KR20120072792A - Metal mold for tooth and manufacturing method of denture using this and denture therefrom - Google Patents

Abstract

PURPOSE: A metal tooth mold, a method for manufacturing denture using the same, and a denture manufactured thereby are provided to facilitate the manufacturing process of denture and to reduce the manufacturing time of denture. CONSTITUTION: A method for manufacturing denture is as follows. A plurality of tooth models is integrally molded(S10). A tooth mold is classified into a joint mold, a dentine mold, and an enamel mold(S20). A junction layer of a tooth is inserted into the dentine mold and hard resin with transparent color is injected into the dentine mold(S30). A dentine layer and junction layer of the tooth are inserted into the enamel mold and hard resin with transparent color is injected into the enamel mold(S40).

Description

Dental mold, denture manufacturing method using the same and the denture {METAL MOLD FOR TOOTH AND MANUFACTURING METHOD OF DENTURE USING THIS AND DENTURE THEREFROM}

The present invention relates to a tooth mold for producing a tooth at the same time, a denture manufacturing method using the same and the denture.

In general, the number of teeth in adults consists of 32 teeth including upper teeth and lower teeth, but as they age, they lose their natural teeth, and the dentures, which are artificial implants that artificially restore the shape and function of lost teeth, are installed on the gums. do.

Types of dentures are fixed partial dentures when one or more natural teeth are missing, depending on the number of missing teeth, removable partial dentures when two or more natural teeth are missing, or no natural teeth. The total dentures can be distinguished.

In the denture manufacturing process, the impression material is used to make a patient's tooth at the dentist's office, a dental tray is manufactured using the dental bone produced by the dentist, and the dental tray is re-opened using the individual tray at the dentist's office. At the groundbreaking company, the foundation is made of medical plastic. In the dentist, the base image produced by the laboratory company is adjusted to the patient's mouth to adjust the height. The laboratory company produces the denture by arranging the teeth on the adjusted dentures. If the patient is satisfied with the denture, the wax denture is replaced with a hard acrylic resin.

Denture teeth used in dentures are largely divided into four shapes according to the shape of the remaining teeth and the shape of the face, and the length is determined according to the length of the alveolar bone in the oral cavity. These individual teeth are each arranged at a designated position on the denture to complete the denture.

However, such a manufacturing method has a problem that it is very complicated and time-consuming to manufacture each tooth to be mounted at the position of each denture as well as labor costs are high and productivity is low.

Therefore, an object of the present invention is to provide a dental mold frame, which can be produced integrally a plurality of teeth used in the denture, a denture manufacturing method using the same and the denture.

Denture manufacturing method using a tooth mold of the present invention for achieving the above object, The present invention is to classify the teeth to select a tooth mold mold molded in a plurality of teeth integrally, the tooth mold mold of the tooth Classifying by structure and classifying for joints, dentin, and enamel, forming a joint layer of teeth in contact with gums by injecting soft resin with good adhesion and tooth color into the mold for joints, dentin Inserting the joint layer of the tooth into the mold mold and molding the dentin layer of the tooth by injecting a resin of higher hardness and having a color that is transparent to the joint layer of the tooth on its upper surface; After inserting the dentin layer integrally combined with the layer, the resin enameled on the upper surface of the tooth by injecting a resin of a higher hardness than the dentin layer of the tooth. Forming a vaginal layer.

In addition, the tooth mold of the present invention classifies the teeth to form a tooth mold of any one of the upper teeth 14 and the lower teeth 14 molded integrally, the tooth mold for the joints molded in the shape of the joint layer of the teeth It comprises a mold, a dentin mold for molding the shape from the junction layer of the tooth to the dentin layer of the tooth, and a mold for enamel enameling the entire tooth is characterized in that the teeth are formed step by step.

In addition, the tooth mold of the present invention, the teeth are classified into a tooth mold formed by molding the shape of any one of six upper teeth and four left and right posterior parts, six lower teeth anterior and four left and right posterior parts integrally, The mold is composed of a mold for a joint part molded in the shape of the joint layer of the tooth, an dentin mold mold in which the shape from the joint layer of the tooth to the dentin layer of the tooth is molded, and a mold for enamel enameled with the entire tooth. It characterized in that the step to be molded.

