阅读说明：本技术 一种义齿石膏模型数字化扫描方法 (Digital scanning method for denture plaster model ) 是由 李子霞 于 2020-12-21 设计创作，主要内容包括：本申请涉及一种义齿石膏模型数字化扫描方法,涉及义齿扫描设备的技术领域,其包括如下步骤：S1、安装牙模：将上牙模或者下牙模安装到扫描仪上；S2、扫描牙模：建立三维模型；S3、更换牙模：更换未扫描的牙模,重复步骤S2；S4、牙模咬合：将上牙模和下牙模咬合后固定在牙模咬合夹具上,将牙模咬合夹具安装在扫描仪上,重复步骤S2；S5、基台建模：将基台安装在扫描仪上,重复步骤S2；S6、数据上传：将建立的所有三维模型上传。本申请具有义齿扫描时简单方便,提高工作效率的效果。(The application relates to a digital scanning method of a denture plaster model, which relates to the technical field of denture scanning equipment and comprises the following steps: s1, installing a dental model: mounting the upper dental cast or the lower dental cast on the scanner; s2, scanning the dental model: establishing a three-dimensional model; s3, replacing the dental model: replacing the non-scanned dental model and repeating the step S2; s4, occlusion of the dental model: after occluding the upper dental model and the lower dental model, fixing the upper dental model and the lower dental model on a dental model occlusion clamp, installing the dental model occlusion clamp on a scanner, and repeating the step S2; s5, modeling of a base station: mounting the base on the scanner, and repeating step S2; s6, data uploading: and uploading all the established three-dimensional models. This application is simple and convenient when having artificial tooth scanning, improves work efficiency's effect.)

1. A digital scanning method for a denture plaster model is characterized in that:

the method comprises the following steps:

s1, installing a dental model: mounting the upper dental cast (4) or the lower dental cast (5) on the scanner (1);

s2, scanning the dental model: establishing a three-dimensional model;

s3, replacing the dental model: replacing the non-scanned dental model and repeating the step S2;

s4, occlusion of the dental model: after occluding the upper dental model (4) and the lower dental model (5), fixing the upper dental model and the lower dental model on a dental model occlusion clamp (3), installing the dental model occlusion clamp (3) on the scanner (1), and repeating the step S2;

s5, modeling of a base station: mounting the base on the scanner (1), and repeating step S2;

s6, data uploading: and uploading all the established three-dimensional models.

2. The digital scanning method for the denture plaster model according to claim 1, characterized in that: before the step S1, preparation work needs to be added to clean the dental cast.

3. The digital scanning method for the denture plaster model according to claim 1, characterized in that: before the step S1, corresponding labels are respectively provided on the upper dental cast (4) and the lower dental cast (5).

4. The digital scanning method for the denture plaster model according to claim 1, characterized in that: dental model interlock anchor clamps (3) include the centre gripping subassembly and set up installed part (31) in the centre gripping subassembly bottom, installed part (31) are installed on scanner (1), the centre gripping subassembly includes punch holder (32), lower plate (33) and connects a plurality of elastic connection spare (34) between punch holder (32) and lower plate (33), installed part (31) fixed connection be in the bottom of lower plate (33).

5. The digital scanning method for the denture plaster model according to claim 4, wherein: the upper end of elastic connecting piece (34) pass through first universal joint (35) with punch holder (32) are connected, first universal joint (35) include first connecting piece (351) and first connecting piece (352) down, first connecting piece (352) down with elastic connecting piece (34) top fixed connection, screw hole (3511) have been seted up on the top of first connecting piece (351), wear to be equipped with connecting screw (321) on punch holder (32), connecting screw (321) and the first screw hole (3511) screw-thread fit of being connected of going up.

6. The digital scanning method for the denture plaster model according to claim 4, wherein: the bottom of elastic connecting piece (34) pass through second universal joint (36) with lower plate (33) are connected, second universal joint (36) are including connecting piece (361) and second lower connecting piece (362) on the second, on the second connecting piece (361) with elastic connecting piece (34) bottom fixed connection, second lower connecting piece (362) with lower plate (33) millet fixed connection.

