阅读说明：本技术 人工牙成型装置及其方法 (Artificial tooth forming device and method ) 是由 俞学东 于 2018-04-07 设计创作，主要内容包括：根据本发明,通过基于运算控制单元(10)指令的升降工具(20)与过滤单元(50)的驱动而根据人工牙(T)的截面积反复进行陶瓷混合液(S)浸泡与紫外线固化。(According to the present invention, the immersion of the ceramic mixed liquid (S) and the ultraviolet curing are repeated according to the cross-sectional area of the artificial tooth (T) by driving the elevating tool (20) and the filter unit (50) based on the instruction of the arithmetic control unit (10).)

1. An artificial tooth forming device is characterized in that,

the method comprises the following steps:

an operation control unit (10) which operates the three-dimensional curve data (D _ g) required when the artificial tooth is formed, converts the three-dimensional curve data into continuous fault data (D _ l), and outputs the fault data;

an elevating tool (20) for immersing a table top (22) for molding an artificial tooth in a gel-type ceramic mixed solution (S) in which powdered ceramic and an ultraviolet curing agent are mixed, for a predetermined time period, on the basis of tomographic data (D _ l) from an arithmetic control unit (10) in order to generate the artificial tooth (T);

a water tank (30) for storing a ceramic mixed solution (S) for immersing the molding table (22) of the lifting tool (20);

an irradiation tool (40) which irradiates ultraviolet rays onto a molding table (22) which is in contact with the ceramic mixed liquid (S) contained in the water tank (30); and

and a filtering unit (50) for filtering ultraviolet irradiation fields (S _1, S _2, … …, S _ n) which irradiate the forming table (22) with ultraviolet rays irradiated by the irradiation tool (40) according to the tomographic data (D _ l) outputted by the arithmetic control unit (10) in the ultraviolet irradiation fields (S _1, S _2, … …, S _ n).

2. The artificial tooth molding apparatus according to claim 1,

the arithmetic control unit (10) converts three-dimensional curve data (D _ g) required for molding the artificial tooth into tomographic data (D _ l) having a continuous cross section and outputs the tomographic data,

the filter unit (50) is controlled so as to irradiate ultraviolet rays corresponding to the cross section of the artificial tooth for artificial tooth molding based on the tomographic data (D _ l).

3. The artificial tooth molding apparatus according to claim 2,

the filter unit (50) is configured to shield electromagnetic waves with polarization in pixel units.

4. The artificial tooth molding apparatus according to claim 2,

when a molding table (22) of an artificial tooth (T) is immersed in a ceramic mixed liquid (S) by an elevating tool (20), an arithmetic control unit (10) controls ultraviolet irradiation regions (S _1, S _2, … …, S _ n) which are light transmission regions of a filter unit (50) so that ultraviolet rays are transmitted from an alveolar bone part of the artificial tooth in a region corresponding to the cross-sectional regions (S _1 ', S _2 ', … …, S _ n ').

5. The artificial tooth molding apparatus according to claim 4,

the lifting tool (20) comprises: a guide rail (24a) for lifting the molding table (22) relative to a side wall (W) extending from one side wall of the base (B) of the body; a guide block (26) that is guided along the guide rail (24 a); and a screw (28a) for causing the guide block (26) to perform a parallel motion by driving of the motor (28).

6. The artificial tooth molding apparatus according to claim 5,

the guide block (26) is further provided with a guide groove (26a) which is inserted into the guide rail (24a) to be guided, and a thread (28b) which converts the rotational motion of the screw (28a) into linear motion.

7. The artificial tooth shaping device according to any one of claims 1 to 6,

the ceramic mixed liquid (S) comprises 5-15% by weight of acrylate oligomer compound, 1-10% by weight of acrylate monomer, 1-10% by weight of photoinitiator and 1-10% by weight of dispersant based on 100% by weight of ceramic powder.

8. The artificial tooth molding apparatus according to claim 7,

the ceramic powder consists of zirconium dioxide powder.

9. A method of forming an artificial tooth, comprising:

an output step of calculating three-dimensional curve data (D _ g) required for molding an artificial tooth by using a calculation control unit (10), converting the three-dimensional curve data into continuous fault data (D _ l), and outputting the data;

a soaking step of soaking a table top (22) for molding an artificial tooth in a gel type ceramic mixed solution (S) in which powder ceramic and an ultraviolet curing agent are mixed, for a preset time by an elevating tool (20) based on tomographic data (D _ l) from an arithmetic control unit (10) in order to generate the artificial tooth (T);

an irradiation step of irradiating ultraviolet rays onto a molding table (22) that is in contact with the ceramic mixed liquid (S) stored in the water tank (30) by using an ultraviolet irradiation tool (40); and

a filtering step of filtering, by using a filtering unit (50), ultraviolet irradiation regions (S _1, S _2, … …, S _ n) which irradiate the table top (22) for molding with ultraviolet rays irradiated by an irradiation tool (40) according to tomographic data (D _ l) outputted by an arithmetic control unit (10), by using the ultraviolet irradiation regions (S _1, S _2, … …, S _ n);

the above steps are repeated in sequence until the molding of the artificial tooth is completed.

Technical Field

The present invention relates to an artificial tooth molding apparatus and method, and more particularly, to an artificial tooth molding apparatus and method for molding an artificial tooth for operation by continuously molding powder ceramics in a liquid base for each layer.

Background

Generally, the dental technician is working to make, repair, and machine a dental substitute or appliance by applying a dental prosthesis or partial crown or band orthodontic appliance to a tooth and making the substitute or supplement appropriately according to the order in the doctor's prescription.

Disclosure of Invention

Technical problem

Accordingly, an object of the present invention is to provide an artificial tooth molding apparatus and method thereof which improve the productivity in molding an artificial tooth.

Technical scheme

According to the present invention, the immersion of the ceramic mixed liquid S and the ultraviolet curing are repeatedly performed according to the sectional area of the artificial tooth T by the driving of the elevating tool 20 and the filtering unit 50 based on the instruction of the arithmetic control unit 10.

ADVANTAGEOUS EFFECTS OF INVENTION

Therefore, according to the present invention, the artificial tooth T can be manufactured by repeating the soaking of the ceramic mixed liquid S and the ultraviolet curing according to the cross-sectional area of the artificial tooth T by the driving of the elevating tool 20 and the filter unit 50 of the arithmetic control unit 10, thereby eliminating the shadow region accompanying the molding of the artificial tooth T. Therefore, subsequent fine processing is greatly omitted, the efficiency of the manufacturing process can be improved, and the production cost can be reduced.

Drawings

Fig. 1 is a schematic perspective view of an artificial tooth molding device disclosed in korean laid-open patent publication No. 10-2009-0023946.

Fig. 2 is a schematic perspective view of an artificial tooth molding apparatus according to a preferred embodiment of the present invention.

Fig. 3 is a schematic exploded perspective view of an artificial tooth molding apparatus according to a preferred embodiment of the present invention.

Fig. 4 is a partial schematic view showing the operation of the artificial tooth molding apparatus according to the preferred embodiment of the present invention.

Detailed Description