The present invention facilitates the manufacturing process of the denture by using the mold to mold the teeth used in the denture, not only can reduce the manufacturing time, but also has the effect of increasing the productivity and cost by reducing labor costs.

1 is a process flowchart of a method of manufacturing a denture according to embodiments of the present invention;
2 is a cross-sectional view of a tooth in accordance with an embodiment of the present invention;
3 is a plan view of a tooth mold according to an embodiment of the present invention,
Figure 4 is a side cross-sectional view of the tooth mold according to an embodiment of the present invention,
Figure 5 is a perspective view of the denture produced by the tooth mold of Figure 3,
6 is a plan view of a dental mold according to another embodiment of the present invention,
Figure 7 is a side cross-sectional view of the dental mold according to another embodiment of the present invention.
8 is a perspective view of a denture manufactured by the tooth mold of FIG. 6.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention instead of making a number of teeth to be used in the dentures to fix the position individually to the dentures, instead of using the tooth mold to produce the teeth used in the dentures to facilitate the manufacturing process, manufacturing time It is shortened.

1 is a process flow chart of a denture manufacturing method according to embodiments of the present invention, Figure 2 is a cross-sectional view of the tooth according to an embodiment of the present invention, Figure 3 is a plan view of a tooth mold according to an embodiment of the present invention to be. And, Figure 4 is a side cross-sectional view of the tooth mold according to an embodiment of the present invention, Figure 5 is a perspective view of a denture produced by the tooth mold of FIG. And, Figure 6 is a plan view of a tooth mold according to another embodiment of the present invention, Figure 7 is a side cross-sectional view of the tooth mold according to another embodiment of the present invention, Figure 8 is by the tooth mold of Figure 6 A perspective view of a manufactured denture.

In the denture manufacturing method according to an embodiment of the present invention, as shown in Figure 1, the step of selecting a mold (16, 16a) of a plurality of teeth (8) integrally molded (S10), tooth mold 16 Step (S20), the junction layer 10 of the tooth (8) is divided into (16a) for the junction (18) (18a), dentin (20) (20a) and enamel (22) (22a). It comprises the step of forming (S30), the step of forming the dentin layer 12 of the tooth (8) (S40), the step of forming the enamel layer 14 of the tooth (8) (S50).

In the embodiments of the present invention, the artificial teeth 8 used for the dentures 2 and 2a are shown in FIG. 2, according to the layered structure of the natural teeth of a person, according to the junction layer 10 and the dentin layer 12. And enamel layer 14 to produce stepwise.

Dentures (2) (2a) according to the embodiments of the present invention is molded in the shape of a plurality of teeth (8) integrally, the junction layer contacting the gum to form a different material according to the structure of the tooth (8) 10) and the dentin layer 12 and the outermost enamel layer 14 on the upper surface of the junction layer 10 are configured to be manufactured step by step with different dental molds 16 and 16a, respectively.

First, in the step (S10) of selecting a dental mold mold, the human teeth 8 are largely classified by a predetermined influence factor.

Influencing factors for classifying teeth 8 may include face shape, alveolar bone length, jawbone length, and occlusal angle of occlusal surface.

Teeth 8 may be divided into oval, cusp, rectangular, square, and mixed shapes according to the shape of the face, and the length may be determined according to the length of the alveolar bone in the oral cavity. Then, the overall shape of the denture (2) (2a) is determined according to the jaw length, and the angle of the tooth (8) mastication portion can be determined according to the cusp angle of the molar occlusal surface.

The dental molds 16 and 16a are largely divided into several ranges based on the data set in advance based on the above-described influence factors, and manufactured by type within the ranges.

In step (S10) of selecting the dental mold (16) (16a), the user's face shape, alveolar bone length, jawbone length and occlusal angle of the occlusal surface to measure any type of dental mold (16) ( Choose whether it corresponds to 16a).

According to the degree of tooth damage of the user, the dental mold 16 and 16a are manufactured for the use of the total teeth 2 formed with 14 upper teeth 3 and 14 lower teeth 5 integrally as shown in FIG. 3, or as shown in FIG. 8. The shape of the upper teeth 3a and the lower teeth 5a divided into six anterior parts and four left and right posterior parts may be manufactured for use as a partially molded denture 2a.

