KR101719925B1 - Articulator - Google Patents

Abstract

The present invention relates to an articulator which minimizes amounts waste and plaster subjected to be discarded after used in molding tooth models. More specifically, disclosed is an articulator which comprises: an upper mold frame made of a resin material, and including a tooth model along a tooth arrangement of upper teeth on a lower surface while individual tooth model can be independently detachable; and a lower mold frame made of the resin material, provided on a position occluded with the upper mold frame, and including a tooth model along the teeth arrangement of lower teeth on an upper surface while individual tooth model can be independently detachable.

Description

ARTICLULATOR

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dental articulator articulator, and more particularly, to an articulator that minimizes the amount of gypsum and wastes to be discarded during tooth modeling.

The dental articulating articulator is an artificial jaw that is required for the prosthesis manufacturing process and is used to arrange the artificial teeth at the unique positions of the teeth and to reproduce the mandibular movement according to the temporomandibular joint movement.

These articulators are manufactured in different forms, ranging from very simple retractable instruments to complex and sophisticated instruments. Typical examples are registered artisan's 20-0220295 (dental articulator articulator) and registered utility model 20-0300715 A public articulator).

FIG. 1 is a view showing an articulator disclosed in a conventional registration practice 20-0220295 (a dental articulating articulator), wherein a conventional articulator includes an upper frame 30 and a lower frame 40 around a hinge shaft 12, The lower frame 40 is configured to press the hinge shaft 12 by the elastic spring 46 and the upper frame 30 to flow left and right.

However, since the structure of such an articulator can only move up and down the upper frame 30 and the lower frame 40 by moving the upper frame 30 to the left or to the right, it is difficult to describe the oral structure of different dimensions . In other words, a person has a different oral structure with different dimensions, especially a different distance between the maxilla and mandible, different incidence of mandibular anterior protrusion, and different positions of intermeshing of upper and lower teeth.

In spite of these individual differences, the conventional articulator can not differentiate the distance between the maxilla and mandible and the degree of protrusion of the mandible in front, so that it is not possible to reflect the deviation of each individual.

In the conventional articulator, the hinge shaft 12 to which the elastic part 46 touches is formed in a smooth cylindrical shape, so that when the upper frame 30 is excessively twisted, the elastic part 46 is separated from the hinge shaft 12 There has been a problem in use that the upper frame 30 slips and is separated from the lower frame 40. [

FIG. 2 is a view showing an articulator disclosed in a conventional registration utility model No. 20-0300715 (articulator articulating articulator). In the conventional articulator, an upper frame 3 and a lower frame 2 are connected to a hinge 9 And was coupled to the upper and lower operating portions 1 in a ball joint manner. Therefore, the upper frame 3 and the lower frame 2 can be freely moved by the ball joint method, and a free mouth structure can be reproduced.

However, according to this conventional technique, in addition to the portion for forming teeth, the shape of the base material forming the upper frame and the lower frame is shaped like a hemisphere in order to form a stable prosthesis, and all of the base material is filled with gypsum.

Therefore, all of the gypsum used as the base material is discarded as waste at the same time as the preparation of the prosthesis is completed. Especially, the amount of the gypsum used as the base material rather than the amount of the gypsum of the actual tooth model used for manufacturing the prosthesis The situation is still ineffective, over 10 times.

Furthermore, the molds filled with gypsum are also discarded after use, and new molds are purchased each time.

In addition, since the gypsum model (4) was separated from the molds (2, 3) after the preparation of the prosthesis, the gypsum powder was delivered to the dentist in a state in which the gypsum powder was always blown, resulting in hygienic or cosmetic problems, The model (4) also always had gypsum powder when stored, and there were also difficulties in storage.

On the other hand, some conventional articulators currently available on the market are relatively simple and lightweight / minimized articulators have been introduced. However, such articulators have been successful in weight reduction but have a problem of poor accuracy and durability of occlusion There is a drawback that the durability is weak and the seam is inaccurate.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 20-0220295 Y KR 20-0300715 Y

SUMMARY OF THE INVENTION The present invention has been made in order to solve the conventional problems as described above, and it is an object of the present invention to provide an articulator that minimizes the amount of gypsum used for molding a tooth model.

