JP2791312B2 - Jig for dental photography - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental photographing jig used for examining an oral cavity in a dental area.

[0002]

2. Description of the Related Art In recent years, the importance of oral health has been recognized with the advance of medicine, and dentists have been interested in oral health by various methods, and dentists have been aware of the condition of their oral cavity by various methods. Trying to motivate health.

[0003] As one of the typical methods, a photograph of the state of the oral cavity is taken so that each person can recognize the state or save it as a record.

[0004] When taking a photograph of the oral cavity, there are two types of photographing: the upper jaw and the lower jaw are opened, and the inside is photographed mainly, and the upper jaw and the lower jaw are closed, and only the lip is opened and the photograph is centered on the teeth. There is.

[0005] When photographing the teeth of the oral cavity, there is a need for an assisting device for holding the lips open while closing the upper and lower jaws, and conventionally, as the assisting device, the mouth angle of the subject to be photographed from both sides backward. An angled hook that pulls in is used.

That is, the corner hooks are formed of metal,
It is hung on the corners of the lips on both sides of the subject's lips, and is used by a photographing assistant pulling behind the subject, exposing the teeth with the upper and lower jaws closed. In order to prevent infection from germs, it is sterilized before use.

[0007]

As described above, in the conventional method of taking a photograph of a tooth using the corner hook of the mouth,
For example, when photographing a large number of people for a group dental checkup, it is necessary to repeat the sterilization of the mouth corner hooks each time the subject changes, which not only has a poor hygienic image but also the personnel who takes the photograph In addition to the above, there is a problem that assistant personnel and preparations are required for pulling the corner of the mouth and for sterilization and disinfection, which increases the examination cost.

[0008] The present invention has been made in view of the above-described problems. For example, even when a large number of people take pictures,
It is not necessary to repeat sterilization and mouth corner operations for each subject, reducing the number of assistants and preparations, reducing the cost of examination, and allowing anyone to take teeth easily. The purpose is to provide tools.

[0009]

That is, a dental photographing jig according to claim 1 of the present invention is a dental photographing jig used by being fitted into an opening of a mouth formed by a lip, A jig body formed by bending the elliptical long axis in the depth direction of the oral cavity, and a jig main body formed in a substantially elliptical shape when viewed from the front, and an outer peripheral direction of the jig main body around the entire circumference of the annular jig main body. The jig body is formed with a U-shaped cross section, the upper lip and the lower lip are fitted in the U-shaped portion in the short axis direction of the jig main body, and the right and left corners of the mouth are formed in the U-shaped portion in the long axis direction. A lip fitting groove to be fitted, wherein the teeth are exposed in a state where the lips and the corners of the mouth are fitted into the lip fitting grooves of the annular jig main body and the upper jaw and the lower jaw are engaged with each other.

That is, in the jig for dental photographing according to the first aspect of the present invention, the jig body in which the U-shaped groove into which the upper and lower lips and the left and right mouth corners of the subject are fitted is formed into an elliptical ring, For example, the jig body is formed of an inexpensive insulating material such as paper or plastic, and the jig body is formed along the upper jaw and the lower jaw and both ends in the longitudinal direction are curved in the depth direction of the oral cavity. The imaging jig can be disposable and used for each person, and the exposed state of the teeth can be maintained without the assistance of an assistant.

The dental photographing jig according to a second aspect of the present invention is the dental photographing jig according to the first aspect, wherein the lip fitting groove is formed with a length of the annular jig main body. At four positions sandwiching the major axis at both ends in the axial direction, there are provided protrusions that are offset only in the depth direction of the oral cavity.

That is, in the jig for dental photographing according to the second aspect of the present invention, the lip fitting grooves at both ends in the longitudinal direction of the annular jig body at four positions sandwiching the long axis in the depth direction of the oral cavity. Since only one-sided convex portion is formed, the lips at the upper and lower portions of the mouth corner are strongly pushed particularly inward, and both ends of the tooth are exposed to the back, and the outer sides of the lips at the upper and lower portions of the mouth corner are exposed. As a result, the jig body can be prevented from falling off.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a configuration of a dental photographing jig according to an embodiment of the present invention, and FIG.
FIG. 1B is a front view, FIG. 2B is a cross-sectional view along line AA, and FIG. 1C is a cross-sectional view along line BB.

