JPH0622990A - Guide plate for artificial tooth arrangement - Google Patents

Abstract

PURPOSE:To speedily achieve the standard arrangement without requiring skillfulness by forming a recessed part for holding the artificial teeth consisting of at least two teeth, in the standard arrangement corresponding to the biting pattern and dimension of the artificial teeth, on the surface side of a guide plate for the artificial tooth arrangement. CONSTITUTION:A guide plate 1 for arranging artificial teeth in which a plurality of molars (in the figure, four) are continuous, is formed by using the material, preferably having transparency. On the surface 1a, and, if necessary, on the reverse surfaces 1b, a recessed part 1d into which the biting surface side of each artificial tooth 2 is fitted, is formed so that the standard arrangement of the life-sized artificial teeth 2 which is same as the arrangement order of the natural teeth and corresponds to the biting pattern and dimension of the artificial teeth 2 can be kept and the artificial teeth can be easily pulled out. Further, a holding part 1c for holding by hands is formed at the edge part. Further, when the recessed part 1d formed on the obverse and reverse surfaces 1a and 1b is a recessed part for the artificial teeth 2 consisting of molars, a hole 1e for the communication for both the recessed parts 1d and the biting contact point part between each biting head and cavum, is drilled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention facilitates the production of a partial denture or a complete denture in which two or more teeth are continuous, on the occlusal ridge based on the alignment standard adapted to the occlusal style of the artificial tooth. Also, the present invention relates to a guide plate for artificial tooth arranging, which enables rapid arranging.

[0002]

2. Description of the Related Art For artificial teeth, various occlusal styles such as full balance occlusion as shown in FIG. 6, monoprene occlusion as shown in FIG. 7 and lingualized occlusion as shown in FIG. 8 are manufactured and sold. Depending on each of these occlusal patterns, the pound line, the arranging position with respect to the virtual occlusal plane c, the adjusting curve, the buccolingual arranging position determined by the alveolar crest line, the inclination of the tooth axis, and the like are different.

In the presence of artificial teeth of various occlusal styles as described above, a dentist has two or more teeth for a patient who has consecutively missing two or more teeth or a patient who has requested to create a complete denture. In the case of producing a partial denture or a complete denture in which the above are continuous, the following steps are usually performed. That is, first the dentist examines in the oral cavity, then the impression in the oral cavity is taken with the impression material, and the plaster or investment material is poured into the obtained impression mold to create a working model, and then the working model. Attach a wax bite with standard dimensions on top.
Then, select an occlusal style artificial tooth suitable for the patient, select an artificial tooth with a size suitable for the patient, embed the artificial tooth in the wax occlusal ridge to form gingiva, and create a wax denture for denture preparation. After burying the wax denture in a flask with a plaster investment material and hardening of the gypsum investment material, the wax is washed away with hot water, and then a denture base resin is injected into the void to polymerize and cure the denture base resin, After digging out the denture base obtained by cooling from the plaster investment material, after correcting or polishing the obtained partial denture or full denture, it is further corrected or polished with a trial fitting device in the oral cavity. That work is completed.

[0004] In such a large number of steps, the important point of whether or not the partial dentures or full dentures produced are satisfactory for the patient depends on whether the occlusal artificial tooth suitable for the patient is selected. It depends on whether or not to select, and how to embed the selected artificial tooth in the wax occlusal ridge in a state adapted to the oral cavity of the patient to produce a wax denture. That is, a normal artificial tooth is temporarily fixed to a main body of an artificial tooth holding plate, which is commonly called a wax plate, by a wax material so that the surface of the artificial tooth (the buccal side surface of the artificial tooth) is exposed in the same arrangement order as the natural tooth. It is lined up in a closed state. However, among artificial teeth, since the artificial teeth for the molars play an important role as masticatory and occlusal functions, the functional occlusion relationship, the inclination of the tooth axis for each cusp inclination of the artificial tooth, the adjustment curve, and the alignment to the virtual occlusal plane Since it is necessary to arrange the artificial teeth in consideration of the position, etc., when these are temporarily fixed with a wax material so that the buccal side surface of the artificial tooth is exposed to the plate-shaped artificial tooth holding plate for molar teeth, these Since the relationship cannot be judged, the artificial tooth for the molars is removed from the wax plate, and the temporary occluding adhesive such as utility wax prepared in advance is used to re-align the teeth, and the occlusal relationship in the oral cavity,
Very laborious work is required to determine the adjustment curve and the arrangement position. Since such an artificial tooth arrangement differs depending on the occlusal pattern of the artificial tooth, it is a very complicated work and requires skill.