It is another object of the present invention to provide an articulator that minimizes the waste that is discarded after manufacturing the prosthesis.

It is still another object of the present invention to provide an articulator that improves the ease of operation of a prosthesis molding operation.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a tooth structure comprising: an upper mold having a tooth model formed along a dentition formed by a resin material on a bottom surface thereof; And a lower die formed of a resin material and provided at a position to be in engagement with the upper die and having a teeth model along the teeth row formed by the lower teeth on the upper face, .

An upper frame provided at an upper portion of the upper frame and having a first hinge portion at one end thereof; And a lower frame provided at a lower portion of the lower frame and having a second hinge portion at one end thereof corresponding to the first hinge portion, wherein a first insertion groove is formed to have an individual tooth pattern on the bottom surface of the upper frame ; And a second insertion groove may be formed on the upper surface of the lower mold so as to have an individual tooth model.

Is bolted to the upper frame through the upper frame; Wherein the upper frame and the upper frame are in surface contact with each other by forming a groove and a projection corresponding to each other, A lower frame, which is bolted to the lower frame through the lower frame; According to the bolting, grooves and protrusions having mutually corresponding shapes may be formed at the portions where the lower frame and the lower mold frame are in surface contact with each other to be fittable.

A first upper frame having a first receiving portion protruding from an upper surface thereof so as to form a space defining the first insertion groove and having a first phase supported portion protruding from a side of the first receiving portion; And a second upper frame provided in a shape covering the first upper frame and having a second image frame supported on a bottom surface so as to be fitted to the first image frame supported by the first frame, A first lower frame having a second receiving portion protruding from the bottom surface to form a groove, and a first lower frame protruding from a side of the second receiving portion; And a second lower frame provided in a shape covering the first lower frame and having a second lower frame on an upper surface thereof to be fitted to the first lower frame.

A pin insertion hole may be formed in the inner end of the first insertion groove and the inner end of the second insertion groove to insert the end of the prosthesis pin coupled with the tooth model.

An upper exposure hole is formed on an upper surface of the second upper frame along a path along which the first accommodation portion is formed; A lower exposure hole may be formed on a lower surface of the second lower frame along a path along which the second accommodation portion is formed.

Grooves and projections may be formed in the first and second phase-supported portions and the first and second bottom-supported portions and the second bottom-supported portion, respectively, to have a shape corresponding to the first and second phase-supported portions.

An upper position regulating portion is formed on a side of the first insertion groove on a bottom surface of the first upper frame; And a lower position regulating portion may be formed on a side of the second insertion groove on an upper surface of the first lower frame.

Wherein the first hinge portion is formed in a pin shape so as to form a hinge shaft for matingly rotating the upper mold frame to the lower mold frame; The second hinge portion may be formed in a groove shape having a rear end opened to insert the first hinge portion.

And elastic means for providing an elastic force to the upper frame in a direction in which the first hinge portion is inserted into the second hinge portion.

A support member is provided at the other end of the upper frame and the lower frame so as to regulate an interval between the other ends; The support member may be provided to adjust the height of the upper frame or the lower frame.

The present invention has the effect of reducing the cost of manufacturing a prosthesis by reducing the amount of gypsum to be discarded while minimizing the amount of gypsum used by forming only a tooth model with a gypsum while molding a mold and a lower mold together with a synthetic resin material , The molds and the hats are recycled without being discarded, and there is also an effect of reducing waste and reducing waste disposal costs.

Further, since the joint body can be slid back and forth on the upper frame, and the rotational angle can be adjusted through the ball joint, the degree of freedom of the occlusion can be increased to achieve precise adjustment.

In addition, since the distance between the upper frame and the lower frame can be regulated through the support member, the tooth model can be manufactured easily and easily, and the operation convenience can be improved.