The unit of the dimension value in FIG. 1 is (mm), which is a design value as one embodiment of the dental photographing jig. This dental photographing jig 10 is made of sterilized and disinfected paper or plastic, and is used by being fitted into an opening of a mouth formed by a lip of a subject, and its main body is substantially in a front view. It is configured as an elliptical ring.

The annular jig main body 10 has both ends in the direction of the major axis X of an elliptical shape curved in the depth direction of the oral cavity, and has a shape along the curvature of the upper and lower jaws from the front. Is configured as

The annular jig body 10 is formed with a lip fitting groove 11 having a U-shaped cross section and having an opening in the outer circumferential direction over the entire circumference. The upper lip and the lower lip of the subject are fitted into each U-shaped portion 11a, 11b of the groove 11 corresponding to the direction, and each U-shaped portion 11c, 11d of the groove 11 corresponding to the long axis direction. The right and left corners are fitted.

Further, the lip fitting groove 11 is provided with four convex portions 12a, which are offset only in the depth direction of the oral cavity, at four positions sandwiching the long axis at both ends in the long axis direction of the annular jig body 10.
12b, 12c and 12d are formed. The four projections 12a to 12d of the lip fitting groove 11 appear as four depressions 13a to 13d on the side wall of the annular jig body 10 when the annular jig body 10 is viewed from the inside of the oral cavity.

One side of the U-shaped portion of the lip fitting groove 11 corresponds to the back side of the oral cavity and corresponds to one side of the side sandwiched by the gingival lip transition of the subject.
The character-shaped opening is formed loosely and long.

Next, the procedure for exposing the teeth of the oral cavity using the dental photographing jig 10 having the above configuration will be described. First, the mouth of the subject is opened, and the subject himself fits the upper lip, the lower lip, and the corner of the mouth into the lip fitting groove 11 of the dental photographing jig 10. And
By lightly closing and biting the upper and lower jaws, the jig body 10 is held by the force to close the lips,
The teeth of the subject are exposed, and a photograph is taken with a camera.

In this case, the entire shape of the jig main body 10 conforms to the curvature of the upper jaw and the lower jaw from the front part, which is formed by curving both ends in the direction of the long axis X of the ellipse in the depth direction of the oral cavity. And the lip fitting groove 11
In one side of the U-shaped portion, the U-shaped opening is formed loosely and long on one side sandwiched by the gingival lip transition portion of the subject corresponding to the back side of the oral cavity,
The jig body 10 is reliably held down by the lips which are spread out up and down and left and right of the subject, and the exposure state of the teeth is maintained without any assistance and without any hands attached. Will be able to

As a result, anyone can easily photograph the teeth of the examinee. Also, the lip fitting groove 1
In FIG. 1, convex portions 12a, 12b, 12c, and 12d that are offset only in the depth direction of the oral cavity are formed at four positions sandwiching the long axis at both ends of the annular jig body 10 in the long axis direction.
The lips in the upper and lower portions of the corner of the mouth are strongly pushed particularly inward, so that both ends of the tooth can be exposed to the back. At the same time, the outside of the lips in the upper and lower portions of the corner of the mouth is the convex portion 1
2a, 12b, 12c, and 12d are suppressed,
The jig body 10 can be prevented from falling off.

The dental photographing jig 10 includes:
As a material thereof, sterilized paper or plastic is used as a material. For example, when a large number of teeth are photographed in association with a group dental checkup, the dental photographing jig 10 is used by the number of subjects. By preparing disposable parts and disposable for each person, there is no need for auxiliary personnel and preparations for pulling the corner of the mouth and sterilizing and disinfecting, which were conventionally required except for the photographer, and the examination cost can be reduced. .

When the dental photographing jigs 10 are prepared by the number of photographed persons when photographing a large number of teeth, the dental photographing jigs 10 prepared in large numbers are prepared. By attaching identification information such as a serial number to each front face, management as group dental examination data can be easily performed. The position where the identification information of the subject is attached may be the lower front part of the jig main body 10 and only one side of the U-shaped lip fitting groove 11 corresponding to the position may be formed wide.

