METHOD OF MANUFACTURING DENTURE BY USING TRAY CAP JIG HAVING FALSE TEETH FIXED UNMOVABLY DURING MILLING FALSE TEETH

Abstract

The present inventive concept relates to a method of manufacturing dentures by using a tray cap jig having false teeth fixed unmovably during milling thereof, the tray cap jig, which is depressed, being manufactured according to a rectangular parallelepiped shape or the same shape as the teeth arrangement in an oral cavity set by a dental denture design software of a 3D printer, the method including: manufacturing the tray cap jig of the same shape as the shape of a rectangular parallelepiped container or teeth arrangement in an oral cavity by using the 3D printer; inserting false teeth into a false teeth hole provided in the depressed tray cap jig; and cutting each of roots of the false teeth to a depth set by the dental denture design software after inserting the false teeth into the tray cap jig.

Claims

1.-3 (canceled)

4. A method of manufacturing dentures, the method comprising: manufacturing a tray cap jig having a rectangular parallelepiped shape or the same shape as teeth arrangement in an oral cavity by using the 3D printer, the tray cap jig having a false teeth hole in the middle; inserting a plurality of false teeth into the false teeth hole in the tray cap jig; and cutting each of roots of the plurality of false teeth to a depth set by the dental denture design software after inserting the plurality of false teeth into the false teeth hole in the tray cap jig.

5. The method of claim 4, wherein the plurality of false teeth are inserted into the false teeth hole to expose roots of the plurality of false teeth.

6. The method of claim 5, further comprising: forming undercuts in on ends of the exposed roots of the plurality of false teeth, the undercuts being a recessed portion extending from an end of the exposed roots toward a body of the plurality of false teeth.

7. The method of claim 6, wherein the tray cap jig includes a separation membrane provided between each of the plurality of false teeth.

8. The method of claim 6, further comprising: inserting the processed false teeth into a gum structure so as to be embedded therein.

9. The method of claim 8, wherein the gum structure is processed by milling or 3D printing and the gum structure includes a false teeth groove in which the processed false teeth are embedded.

10. The method of claim 9, wherein the tray cap jig has a rectangular parallelepiped shape or the same shape as teeth arrangement in an oral cavity.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG. 1 is a perspective view of a tray cap jig of the present inventive concept;

[0019] FIG. 2 is a view showing a state of false teeth of the present inventive concept inserted into a false teeth hole in the tray cap jig;

[0020] FIG. 3 is a view showing a state of a soft sealing material filled in a vicinity of false teeth in a tray cap jig according to one embodiment of the present inventive concept; and

[0021] FIG. 4 is a view illustrating the manufacturing of undercuts in the false teeth of the present inventive concept.

DETAILED DESCRIPTION

[0022] The present inventive concept relates to a method of manufacturing dentures by using a tray cap jig having false teeth fixed unmovably during milling of the false teeth, the tray cap jig, which is depressed, being manufactured to have a rectangular parallelepiped shape or the same shape as an oral cavity set by a dental denture design software of a 3D printer, the method including: [0023] manufacturing the tray cap jig having a rectangular parallelepiped shape or the same shape as an oral cavity by using the 3D printer; inserting false teeth into a false teeth hole provided in the depressed tray cap jig; and cutting each of roots of the false teeth to a depth set by the dental denture design software after inserting the false teeth into the tray cap jig.

[0024] In addition, at the same time when each of the roots of the false teeth is cut, undercuts are also manufactured in the false teeth and a gum structure. The undercuts are structures preventing the false teeth and the gum structure, which are main structures, from detaching from each other when the false teeth and the gum structure are bonded to each other.

[0025] Furthermore, the processed false teeth are inserted into and embedded in the gum structure, wherein the gum structure is processed by milling or 3D printing, and a false teeth groove of the gum structure in which the processed false teeth are embedded is also manufactured by milling or 3D printing at the same time.

[0026] Additionally, the tray cap jig has a false teeth hole of a rectangular shape formed therein. Multiple false teeth are inserted into the false teeth hole, and because every wearer of the false teeth has teeth of different sizes, the shape and size of the false teeth hole may be formed differently, and a size of an inner part of the depressed tray cap jig of the present inventive concept may be different. However, an outer surface of the tray cap jig has the same size such that the tray cap jig is constantly combined with an outer jig for milling, which supports the tray cap jig.

[0027] Furthermore, after multiple false teeth are inserted into the false teeth hole, a soft sealing material such as silicon is filled therein such that the false teeth do not break away therefrom even during milling.