1 is a perspective view of a conventional articulator and a tooth model frame.
2 is a perspective view of another conventional articulator and tooth model frame.
FIG. 3 is a perspective view showing an entire articulator according to the present invention. FIG.
FIG. 4 is an exploded perspective view for explaining a coupling relationship of a mold and a coupling structure of a ball joint constituting an articulator of the present invention; FIG.
FIG. 5 is an exploded perspective view for explaining a coupling relationship of a hanger frame constituting an articulator of the present invention. FIG.
6 is a view for explaining a coupling relation between an upper frame and a lower frame in an articulator according to the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The articulator of the present invention mainly comprises a mold 100 and a lower mold 200.

3 to 5, all of the mold 100 and the mold 200 may be formed of a resin material such as synthetic resin.

First, the mold 100 is formed in a hemispherical shape along an array of human upper teeth. A plurality of tooth patterns may be inserted along the teeth of the upper teeth on the bottom surface of the mold 100, In particular, a plurality of first insertion grooves 112 may be formed on the bottom surface of the mold 100 so that the individual tooth models can be detached independently of each other.

The lower mold 200 is formed in a hemispherical shape along an arrangement of human lower limbs and may be provided at a position where the upper mold 100 is engaged with the upper mold 100.

In particular, a plurality of second insertion grooves (not shown) may be formed on the upper surface of the lower mold 200 so that the individual tooth models can be independently detached from the lower mold 200, (212) can be formed.

According to this configuration, the upper and lower molds 100 and 200, which are bases used for molding each tooth model, are made of plastics such as synthetic resin rather than the gypsum used in the past, It is possible to minimize the amount of gypsum used for manufacturing the prosthesis and reduce the amount of gypsum discarded after manufacturing the prosthesis, thereby reducing the cost of manufacturing the prosthesis.

In addition, since the mold 100 and the lower mold 200 serve as a base, the mold of the articulator is recycled without being discarded, so that the mold 100 and the mold 200 are semi-permanently used Thereby reducing waste and reducing waste treatment costs.

In addition, the present invention may further comprise an upper frame 300 and a lower frame 400.

3 and 4, the upper frame 300 is bolted to the upper mold 100 through bolts B, and the upper frame 300 and the upper mold 100 are coupled to each other by the bolting. The upper frame 300 and the upper frame 100 can be coupled by forming the grooves 100a and the protrusions 300a having mutually corresponding shapes on the surfaces of the upper frame 300 and the upper frame 300. [

That is, the upper frame 300 and the upper frame 100 can be prevented from rotating relative to each other in a state where the upper frame 300 and the upper frame 100 are bolted to each other by the fitting structure of the groove 100a and the protrusion 300a.

The upper frame 300 is provided on the upper side of the upper frame 300 and preferably the upper frame 300 is provided with the upper frame 300 on the lower side of the front side, And an intermediate portion that is directed from the front side to the rear side can be formed by being bent downward toward the rear side. Particularly, the first hinge part 310 may be provided at the rear end of the upper frame 300.

For example, the first hinge unit 310 may be formed in a pin shape so as to form a hinge shaft for occluding and rotating the upper mold 100 to the lower mold 200.

That is, the upper frame 300 including the upper mold 100 may be rotated with the first hinge 310 formed in a pin shape as a hinge axis.

3 and 5, the lower frame 400 is bolted to the lower mold 200 through a bolt B, and the lower frame 400 and the lower mold 400 The lower frame 400 and the lower frame 200 can be engaged by forming a groove 200a and a protrusion 400a corresponding to each other in a portion where the upper frame 200 and the lower frame 200 are in surface contact with each other.

That is, the lower frame 400 and the lower frame 200 can be prevented from rotating relative to each other in a state where the lower frame 400 and the lower frame 200 are bolted together by the fitting structure of the groove 200a and the protrusion 400a.