Therefore, according to the dental photographing jig 10 having the above configuration, the upper and lower jaws of the jig body 10 are formed by bending both ends in the direction of the long axis X of the elliptical shape in the depth direction of the oral cavity. The jig body 10 has a U-shaped cross-sectional lip fitting groove 11 into which the lip is fitted over the entire circumference. In addition to being able to hold the exposed state of the tooth without assistance, it is disposable as a simple and inexpensive structure made of sterilized paper or plastic, so that it is possible to pull the corner of the mouth and sterilize it for each subject. This eliminates the need to perform the procedure, and reduces the cost of medical examinations for assistants and preparation.

In the above embodiment, the base of the dental photographing jig main body 10 is made of paper or plastic. However, a photo-curable resin is permeated into the paper to be cured. A jig body 10 having a shape may be formed. In addition, a plurality of types of dental photographing jig bodies 10 in the above embodiment are prepared in different sizes for adults, children and the like.

[0026]

As described above, according to the dental photographing jig according to the first aspect of the present invention, the U-shaped groove into which the upper and lower lips and the left and right mouth corners of the subject are fitted is formed into an elliptical annular shape. The jig main body is made of an inexpensive insulating material such as paper or plastic, and the jig main body has a shape along the upper and lower jaws, and both ends in the long axis direction are curved in the depth direction of the oral cavity. Therefore, the imaging jig can be disposable and used for each person, and the exposed state of the teeth can be maintained without the assistance of an assistant.

Further, according to the jig for dental photographing according to the second aspect of the present invention, the depth of the oral cavity is set at four positions sandwiching the long axis of the lip fitting grooves at both ends in the long axis direction of the annular jig body. Since a convex portion that is offset only in the direction is formed,
The lips in the upper and lower portions of the corner of the mouth are strongly pushed apart, especially inside the mouth, and both ends of the tooth are exposed to the back, and the outside of the lips in the upper and lower portions of the corner of the mouth suppresses the convex portion of the groove, and the healing is performed. The tool body can be prevented from falling off.

Therefore, according to the present invention, even when photographing a large number of people, for example, there is no need to repeatedly perform sterilization and disinfection and mouth corner operation for each person to be photographed, and the number of assistants and preparations are reduced, thereby reducing examination costs. In addition to this, anyone can easily photograph teeth.

[Brief description of the drawings]

FIG. 1 is a view showing a configuration of a dental photographing jig according to an embodiment of the present invention. FIG. 1 (A) is a front view thereof, FIG. 1 (B) is a sectional view taken along line AA of FIG. Figure (C) shows the BB
Line sectional view.

[Explanation of symbols]

Reference numeral 10: Dental photographing jig main body, 11: Lip fitting groove, 11a, 11b: U-shaped groove corresponding to the jig main body short axis direction, 11b, 11c: Groove U corresponding to the jig main body long axis direction L-shaped portions, 12a to 12d: groove projections, 13a to 13d: recesses in the side wall of the jig body, X: long axis of the jig body.

Claims (2)

(57) [Claims] 1. A dental photographing jig which is used by being fitted into an opening of a mouth formed by a lip, wherein the jig has a substantially elliptical annular shape in a front view, and a major axis of the elliptical shape is a depth of the oral cavity. A jig main body formed to be curved in the direction, and formed in a U-shaped cross section having an opening in the outer peripheral direction over the entire circumference of the annular jig main body, The upper lip and the lower lip are fitted in the letter-shaped portion, and the U-shaped portion in the long axis direction is provided with a lip fitting groove into which the left and right corners are fitted. The lip is fitted in the lip fitting groove of the annular jig body. A dental photographing jig, wherein a tooth is exposed in a state where an upper corner and a lower jaw are engaged with each other by inserting a corner of the mouth. 2. The lip-fitting groove is characterized in that it has convex portions that are offset only in the depth direction of the oral cavity at four positions sandwiching the long axis at both ends in the long axis direction of the annular jig main body. The dental photographing jig according to claim 1.