7. The digital scanning method for the denture plaster model according to claim 4, wherein: the elastic connecting pieces (34) comprise a telescopic rod (341) and a tension spring (342) sleeved outside the telescopic rod (341), the telescopic rod (341) and the upper end of the tension spring (342) are fixedly connected with a second upper connecting piece (361) of a first universal joint (35), and the telescopic rod (341) and the lower end of the tension spring (342) are fixedly connected with a second upper connecting piece (361) of a second universal joint (36).

8. The digital scanning method for the denture plaster model according to claim 7, wherein: the elastic connecting piece (34) further comprises a protective rubber sleeve (343) sleeved outside the tension spring (342).

Technical Field

The application relates to the field of false teeth, in particular to a digital scanning method for a false tooth plaster model.

Background

The false tooth scanner is a special device for scanning a tooth mold, is convenient for three-dimensional tooth modeling and false tooth processing, rapidly acquires three-dimensional model data of a tooth model in a 'photographing' mode, manufactures a three-dimensional model of a defective tooth through a set of digital processing software, and then manufactures a false tooth. When scanning the tooth model, the tooth model needs to be clamped on a tooth scanner. According to different positions of the tooth defects of the patient, different tooth models are required to be manufactured, such as an upper tooth model, a lower tooth model, a full tooth model, a single tooth model and the like. During scanning, the upper dental model and the lower dental model need to be scanned respectively, the upper dental model and the lower dental model need to be scanned in an occlusion state, and a single-tooth abutment needs to be scanned. In the existing scanning method, the upper dental cast and the lower dental cast are not stably placed in the occlusion state, and are not easy to fix during scanning, so that the operation is very troublesome, and the working efficiency is influenced.

Disclosure of Invention

In order to make the denture scan simple and convenient and improve the working efficiency, the application provides a digital scanning method for the denture plaster model.

The digital scanning method for the denture plaster model adopts the following technical scheme:

a digital scanning method for a denture plaster model comprises the following steps:

s1, installing a dental model: mounting the upper dental cast or the lower dental cast on the scanner;

s2, scanning the dental model: establishing a three-dimensional model;

s3, replacing the dental model: replacing the non-scanned dental model and repeating the step S2;

s4, occlusion of the dental model: after occluding the upper dental model and the lower dental model, fixing the upper dental model and the lower dental model on a dental model occlusion clamp, installing the dental model occlusion clamp on a scanner, and repeating the step S2;

s5, modeling of a base station: mounting the base on the scanner, and repeating step S2;

s6, data uploading: and uploading all the established three-dimensional models.

By adopting the technical scheme, the upper dental model, the lower dental model and the base station are scanned in sequence, and the dental model occlusion fixture can fix the upper dental model and the lower dental model which are occluded, so that the dental model occlusion fixture is convenient to scan and improves the working efficiency.

Optionally, before the step S1, a preparation work is added to clean the dental cast.

By adopting the technical scheme, the cleaning dental model can avoid the influence of stains on the dental model on the three-dimensional modeling.

Optionally, before step S1, corresponding labels are respectively set on the upper dental model and the lower dental model.

Through adopting above-mentioned technical scheme, can make things convenient for in the last dental model and the lower dental model that discernment can want mutual interlock, avoid the mistake to match unmatched last dental model and lower dental model.

Optionally, the dental cast occlusion clamp comprises a clamping assembly and a mounting piece arranged at the bottom end of the clamping assembly, the mounting piece is mounted on the scanner, the clamping assembly comprises an upper clamping plate, a lower clamping plate and a plurality of elastic connecting pieces connected between the upper clamping plate and the lower clamping plate, and the mounting piece is fixedly connected to the bottom end of the lower clamping plate.

Through adopting above-mentioned technical scheme, go up the dental cast and can elasticity centre gripping between last splint and lower splint with lower dental cast, and dental cast interlock anchor clamps can adapt to not co-altitude last dental cast and lower dental cast.