The lower frame 400 is provided at a lower portion of the lower frame 400. The lower frame 400 preferably includes a lower frame 400 on the front side of the lower frame 400, The rear end portion of the fastening portion may be bent upward toward the rear side. Particularly, the second hinge part 410 may be provided at the rear end of the lower frame 400 in correspondence with the first hinge part 310.

For example, the second hinge unit 410 may be formed in a groove shape having a rear end opened so as to insert a fin constituting the first hinge unit 310.

That is, the upper frame 300 and the lower frame 400 are hinged together only by inserting the first hinge part 310 formed in a pin shape from the rear of the second hinge part 410 formed in a groove shape, And the operation of engaging the teeth model of the mold 100 with the teeth model of the lower mold 200 can be simulated by the rotation action of the upper frame 300 after the hinge coupling.

3 and 6, elastic means may be provided to provide an elastic force to the upper frame 300 in a direction in which the first hinge portion 310 is inserted into the second hinge portion 410 have.

For example, at the rear end of the second hinge portion 410, a leaf spring 420 may be provided which elastically deforms in the forward and backward directions. The end of the leaf spring 420 is coupled to the spring support 430 formed at the rear of the lower frame 400 and both ends of the leaf spring 420 are connected to the second hinge part 420 And is bent forward.

By supporting the first hinge parts 310 at both ends of the leaf spring 420 inserted in the second hinge parts 420 from the rear side by the elastic force of the plate spring 420, It is possible to prevent the first hinge part 310 from being disengaged from the second hinge part 410. The first hinge part 310 is provided with a force for pushing the first hinge part 310 in the direction to be inserted into the second hinge part 410. [

The mold 100 of the present invention may include a first upper mold 110 and a second upper mold 120. The lower mold 200 may include a first lower mold 210, And a second lower frame 220.

4, the first upper frame 110 includes a first upper frame 110 corresponding to each of the first insertion grooves 112 so as to separately form a space forming a plurality of first insertion grooves 112 on the bottom surface, A plurality of first receiving portions 114 may protrude from the upper surface of the housing 110.

In addition, a first image supporting portion 116 protrudes from the upper surface of the first accommodating portion 114 so as to cover the sides of the first accommodating portions 114. The first image supporting portion 116 may have a U- And the first accommodating portions 114 can be disposed therein.

The second upper frame 120 is provided in a shape to cover the first upper frame 110. The second upper frame 120 is formed in a U shape so as to be fitted to the first upper frame portion 116, 126 may be formed.

At this time, protrusions 116a and grooves 126a are formed on the outer surface of the first phase-supported portion 116 and the inner surfaces of the corresponding second phase-supported portion 126 in the vertical direction, So that the first phase-supported portion 116 and the second phase-supported portion 126 can be engaged with each other.

5, the first lower frame 210 has a first lower portion corresponding to each of the second insertion grooves 212 so as to individually form a space forming a plurality of second insertion grooves 212 on the upper surface thereof, A plurality of second accommodating portions 214 are protruded from the bottom surface of the frame 210. In addition, a first bottom support portion 216 protrudes from the bottom surface of the second accommodating portion 214 so as to cover the entire sides of the second accommodating portions 214. The first bottom support portion 216 is formed in a U- And the second accommodating portions 214 may be disposed therein.

The second lower frame 220 is formed to cover the first lower frame 210 and has a U-shaped second lower frame portion 226 to be fitted to the first lower frame portion 216 May be formed.

At this time, protrusions 216a and grooves 226a are formed on the outer surface of the first lower support portion 216 and the corresponding inner surface of the second lower support portion 226, Respectively, so that the first lower support portion 216 and the second lower support portion 226 can be engaged with each other.

According to this configuration, the first upper frame 110 and the second upper frame 120, the first lower frame 210 and the second lower frame 220 are both made of a plastic material, The upper mold 100 and the lower mold 200 are formed into a hollow shape through the fit-engagement structure of the upper and lower flanges and the first and second lower flanges, And the lower mold 200 can be recycled, thereby reducing the cost required for molding the dental prosthesis.