The dental molds 16 and 16a determined as described above are divided into joints 18 and 18a, dentin 20 and 20a and enamels 22 and 22a for each layer of the tooth 8. (S20). At this time, the tooth molds 18, 20, 22, 18a, 20a and 22a for the joint portion and the dentin and enamel are molded in the upper teeth 3 and the lower teeth 5, or the upper teeth 3a. ) And the lower teeth (5a) divided into six anterior (4) and four left and right posterior (6) is configured to be molded.

The tooth mold 16 and 16a is composed of upper mold 24 and 24a and lower mold 26 and 26a in which the shapes of the teeth 8 are molded, as shown in FIGS. 3 and 4. . The upper mold 24, 24a is formed in an intaglio shape on the bottom of the upper surface of the teeth (8), the lower surface of the tooth 8 is formed in an intaglio shape on the upper surface of the lower mold (26, 26a) do. Resin injection portion 28 is formed in the upper mold 24, 24a is coupled to the lower mold 26, 26a is configured to easily inject the resin.

Among the mold dies 16 and 16a, the mold dies 18 and 18a for the joining portion are formed by molding the shape of the joining portion layer 10 of the tooth 8, as shown in Figs. And the dentin mold 20 (20a) for dentin is formed by molding the shape from the junction layer 10 of the tooth to the dentin layer 12 of the tooth, as shown in Figs. 4 and 7 (b). The enamel molds 22 and 22a are formed by molding the shape of the entire tooth 8 as shown in FIGS. 4 and 7 (c).

The user molds the joint part layer 10 of the tooth using the mold part 18 and 18a for the joint part (S30), and puts the joint part layer 10 of the tooth into the mold mold 20 and 20a for the dentin. The dentin layer 12 is formed on the upper surface (S40), and the dentin layer 12 bonded to the junction layer 10 of the tooth 8 is placed in the enamel mold 22 and 22a, and the enamel layer on the upper surface. Molding (14) (S50) can be produced step by step by selecting the appropriate material according to the structure of the teeth (8).

The tooth 8 may be manufactured using an acrylic resin having a tooth color, and the acrylic resin having high hardness and transparency gradually goes to the outer junction layer 10, the dentin layer 12, and the enamel layer 14. Can be used. Acrylic resin may be injected through the resin injection portion 28 formed in the upper dental mold (24, 24).

The acrylic resin used in the junction layer 10, the dentin layer 12, and the enamel layer 14 may be formed by a self-heating polymerization or a thermal polymerization method and may be smoothly bonded to each other without a seamless.

4 and 7 (a), the tooth joint layer 10 is molded by injecting a soft acrylic resin having a tooth color into the mold mold 18 and 18a for the joint (S30). Since the bonding layer layer 10 of the tooth 8 is a part in contact with the gum, it is possible to use a soft acrylic resin having good adhesion and good adhesion with the acrylic resin used as the gum.

As shown in FIG. 2, a retaining groove 30 may be further formed in the joint layer 10 of the tooth to increase structural coupling force with the resin used as the gum. Retaining groove 30 may be formed in plural on the bottom and rear side of the junction layer 10 of the tooth. In the embodiment of the present invention, but the shape of the retaining groove 30 is formed in a square, it will be apparent to those skilled in the art that it may be formed in a variety of shapes, such as a triangle, a semicircle as a modification.

And the dentin layer 12 of the tooth 8 puts the junction layer 10 of the tooth 8 into the dentin mold 20 and 20a as shown in FIG.4 and FIG.7 (b). (10) The dentin material may be poured onto the upper surface to be integrally molded (S40).

The dentin layer 12 of the tooth 8 is formed by injecting a resin of a material having a higher hardness and having a transparent color than the joint of the tooth 8. In this case, the dentin layer 12 of the tooth 8 may use an acrylic resin having about 30% opacity than the enamel layer 14 of the tooth 8 to be described later.

The dentin layer 12 of the tooth 8 is integrally formed with the junction layer 10 of the tooth 8 in a self-heating polymerization or thermal polymerization manner.

Finally, the enamel layer 14 of the tooth 8 is a mold for enameling the junction layer 10 and the dentin layer 12 of the tooth 8 integrally bonded as shown in FIGS. 4 and 7 (c). The enamel material is poured into the (22) and (22a) and the enamel material is poured onto the upper surface of the dentin layer 12 so as to be integrally formed (S50).