Optionally, the upper end of the elastic connecting piece is connected with the upper clamping plate through a first universal joint, the first universal joint comprises a first upper connecting piece and a first lower connecting piece, the first lower connecting piece is fixedly connected with the top end of the elastic connecting piece, a threaded hole is formed in the top end of the first upper connecting piece, a connecting screw is arranged on the upper clamping plate in a penetrating mode, and the connecting screw is in threaded fit with the first threaded hole connected with the upper clamping plate.

By adopting the technical scheme, the elastic connecting piece is connected with the upper clamping plate through the first universal joint, so that the angle between the elastic connecting piece and the upper clamping plate can be adjusted, and the flexibility of the position of the upper clamping plate is improved; the first upper connecting piece of the first universal joint is detachably connected with the upper clamping plate through the connecting screw, so that the installation and the disassembly are convenient, and an upper dental model and a lower dental model which are occluded in an upper mode are conveniently placed between the upper clamping plate and the lower clamping plate.

Optionally, the bottom of elastic connection spare pass through the second universal joint with the lower plate is connected, the second universal joint includes connecting piece and second lower connecting piece on the second, the second go up the connecting piece with elastic connection spare bottom fixed connection, the second lower connecting piece with lower plate millet fixed connection.

Through adopting above-mentioned technical scheme, elastic connection spare's bottom is passed through the second universal joint and is connected with the lower plate for the angle between elastic connection spare and the lower plate can be adjusted, improves the flexibility of lower plate position.

Optionally, it is a plurality of elastic connection spare includes that telescopic link and cover establish the extension spring outside the telescopic link, the telescopic link with connecting piece fixed connection is gone up to the upper end of extension spring and the second of first universal joint, the telescopic link with connecting piece fixed connection is gone up to the lower extreme of extension spring and the second of second universal joint.

Through adopting above-mentioned technical scheme, the telescopic link can support the punch holder, and the extension spring can spur punch holder and lower plate to the tooth mould is gone up in the centre gripping and lower tooth mould.

Optionally, the elastic connecting piece further comprises a protective rubber sleeve sleeved outside the tension spring.

Through adopting above-mentioned technical scheme, protection gum cover material is soft, can avoid the extension spring to cause the damage of drawing to last dental cast and lower dental cast.

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

1. the upper dental model, the lower dental model and the abutment are scanned in sequence, so that the operation is convenient, and the working efficiency can be improved;

2. go up the dental cast and can elasticity centre gripping between last splint and lower splint with lower dental cast, and dental cast interlock anchor clamps can adapt to not co-altitude last dental cast and lower dental cast.

Drawings

FIG. 1 is a flow chart of a method of digitally scanning a denture plaster model;

figure 2 is a schematic view of a dental cast bite fixture mounted to a scanner;

FIG. 3 is an exploded view of the dental cast bite fixture;

fig. 4 is a schematic structural view of the elastic connection member, the first gimbal and the second gimbal of the dental cast engaging jig.

Description of reference numerals: 1. a scanner; 2. rotating the disc; 3. a dental model occlusion clamp; 31. a mounting member; 32. an upper splint; 321. a connecting screw; 33. a lower splint; 34. an elastic connecting member; 341. a telescopic rod; 342. a tension spring; 343. a protective rubber sleeve; 35. a first universal joint; 351. a first upper connecting member; 3511. a threaded hole; 352. a first lower connecting member; 36. a second universal joint; 361. a second upper connecting member; 362. a second lower connecting member; 4. an upper dental model; 5. and (4) a lower dental model.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a digital scanning method for a denture plaster model. Referring to He 1, the method comprises the following steps:

s0, preparation: the tooth mould is cleaned, and corresponding labels are respectively arranged on the upper tooth mould 4 and the lower tooth mould 5 which are matched with each other.

S1, installing a dental model: the upper dental cast 4 or the lower dental cast 5 is mounted on the scanner 1.