Explaining this, for example, regarding the arrangement of artificial teeth in the molars, an artificial tooth of an occlusal style suitable for each floor is selected, and the upper jaw method (the upper molars are first arranged and then the lower molars are occluded with them). Method) or the mandibular method (the method of arranging the mandibular molars first and then occluding the maxillary molars). At this time, when the model of the dentition of the mandible is viewed from above, the eccentricity of the mandibular canine If the lingual side of the mandibular molar is placed within the two straight lines that connect the angle and the posterior pad, the artificial dentition will be very close to the natural dentition, so these two straight lines, the virtual occlusal line Alignment position for each molar from the plane,
The adjustment curve is determined. For example, when an artificial tooth with a tilt angle of 30 degrees is used in a full-balance occlusion occlusion style, the mesio-distal adjustment curve from the virtual occlusal plane to each molar is as shown in Fig. 9. Is appropriate,
For the buccolingual adjustment curve for each molar from the virtual occlusal plane, the numerical values shown in FIG. 10 are appropriate, and in the occlusal state, it is appropriate that the alveolar crest line relationship shown in FIG. 11 is appropriate. Of.

[0006] When performing artificial tooth alignment in this way,
Not only planar arrangement of artificial teeth, but also various adjustments such as mesio-distal and bucco-lingual adjustment curves from the virtual occlusal plane, and inclination of tooth axis are very time-consuming and proficient. Was required.

[0007]

DISCLOSURE OF THE INVENTION The present invention solves the above problems in the conventional artificial tooth arrangement, and can easily and quickly perform a standard arrangement suitable for the occlusion mode without requiring skill. The task is to do so.

[0008]

Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventors have found that artificial teeth of various occlusal styles, and a pound line or a virtual occlusal plane suitable for the dimensions of the artificial teeth are used. Continuing in the same order as the natural teeth, considering the alignment of the posterior teeth, adjustment curve, buccolingual alignment determined by the alveolar crest line, tooth axis inclination, and vertical occlusal relationship if necessary. Artificial teeth of two or more full-scale artificial teeth that are arranged in a row can be held by a standard arrangement standard corresponding to the occlusal style and size of the artificial teeth and can be easily pulled out from the held state. If a guide plate for artificial tooth arrangement is used, in which the concave portion into which the surface side is fitted is also formed on the front surface side and, if necessary, on the rear surface side, the occlusal surface side of the artificial tooth is inserted into the concave portion of the artificial tooth arrangement guide plate. Fit in a standard arrangement By fixing the occlusal ridge side of the artificial tooth held by the wax with wax or immediate polymerization resin, it is possible to arrange artificial teeth all at once, and since this operation does not require special skill, anyone can easily and quickly perform standard operation. The present invention has been completed by clarifying that it is possible to perform various artificial tooth arrangements, and it is possible to perform artificial tooth arrangement in an occlusal manner suitable for the intermaxillary relationship.

As the artificial tooth arranging guide plate, artificial teeth of various occlusal styles and a pound line suitable for the dimensions of the artificial teeth and an arranging position for each molar from the virtual occlusal plane, an adjustment curve, and an alveolar crest line are used. The occlusal surface side of artificial teeth in which two or more teeth are consecutively arranged so that the determined buccolingual arrangement position, the inclination of the tooth axis and, if necessary, the vertical occlusal relationship become a standard arrangement Impression molds can be made by impressing each one, and synthetic resin, synthetic rubber, ceramics, metal, etc. can be injected according to the impression molds.