The enamel layer 14 of the tooth 8 should be formed of the hardest material as the outermost layer of the tooth 8. In an embodiment of the present invention, the enamel layer 14 of the tooth 8 may be used as a hard acrylic resin having a high hardness and a transparent color than the dentin of the tooth 8.

The enamel layer 14 of the tooth 8 is bonded to the upper surface of the dentin layer 12 of the tooth 8 by a self-heating polymerization or thermal polymerization method, and the junction layer 10 and the dentin layer 12 of the tooth 8 It is formed integrally.

The dentures (2) (2a) manufactured by the method as described above are manufactured by integrally manufacturing a plurality of teeth (8) used for the total denture (2) or partial denture (2a) as shown in Figs. The process and manufacturing time can be dramatically shortened. In addition, by individually manufacturing the teeth (8) to reduce the effort of manually fixing the position of the person manually to the denture (2) (2a) has the effect of increasing productivity and reducing costs.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be defined by the equivalent of claims and claims.

2,2a: Denture 4: Anterior part
6: posterior part 8: teeth
10: junction layer 12: dentin layer
14: enamel layer 16,16a: tooth mold
18,18a: Mold mold for joint 20,20a: Mold mold for dentin
22,22a: enamel mold 28: resin injection unit

Claims (7)

Classifying the teeth 8 to select the tooth molds 16 and 16a in which a plurality of teeth 8 shapes are integrally molded;
To classify the tooth mold 16 (16a) by the structure of the tooth (8) to divide into the joints (18) (18a), dentin (20) (20a), enamel (22) (22a),
Molding a joint layer layer 10 of the teeth 8 in contact with the gum by injecting a soft resin having good adhesion and tooth color into the mold dies 18 and 18a for the joint portion,
After inserting the joint layer 10 of the tooth 8 into the mold mold 20, 20a for dentin, and then injecting a resin of high hardness with a transparent color on the upper surface of the joint layer 10 of the tooth Shaping the dentin layer 12 of the tooth,
After inserting the dentin layer 12 integrally bonded with the junction layer 10 of the tooth 8 into the mold mold 22 and 22a for enamel, the upper surface has a transparent color than the dentin layer 12 of the tooth. Denture manufacturing method using a dental mold, characterized in that for molding the enamel layer of the tooth 14 by injecting a resin of a high hardness material.
The method of claim 1,
The tooth mold frame 16 or 16a has the overall shape of the upper teeth 3 and the lower teeth 5, and the upper teeth 3a and the lower teeth 5a are divided into six anterior parts 4 and four left and right posterior parts 6. Denture manufacturing method using a tooth mold, characterized in that one shape is molded integrally.
The method of claim 1,
Tooth (8) is a denture manufacturing method using a tooth mold, characterized in that classified according to the shape of the face, alveolar bone length, jaw length and occlusal surface.
Dentures produced by the method of any one of claims 1 to 3.
The teeth 8 are classified to form a tooth mold 16 in which 14 upper teeth 3 and 14 lower teeth 5 are integrally molded, and the tooth mold 16 is a joint layer layer of the tooth 8 ( 10) the mold mold for joining part 18 molded in the shape, the mold mold 20 for dentin molding the shape from the joint part layer 10 of the tooth 8 to the dentin layer 12 of the tooth 8 and Tooth mold mold, characterized in that the tooth (8) is formed by molding the mold enamel mold 22 for the entire tooth (8).
Tooth (8) is divided into upper teeth (3a) and lower teeth (5a) divided into six anterior parts (4) and four left and right posterior parts (6) to form a dental mold (16a) molded in their shape integrally, The mold mold 16a includes a mold mold 18a for the joint portion in which the shape of the joint layer layer 10 of the tooth 8 is molded, and the dentin layer 12 of the tooth 8 from the joint layer layer 10 of the tooth 8. Tooth mold mold characterized in that the tooth mold 8 is formed by forming a denture mold 20a for molding the shape up to and the enamel mold mold 22a in which the entire tooth 8 is molded. .
The method according to claim 5 or 6,
Tooth (8) is a dental mold, characterized in that the classification according to the face shape, alveolar bone length, jaw length and occlusal surface of the occlusal surface.

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