[0028] The present inventive concept will be described in detail by the accompanying drawings as follows. FIG. 1 is a perspective view of a tray cap jig of the present inventive concept; FIG. 2 is a view showing a state of false teeth of the present inventive concept inserted into the false teeth hole in the tray cap jig; FIG. 3 is a view showing a state of a soft sealing material filled in a vicinity of false teeth in a tray cap jig according to one embodiment of the present inventive concept; and FIG. 4 is a view illustrating the manufacturing of the undercuts in the false teeth of the present inventive concept.

[0029] The present inventive concept relates to the tray cap jig, which is used to mill the false teeth, manufactured by 3D printing. The false teeth are inserted into and fixed to the tray cap jig not to move.

[0030] During milling work by using the tray cap jig 20 having a rectangular parallelepiped shape or the same configuration as teeth arrangement in an oral cavity, each of roots 10 of the false teeth is cut to the same depth as a depth of each of original teeth of a wearer thereof set by the dental denture design software; the portions of the processed teeth are inserted into the gum structure; and dentures are completely manufactured. In this case, an aesthetically excellent depressed tray cap jig 20 (the tray cap jig), which is precise, convenient, quick, and economical in manufacturing dentures, is manufactured in accordance with the rectangular parallelepiped shape or the same configuration as the teeth arrangement in an oral cavity set by the dental denture design software of the 3D printer. That is, according to the present inventive concept, false teeth 30 are embedded side by side along a straight line in the tray cap jig 20 having the rectangular parallelepiped shape or the same configuration as the teeth arrangement in an oral cavity. The tray cap jig 20 is manufactured of materials provided by the 3D printer to have rigidity. The tray cap jig 20 is manufactured to be thin enough to have elasticity. The tray cap jig 20 has a false teeth hole 21 formed therein, and multiple false teeth are embedded in the false teeth hole. When embedding the false teeth in the tray cap jig 20, roots 10 of the false teeth which was embedded in the gum structure face upward and end parts of teeth chewing food face downward. This is intended to efficiently manufacture the root parts and the undercuts in milling work, which is a later process.

[0031] In addition, because every wearer of the false teeth has teeth of different sizes, a depth and a width of the false teeth hole 21 in which the false teeth are embedded may be formed differently depending on every wearer of the false teeth even though outer shape and size of the tray cap jig 20 is the same.

[0032] Particularly, the tray cap jig 20 surrounding the multiple false teeth may be manufactured by 3D printing according to a shape of false teeth set by the dental denture design software according to the shape and size of original teeth.

[0033] Furthermore, according to one embodiment of the present inventive concept, after multiple false teeth 30 are inserted into the false teeth hole 21, a soft sealing material 22 such as silicon is filled in an empty space between the false teeth hole 21 and the false teeth 30, so that the false teeth do not detach therefrom even during milling Next, the tray cap jig 20 is arranged on the milling machine (not shown) and the milling work is performed thereon. In this case, each of the roots 10 of the false teeth provided in the tray cap jig 20 is cut to a depth set by a software of a controller of the milling machine. That is, each of the roots of the false teeth may be cut to the same height and size as a height and a size of each of original teeth of a wearer thereof.

[0034] Finally, the processed false teeth are inserted into and embedded in the gum structure so as to complete the dentures.

[0035] A material of the gum structure of the present inventive concept is polymethyl methacrylate (PMMA) or nylon and uses color similar to pink color, and may use darker or lighter color according to brightness desired. The gum structure is manufactured by milling or 3D printing, and at the same time, the false teeth groove in which the false teeth are embedded is also processed by milling or 3D printing. In this case, the undercuts 2 are provided in portions of the roots and in the gum structure so as to manufacture dentures, whereby a strength by which the false teeth are combined with the gum structure by an adhesive such as a bond is excellent and denture manufacturing is precise, convenient, quick, and economical.

[0036] Accordingly, according to the present inventive concept, after the tray cap jig 20, in which false teeth are embedded, is manufactured in the rectangular parallelepiped shape or the same shape as teeth arrangement in an oral cavity by the denture design software, the false teeth are embedded side by side along a straight line in the tray cap jig 20. In this case, a separation membrane may be installed between each of the false teeth to hold the false teeth such that the false teeth are easily processed and fixed properly, and the separation membrane has a shape of a normally flat membrane and functions to separate each of the false teeth therebetween.

[0037] In addition, after each of the roots of the false teeth is cut to the same depth as a depth of each of original teeth of a wearer thereof, the false teeth are inserted into the gum structure so as to manufacture the dentures, whereby denture manufacturing is precise, convenient, quick, and economical.