It is convenient to use that the artificial tooth arranging guide plate has a holding portion that can be held by hand at the end, and if the material forming the guide plate is transparent, it is continuous. It is convenient because you can directly observe the occlusal relationship and the arrangement state of two or more full-size artificial teeth that are arranged in a row. The artificial tooth located at the end of the artificial tooth is the first
In the case of a premolar, if the length from the edge to the mesial diameter of the recess is 0.5 mm or less, it can be used without contacting the canine tooth of the anterior tooth with the main body of the alignment guide plate, and it can be fitted into the recess to be continuous. If the artificial tooth located at the end of the two or more full-scale artificial teeth to be arranged is the second molar, and if the length from the edge to the centrifugal diameter of the recess is 0.5 mm or less, It was also clarified that it can be used without contacting the rear guide plate body with the molar pad.

When a concave portion into which the occlusal surface sides of the upper and lower jaw artificial teeth are fitted is formed on both front and back surfaces of the artificial tooth arranging guide plate, and the artificial tooth is a molar tooth. If a hole is made to communicate between the occlusal contact points of the posterior teeth where each cusp and fossa are mated, the occlusal relationship between the upper and lower jaws can be identified by using this hole for marking with, for example, an oil-based pen. It has been made clear that it is convenient when making partial dentures or complete dentures in which two or more teeth are continuously missing at the top and bottom and the missing teeth are occluded. I did.

Hereinafter, embodiments of the artificial tooth arranging guide plate according to the present invention will be described in detail with reference to the drawings. 1 is 2
FIG. 2 is a perspective view of an embodiment of an artificial tooth arranging guide plate according to the present invention in which individual molars are continuous, and FIG. 2 is 1 of an artificial tooth arranging guide plate according to the present invention in which four molars are continuous. 3 is a perspective view of the embodiment, FIG. 3 is a sectional view taken along the line AA in FIG. 2, and FIG.
FIG. 5 is a cross-sectional explanatory view showing a state in which the occlusal surface sides of the artificial teeth are fitted in the recesses on the front and back surfaces of the artificial tooth arranging guide plate shown in FIG. 5, respectively, and FIG. 5 shows the artificial teeth held in the state shown in FIG. It is a front view of what was held by and regulated the positional relationship.

In the drawings, reference numeral 1 denotes an artificial tooth arranging guide plate according to the present invention, which is made of a material such as synthetic resin, synthetic rubber, ceramics, metal, etc., and an artificial tooth arranging guide plate 1 according to the present invention. Among the above-mentioned materials that form, silicone rubber, ionomer resin, vinylidene chloride resin,
Using transparent materials such as polyvinyl chloride resin, butadiene resin, polyacrylate resin, polycarbonate resin, polystyrene resin, polysulfite resin, polysulfone resin, methacryl resin, epoxy resin, urethane resin, acetate plastic, and celluloid. When the artificial tooth arranging guide plate 1 is made transparent, a concave portion into which the occlusal surface sides of the artificial teeth for the upper jaw and the lower jaw are fitted is formed on both front and back sides of the artificial tooth arranging guide plate 1 as described later. When it is formed, the occlusal relationship can be visually confirmed, which is advantageous in that occlusal adjustment and artificial tooth alignment can be easily performed.

Guide plate 1 for artificial tooth arrangement according to the present invention
In addition, the front side 1a and, if necessary, the back side 1b of the artificial tooth 2 of the actual size can be held in the same order as the natural tooth in a standard ordering standard corresponding to the occlusal style and size of the artificial tooth 2. In addition, a recess 1d into which two or more artificial teeth 2 are continuously inserted so that the occlusal surface side of the artificial teeth 2 is fitted so as to be easily pulled out.
Are required to be formed, and it is preferable that a holding portion 1c that can be held by hand is formed at the end thereof.

