical scheme, when the scope that needs demolish is great, can pull down a plurality of adjacent removable boards and the connecting plate of connection between two adjacent removable boards.

Optionally, the detachable plate is bent towards one end of the fixed plate from two sides to the middle to form a first bending angle.

Through adopting above-mentioned technical scheme, the connection area between removable board and the fixed plate can be reduced in setting up of first bent angle, increases the connection area between connecting plate and the fixed plate, and the dismantlement of the removable board of being convenient for more pulls down the removable board simultaneously and is connected more firmly with the connecting plate that this removable board is connected with the fixed plate.

Optionally, the detachable plate is towards one end of the support plate is bent from two sides to the middle to form a second bending angle, and the second bending angle is arranged on the detachable plate connected with the support plate.

Through adopting above-mentioned technical scheme, can reduce the area of being connected of removable board and backup pad, after the removable board of being connected with the backup pad is pulled down, can not lead to the fact the influence to the connection stability of backup pad.

Optionally, the lower support frame and the upper support frame have the same structure.

Through adopting above-mentioned technical scheme, when needs scan the lower jaw, use the upper bracket to support the oral cavity, when needs scan the upper jaw, use the under carriage to support the oral cavity, can not cause the influence to the normal scanning of scanning rifle.

Optionally, in the thirteenth step, when the model of the dental cast is subjected to 3D printing, the pure titanium laser printing support is adopted for laser 3D printing.

Through adopting above-mentioned technical scheme, the laser 3D who prints the support is printed to pure titanium laser prints the cost lower, and efficiency is higher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the upper supporting frame and the lower supporting frame are arranged, so that the oral cavity of a patient can be automatically supported, an operator can scan the teeth of the patient through a scanning gun to obtain a tooth model, and finally the tooth model can be printed through 3D printing;

2. due to the arrangement of the detachable plate, when the bucktooth and the like of a patient needing scanning affect the normal installation of the support frame, the detachable plate at the corresponding position can be directly detached, so that the operation is more flexible;

3. the setting of easily tearing the line makes when needs pull down removable board, and the operator is direct manual just can pull down removable board, need not to rework in addition, and it is more convenient to operate.

Drawings

Fig. 1 is a schematic overall flow diagram of the present application.

Fig. 2 is a schematic view for embodying the structure of the upper support frame.

Fig. 3 is a schematic view of the structure with one of the supporting plates hidden.

Description of reference numerals: 1. a tooth socket; 11. an inner sleeve; 12. a jacket; 121. a fixing plate; 122. a removable panel; 123. a connecting plate; 124. an easily torn line; 125. a first bend angle; 126. a second bend angle; 2. and a support plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a digital dental model manufacturing process. Referring to fig. 1, the digital dental cast manufacturing process includes the following steps,

the method comprises the following steps: electrically connecting scanning software on a computer with a scanning gun, and starting the scanning software on the computer to wait for the scanning gun to be heated, wherein the scanning software can select 3shape Trios scanning software, and the scanning gun can select a Trios scanning gun matched with the scanning software;

step two: sleeving the upper support frame on the upper teeth in the mouth of the patient, and expanding the cheek parts at the teeth below the patient;

referring to fig. 2, upper strut frame is the transparent PVC material of medical grade optionally, including the facing (1) that the cross-section of cover on the tooth is the U-shaped and is used for fixing the upper strut position and the backup pad 2 of rigid coupling at facing (1) both ends, facing (1) is including lieing in the inboard endotheca (11) of tooth and lieing in the overcoat (12) of tooth outside, endotheca (11) and overcoat (12) one side rigid coupling, endotheca (11) and overcoat (12) other end are close to each other to the card is on the gum of tooth. The support plates 2 are fixedly connected to one side of the outer sleeve 12, which is far away from the inner sleeve 11, and are located on one side of the outer sleeve 12, which is far away from the inner sleeve 11, the two support plates 2 are respectively fixedly connected to two ends of the outer sleeve 12, the support plates 2 are approximately arc-shaped, and the arc openings of the support plates face the direction of the tooth socket 1. When the tooth socket 1 is sleeved on the teeth above the patient, the supporting plate 2 abuts against the gum below the patient to prop open the cheek below the patient, so that an operator can conveniently operate the lower jaw from the inside of the supporting plate 2.

Referring to fig. 2 and 3, the outer sleeve 12 includes a fixed plate 121 fixedly connected to the inner sleeve 11, a plurality of detachable plates 122 detachably connected to a side of the fixed plate 121 away from the inner sleeve 11, and a connecting plate 123 detachably connected between two adjacent detachable plates 122, wherein the plurality of detachable plates 122 are arranged side by side along a length direction of the outer sleeve 12. The one side of fixed plate 121 is kept away from at removable board 122 and connecting plate 123 to the rigid coupling simultaneously of backup pad 2, and wherein removable board 122 is the rectangle roughly, and the tooth of the patient top of wearing the support frame when needs have bucktooth, wisdom tooth etc. to influence facing 1 cover and establish on the tooth, the operator can directly pull down the removable board 122 of corresponding position to make the support frame can adapt to different patients' needs.