4 and 5, the end of the prosthesis pin P, to which the tooth model is coupled, is inserted into the inner end of the first insertion groove 112 and the inner end of the second insertion groove 212, The insertion holes 112a and 212a can be formed.

That is, one end of the prosthesis pin P is inserted into the first insertion groove 112 and the second insertion groove 212, respectively, and is inserted into the pin insertion holes 112a and 212a, And can be stably inserted and coupled.

After the dental prosthesis pin P is inserted into the pin insertion holes 112a and 212a as described above, the dental prosthesis is formed by placing the gypsum on the other end of the prosthesis pin P.

Thus, it is possible to eliminate the gypsum model which is constituted as the existing tooth base, and only the tooth model is used as the gypsum, and the waste after the manufacture of the prosthesis is remarkably reduced.

A U-shaped upper exposure hole 122 is formed on the upper surface of the second upper frame 120 along a path along which the first accommodating portion 114 is formed, A U-shaped lower exposure hole 222 may be formed along a path along which the second accommodating portion 214 is formed.

That is, by forming the upper exposure hole 122 at the upper position of the first accommodating portion 114, the pin insertion hole 112a is exposed to the outside together with the first accommodating portion 114, The lower insertion hole 222 is formed at a lower position of the receiving portion 214 so that the pin insertion hole 212a is exposed to the outside together with the second receiving portion 214. [

Therefore, when the prosthetic pins P are inserted into the first insertion groove 112 and the second insertion groove 212 in the tooth model, the end portion of the prosthesis pin P is inserted into the pin insertion holes 112a and 212a Protruding pins P protrude through the upper and lower exposure holes 122 and 222 when the prosthesis pins P are to be separated from the upper and lower molds 100 and 200, It is possible to easily separate the prosthesis pins P from the mold 100 and the lower mold 200 only by pushing out the end portion, and thus the tooth model can be separated without damaging the tooth model.

An upper position restricting portion 118 is formed on a side of the first insertion groove 112 on the bottom surface of the first upper frame 110. On the upper surface of the first lower frame 210, The lower position regulating portion 218 may be formed on the side of the lower portion 212.

For example, the upper position regulating portion 118 and the lower position regulating portion 218 may be formed in the shape of a groove or a protrusion. Preferably, as shown in the drawing, the first insertion grooves 112 and / May be formed in a U shape along the second insertion grooves 212 and may be formed at a position in contact with the first insertion groove 112 and the second insertion groove 212, 112 and the second insertion groove 212, respectively.

That is, when the gypsum forming the tooth model is placed on the upper position regulating portion 118 and the lower position regulating portion 218 in the process of placing the tooth model on the prosthesis pins P, And the surface of the gypsum resting on the lower position regulating portion 218 are formed in the shape of a groove or a projection corresponding to the shape of the upper position regulating portion 118 and the lower position regulating portion 218.

Therefore, when the prosthesis pin P inserted into the first insertion groove 112 or the second insertion groove 212 is inserted and then inserted into the insertion groove again, the insertion position of the tooth model It is possible to insert the prosthesis pin at the same position without changing the tooth model angle, which is regulated by the position regulating portions 118 and 218, so that a precise calibration work can be performed.

3 and 6, a supporting member 500 is provided at the front end of the upper frame 300 and the lower frame 400 to limit the interval between the front ends of the upper frame 300 and the lower frame 400, The upper frame 300 or the lower frame 400 can be adjusted to adjust the height thereof.

For example, the upper end of the support member 500 can be coupled to the front end of the upper frame 300, and in particular, the support member 500 is coupled in a bolting manner along the upper and lower longitudinal direction of the upper frame 300, The distance between the frame 300 and the lower frame 400 can be adjusted.

Accordingly, when the angle between the upper frame 300 and the lower frame 400 for the tooth model formation is adjusted through the support structure, Accordingly, the upper frame 300 and the lower frame 400 are simply supported by the supporting structure without a separate fixing structure, so that the tooth model manufacturing work can be performed very easily.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the specific embodiments set forth herein; rather, .