When the artificial tooth 2 located at the end of the two or more full-size artificial teeth 2 fitted in the concave portion 1d and continuously arranged is the first premolar, If the length a from the edge to the mesial diameter of the recess 1d is 0.5 mm or less, it is preferable because the artificial tooth arranging guide plate 1 can be used without contact with the anterior canine teeth. Further, when the artificial tooth 2 located at the end of the artificial teeth 2 of two or more teeth which are fitted in the concave portion 1d and continuously arranged is the second molar tooth, the centrifugal force of the concave portion 1d from the peripheral edge is increased. If the length b up to the diameter is 0.5 mm or less, it is preferable because the artificial tooth delivery guide plate 1 can be used without contacting the molar pad.

Further, the artificial tooth 2 in which the concave portion 1d formed on the front surface 1a side and the back surface 1b side is composed of upper and lower jaw molars
In the case of the concave portion 1d for use with the
If there is a hole 1e that communicates between the occlusal contact points of each cusp with the concave portion 1d on the side and the fossa, if the hole 1e is used for marking, for example, with an oil-based pen, etc. This is convenient when making a partial denture or full denture in which the relationship can be clearly defined and the upper and lower teeth are continuously lost by two or more teeth and the missing teeth are occluded.

[0017]

The artificial tooth arranging guide plate 1 according to the present invention having such a structure has two or more full-size artificial teeth 2 which are continuously arranged in the same arranging order as the natural teeth and occlusate the artificial teeth 2. Since the dented portion 1d into which the occlusal surface side of the artificial teeth 2 can be inserted is formed on the surface 1a side so that the artificial tooth 2 can be held on the standard arrangement standard corresponding to the style and dimensions and can be easily pulled out from the held state. When the occlusal surface sides of the artificial teeth 2 are fitted into the recesses 1d of the artificial tooth arranging guide plate 1, respectively, the occlusal surface sides of the artificial teeth 2 that are fitted are determined by the occlusal style of the artificial teeth 2 and the dimensions of the artificial teeth 2. It is formed on a suitable pound line, an arranging position from the virtual occlusal plane, an accommodation curve, a buccolingual arranging position determined by the alveolar apex line, the inclination of the tooth axis, and the front surface 1a side and the rear surface 1b side. The recess 1d is composed of upper and lower molars. When the recess 1d for the artificial tooth 2 is provided with a hole 1e for communicating between the occlusal contact points between the cusps of the recess 1d on the front surface 1a side and the recess 1d on the back surface 1b side and the fossa Since the hole 1e can be used for marking with an oil-based pen or the like to clearly show the occlusal relationship between the upper and lower jaws, the occlusal surface of the artificial tooth 2 in the recess 1d of the artificial tooth arranging guide plate 1 The occlusal ridge side of the artificial tooth 2 which is inserted in the side and held in an average positional relationship is fixed with wax or immediate polymerization resin 3 and then the fixed artificial tooth 2 is arranged as shown in FIG. If it is removed from the concave portion 1d of the guide plate 1 for artificial teeth, it is possible to perform artificial tooth alignment all at once. Since this operation does not require special skill, anyone can easily perform standard artificial tooth alignment. Artificial teeth can be arranged in an occlusal manner suitable for the relationship.

Then, the artificial tooth 2 fixed with the wax or the instant polymerization resin 3 after being removed from the recessed portion 1d of the artificial tooth arranging guide plate 1 is embedded in a wax occlusal ridge to form a gingiva to form a wax denture. Immediately after burying this wax denture with a plaster investment material in a flask for producing a denture similar to the conventional one, and when the gypsum investment material hardens, the wax is washed away with hot water, and a resin for denture base is injected into the void. It is possible to manufacture a partial denture or a complete denture by polymerizing and hardening the resin for a denture base and then cooling the obtained denture base from a plaster investment material, and the manufactured partial denture or full denture is in a good arrangement state. As a result, there is almost no need for the work of using a trial fitting device for further correction and polishing.