S2, scanning the dental model: and establishing a three-dimensional model.

S3, replacing the dental model: the non-scanned dental model is replaced and step S2 is repeated.

S4, occlusion of the dental model: the upper dental cast 4 and the lower dental cast 5 are engaged and fixed to the dental cast engaging jig 3, the dental cast engaging jig 3 is mounted on the scanner 1, and the step S2 is repeated.

S5, modeling of a base station: the base is attached to the scanner 1, and step S2 is repeated.

S6, data uploading: and uploading all the established three-dimensional models.

In the above step S4, after the upper dental cast 4 and the lower dental cast 5 to be engaged are fixed by the dental cast engaging jig 3, the scanning is more convenient and the work efficiency can be improved.

Referring to fig. 2 and 3, the dental cast engaging jig 3 includes a clamping assembly and a mounting member 31 provided at a bottom end of the clamping assembly, the mounting member 31 being capable of being coupled to the rotary disk 2 of the scanner 1, the clamping assembly including an upper plate 32, a lower plate 33, and a plurality of elastic coupling members 34 coupled between the upper plate 32 and the lower plate 33, the mounting member 31 being fixedly coupled to a bottom end of the lower plate 33.

Referring to fig. 2 and 3, the number of the elastic connection members 34 may be set to three and evenly distributed at the edges of the upper and lower jaws 32 and 33. Each elastic connector 34 comprises an expansion link 341, a tension spring 342 sleeved outside the expansion link 341, and a protective rubber sleeve 343 sleeved outside the tension spring 342. The telescopic link 341 can support the punch holder 32, and the extension spring 342 can stimulate the punch holder 32 and the lower splint 33 to clamp the upper dental cast 4 and the lower dental cast 5, and the protective rubber sleeve 343 material can avoid the extension spring 342 to scratch the upper dental cast 4 and the lower dental cast 5.

Referring to fig. 3 and 4, the upper end of the elastic connecting member 34 is movably connected to the upper plate 32 through a first universal joint 35, and the lower end thereof is movably connected to the lower plate 33 through a second universal joint 36, and both the first universal joint 35 and the second universal joint 36 may be ball-and-socket universal joints. The first gimbal 35 has a first upper connecting member 351 and a first lower connecting member 352 movably connected by a hinge ball. The top end of the first upper connecting piece 351 is provided with a threaded hole 3511, the upper clamping plate 32 is provided with a connecting screw 321 in a penetrating manner, and the connecting screw 321 is in threaded fit with the threaded hole 3511 of the first upper connecting piece 351. The top end of the telescopic rod 341 and the top end of the tension spring 342 are both fixedly connected to the first lower connecting piece 352. The second universal joint 36 has a second upper connecting member 361 and a second lower connecting member 362 that are movably connected by a hinge ball. The bottom ends of the telescopic rod 341 and the tension spring 342 are both fixedly connected with a second upper connecting piece 361, and a second lower connecting piece 362 is fixedly connected with the lower clamping plate 33.

The first and second gimbals 35 and 36 can improve the flexibility of the dental cast engaging jig 3 and can be adapted to the upper and lower dental casts 4 and 5 of different heights. Furthermore, the upper splint 32 and the lower splint 33 can be inclined at any angle to adapt to various positions and angles of occlusion of the upper dental cast 4 and the lower dental cast 5.

The implementation principle of the digital scanning method for the denture plaster model in the embodiment of the application is as follows: the upper dental model 4, the lower dental model 5 and the abutment are sequentially arranged on a scanner for scanning, a three-dimensional model is established, and the dental model occlusion clamp 3 can fix the occluded upper dental model 4 and the occluded lower dental model 5; the dental cast occlusion clamp 3 can adapt to the upper dental cast 4 and the lower dental cast 5 with different heights, and can adapt to the occlusion conditions of various positions and angles of the upper dental cast 4 and the lower dental cast 5, so that the operation is convenient, and the working efficiency is improved.

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.