All around of removable board 122 remove all the other each limits in one side of backup pad 2 rigid coupling be connected and all be provided with easily tear line 124, specific, all be connected through easily tearing line 124 between removable board 122 and the connecting plate 123 and between removable board 122 and fixed plate 121, when needs are dismantled certain removable board 122, operator's direct application of force just can be pulled down removable board 122, and it is more convenient to dismantle, and need not to return factory's processing, operates more in a flexible way.

All sides of the periphery of each connecting plate 123 except the side fixedly connected with the supporting plate 2 are also provided with easy-to-tear lines 124, and specifically, the connecting plates 123 are connected with the fixing plate 121 through the easy-to-tear lines 124. When influence the bucktooth of wearing the support frame, wisdom tooth etc. length is longer, can directly pull down a plurality of removable boards 122 and the connecting plate 123 of connection between removable board 122, it is more convenient to operate.

Meanwhile, one end of each detachable plate 122, which is close to the fixed plate 121, is bent from two sides to the middle to form a first bending angle 125, so that the connection area between the detachable plate 122 and the fixed plate 121 can be reduced, the connection area between the connecting plate 123 and the fixed plate 121 can be increased, and the normal connection of the connecting plate 123 cannot be affected after the detachable plate 122 is detached.

One end of each detachable plate 122, which is close to the support plate 2, is bent from two sides to the middle to form a second bending angle 126, the second bending angle 126 is arranged on each detachable plate 122 connected with the support plate 2, the arrangement of the second bending angles 126 can reduce the connection area between the detachable plate 122 and the support plate 2 and increase the connection area between the connection plate 123 and the support plate 2, so that when the detachable plate 122 connected with the support plate 2 is detached, the connection area between the detachable plate 122 and the support plate 2 is small, and therefore the connection between the detachable plate 122 and the support plate 2 can be easily released; because the connecting area between connecting plate 123 and the backup pad 2 is more, so connecting plate 123 can play the fixed effect of support to backup pad 2, fixes more stably.

Step three: after the scanning gun is heated, an operator holds the scanning gun by hand to scan the lower jaw of the patient; when scanning, the occlusal surface is firstly started, the scanning is slowly carried out from one end of the tooth to the other end, then the scanning gun is slightly rotated to the lingual side for scanning, then the scanning gun is rotated to the buccal side from the laminating surface for scanning, and when the lingual side and the buccal side are scanned, the whole course of the scanning gun keeps an included angle of 45 degrees with the tooth.

Step four: and detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display.

Step five: and operating the scanning gun to perform transformation at different angles on missing data which can influence the positions of the adjacent points of the post-production dental model, completing the missing data of the dental model, and checking the dental model again until the missing data which can influence the post-production is avoided.

Step six: the tooth position to be made is marked on the tooth model displayed on the computer display.

Step seven: taking the upper support frame out of the oral cavity of the patient, sleeving the lower support frame on the middle and lower teeth of the oral cavity of the patient, and expanding the cheek parts of the upper teeth of the patient; the structure of the lower support frame is identical to that of the upper support frame, and the difference is only in the size and the bending radian, which is not described in detail herein.

Step eight: the handheld scanning rifle of operator scans patient's upper jaw, starts from the occlusal surface earlier during the scanning, scans from the one end of tooth to the other end slowly, rotates the scanning rifle slightly afterwards to tongue side scanning, then rotates to the buccal side from the pressfitting face and scans, when scanning tongue side and buccal side, the scanning rifle is whole to keep being 45 degrees contained angles with the tooth.

Step nine: and detecting whether data are missing at each position of the tooth model or not through a scanning picture displayed on a computer display.

Step ten: and operating the scanning gun to perform transformation at different angles on missing data which can influence the positions of the adjacent points of the post-production dental model, completing the missing data of the dental model, and checking the dental model again until the missing data which can influence the post-production is avoided.

Step eleven: the lower support frame is taken down, the upper teeth and the lower teeth of the patient are normally occluded, and the occlusion relation of the upper teeth and the lower teeth of the patient is scanned by the handheld scanning gun.

Step twelve: a model of the teeth is saved.

Step thirteen: 3D printing is carried out on the model of the tooth, and a tooth model is manufactured; pick up the tooth colour according to the tooth before printing to select and print the required material of dental cast, adopt pure titanium laser to print the support and carry out laser 3D and print, its cost is lower, and the preparation efficiency is higher.

The implementation principle of the digital dental model manufacturing process in the embodiment of the application is as follows: when the dental model is used, the upper support frame and the lower support frame with different sizes and different radian specifications can be manufactured in batches according to different age groups and different tooth profiles, and when a dental model before the false tooth is manufactured by a patient, the upper support frame and the lower support frame with proper sizes are selected according to the tooth profile of the patient to assist an operator to scan and establish the dental model for the patient. The operator only need contact upper bracket and bottom suspension strut just can support patient's cheek in this application, just can scan out patient's tooth model through the scanning rifle, prints through 3D at last and just can print out the tooth model, and the method process that adopts the gypsum to carry out model making among the correlation technique still less compares, and it is more convenient to operate, and the preparation cycle also significantly reduces, has still improved the preparation efficiency simultaneously greatly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.