[0019]

As described in detail above, the guide plate for arranging artificial teeth according to the present invention is such that the occlusal surface side of the artificial tooth is fitted into the recess and the occlusal ridge side of the artificial tooth is waxed or immediately polymerized in this state. If fixed with, the occlusal surface side of each artificial tooth is held in an average positional relationship, so it has various advantages as listed below, and its value in the dentistry field is extremely high. It's a big one. It is possible to arrange artificial teeth that require skill easily and quickly, even for beginners and suitability standards. The artificial tooth arrangement can be adapted to the occlusal style most suitable for the dentist's intermaxillary relationship. The technician operation time can be completed in a short time regardless of the skill level of the engineer. Since the artificial tooth arrangement is formed on the basis of the arrangement standard adapted to the occlusal pattern of the artificial tooth, it can be used as a teaching material of occlusal school at school.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of an artificial tooth arranging guide plate according to the present invention in which two molars are continuous.

FIG. 2 is a perspective view of an embodiment of the artificial tooth arranging guide plate according to the present invention in which four molars are continuous.

3 is a cross-sectional view taken along the line AA in FIG.

FIG. 4 is a cross-sectional explanatory view showing a state in which the occlusal surface sides of artificial teeth are fitted in the recesses on the front and back surfaces of the artificial tooth arranging guide plate shown in FIG. 3, respectively.

FIG. 5 is a front view of the artificial tooth held in the state shown in FIG. 4 held by a wax rod to regulate its positional relationship.

FIG. 6 is an explanatory diagram showing an occlusion mode of a full balance occlusion artificial tooth.

FIG. 7 is an explanatory diagram showing an occlusion mode of a monoprene occlusion artificial tooth.

FIG. 8 is an explanatory diagram showing an occlusion mode of a lingualized occlusion artificial tooth.

FIG. 9 is a numerical example showing a mesio-distal adjustment curve for each molar from a virtual occlusal plane.

FIG. 10 is a numerical example showing a bucco-lingual adjustment curve for each molar from the virtual occlusal plane.

FIG. 11 is an explanatory diagram of an alveolar crest law in an occlusal state.

[Explanation of symbols]

 1 Artificial tooth arrangement guide plate 1a according to the present invention 1a Front surface 1b Back surface 1c Holding portion 1d Recessed portion 1e Hole for communicating between occlusal contact points between cusp and fossa 2 Artificial tooth 3 Wax or instant polymerization resin a Length up to mesial radius b Length from edge to distal diameter of recess c Virtual occlusal plane

Claims (7)

[Claims] 1. A standard arrangement standard corresponding to the occlusal style and size of the artificial tooth (2) having two or more full-size artificial teeth continuously arranged in the same arrangement order as natural teeth. The artificial tooth is characterized in that a concave portion (1d) into which the occlusal surface side of the artificial tooth (2) is fitted is formed on the surface (1a) side so that the artificial tooth (2) can be held by Alignment guide plate (1). 2. The guide plate for artificial tooth arrangement according to claim 1, wherein a holding portion (1c) which can be held by hand is formed at an end portion.
(1). 3. A guide plate for dentition of artificial teeth according to claim 1, wherein the material forming the guide plate is a transparent material.
(1). 4. The artificial tooth (2) located at the end of the artificial tooth (2) of two or more teeth fitted in the recess (1d) and continuously arranged is the first premolar. If the recess (1
The guide plate (1) for artificial tooth arrangement according to any one of claims 1 to 3, wherein the length (a) up to the mesial diameter of d) is 0.5 mm or less. 5. The artificial tooth (2) located at the end of the artificial tooth (2) of two or more teeth that is fitted in the recess (1d) and is continuously arranged is the second molar tooth. If the recess (1
The guide plate (1) for artificial tooth alignment according to any one of claims 1 to 4, wherein the length (b) up to the centrifugal diameter of d) is 0.5 mm or less. 6. The artificial tooth arranging guide plate (1) according to any one of claims 1 to 5, wherein the recess (1d) is also formed on the back surface (1b) side. 7. An artificial tooth in which the recesses (1d) formed on the front surface (1a) side and the back surface (1b) side are composed of upper and lower jaw molars.
The recess (1d) for (2), the recess (1d) on the front surface (1a) side and the back surface
The artificial body according to any one of claims 1 to 6, wherein a hole (1e) for communicating between occlusal contact points of each cusp with the recess (1d) on the (1b) side and the fossa is provided. Guide plate for tooth arrangement (1).