100: phase mold 110: first upper mold
112: first insertion groove 112a: pin insertion hole
114: first receiving portion 116: first image forming portion
118: upper position regulating portion 120: second upper frame
122: upper exposure hole 126: second phase spur portion
200: a lower mold 210: a first lower mold
212: second insertion groove 212a: pin insertion hole
214: second receiving portion 216: first lower portion
218: lower position regulation part 220: second lower frame
222: lower exposure hole 226: second lower frame portion
300: upper frame 310: first hinge part
320: guide rail 400: lower frame
410: second hinge part 420: leaf spring
500: Support member P: Prosthetic pin

Claims (11)

An upper mold formed of a resin material and provided with a tooth model along a dentition formed by the upper teeth on the bottom surface, wherein an individual tooth model is independently detachable;
A lower mold formed of a resin material and provided at a position to be in engagement with the upper mold and having a tooth model along a tooth row formed by a lower tooth on an upper surface thereof,
An upper frame provided at an upper portion of the upper frame and having a first hinge portion at one end thereof;
And a lower frame provided at a lower portion of the lower frame and having a second hinge portion at one end corresponding to the first hinge portion,
Is bolted to the upper frame through the upper frame;
Wherein the upper frame and the upper frame are in surface contact with each other by forming a groove and a projection corresponding to each other,
A lower frame, which is bolted to the lower frame through the lower frame;
Wherein the lower frame and the lower frame are formed with grooves and protrusions corresponding to each other in a surface contact area of the lower frame and the lower mold according to the bolting engagement. The method according to claim 1,
A first insertion groove is formed in the bottom surface of the mold so as to have an individual tooth model;
And a second insertion groove is formed on the upper surface of the lower mold so as to have an individual tooth model. delete The method of claim 2,
The above-
A first upper frame having a first receiving portion formed on an upper surface thereof so as to form a space for forming the first insertion groove and having a first image supporting portion protruding from the first receiving portion;
And a second upper frame provided in a shape covering the first upper frame and having a second upper frame supported on a bottom surface so as to be fitted to the first upper frame,
The above-
A first lower frame having a second receiving portion protruding from a bottom surface thereof to form a space for forming the second insertion groove and having a first lower projection protruding from a side of the second receiving portion;
And a second lower frame provided in a shape covering the first lower frame and having a second lower frame on an upper surface so as to be fitted to the first lower frame. The method of claim 4,
And a pin insertion hole is formed in the inner end of the first insertion groove and the inner end of the second insertion groove to insert an end of a prosthesis pin coupled with a tooth model. The method of claim 4,
An upper exposure hole is formed on an upper surface of the second upper frame along a path along which the first accommodation portion is formed;
And a lower exposing hole is formed on a lower surface of the second lower frame along a path along which the second accommodating portion is formed. The method of claim 4,
Wherein the first and second upper stopper portions and the first and second lower stopper portions and the second lower stopper portion and the second lower stopper portion are formed with grooves and protrusions in a shape corresponding to each other and are fitted to each other. The method of claim 4,
An upper position regulating portion is formed on a side of the first insertion groove on a bottom surface of the first upper frame;
And a lower position regulating portion is formed on a side of the second insertion groove on an upper surface of the first lower frame. The method of claim 2,
Wherein the first hinge portion is formed in a pin shape so as to form a hinge shaft for matingly rotating the upper mold frame to the lower mold frame;
Wherein the second hinge portion is formed in a groove shape having a rear end opened to insert the first hinge portion. The method of claim 9,
And elastic means for providing an elastic force to the upper frame in a direction in which the first hinge portion is inserted into the second hinge portion. The method of claim 2,
A support member is provided at the other end of the upper frame and the lower frame so as to regulate an interval between the other ends;
Wherein the support member is adjustable in height on the upper frame or the lower frame.

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