JP4133492B2 - Instruments for photopolymerization composite resin operation - Google Patents

Description

[0001]
[Industrial application fields]
The present invention provides a photopolymerization composite resin in parallel with these operations when the preparation of the abutment tooth, the covering of the tooth neck and root, the filling of the cavity and the like are performed by the photopolymerization composite resin. The present invention relates to an instrument for operating a photopolymerizable composite resin.
[0002]
[Prior art]
Conventionally, for the preparation of abutment teeth, covering of the tooth neck and root, filling of the cavity, etc. with a dental composite resin, operations such as blade shape, spatula shape, needle shape or spherical shape are applied to the tip of the grasping portion. A dental instrument made of stainless steel or the like (see, for example, Patent Document 1, Patent Document 2, and Patent Document 3) that is provided with a portion and can be sterilized by autoclave has been used.
[0003]
A dental composite resin that uses such dental instruments to build abutment teeth, fill cavities, etc. consists mainly of a polymerizable monomer, a filler, and a polymerization initiator. In recent years, photopolymerization composite resins using a photopolymerization initiator as a polymerization initiator have been widely used. Since this photopolymerization type composite resin is generally of high viscosity, its shape hardly changes during the work of building abutment teeth or filling cavities, etc., so that the abutment can be made using dental instruments. No problems were caused by the operation of irradiating actinic rays using a dental irradiator and photopolymerizing the dental irradiator after finishing the teeth and filling the cavity and so on.
[0004]
However, in recent years, photopolymerizable composite resins have been used in cases such as when the tooth neck or root is covered with hypersensitivity or root caries, or when filling a very shallow cavity. In such a case, it is difficult to coat or fill the photopolymerizable composite resin thinly even when trying to use a conventional high viscosity photopolymerizable composite resin. Photopolymerizable composite resins have been developed. This low-viscosity photopolymerizable composite resin can be easily applied to the desired site using a small brush or sponge, as well as dental instruments, so it can cover the neck and roots and can be applied to very shallow cavities. In addition to being able to fill, it is also possible to apply and fill the tooth surface directly from a syringe.
[0005]
However, since this low-viscosity photopolymerizable composite resin has low viscosity and good fluidity, there is a problem that it flows to a site unexpected by the operator. Therefore, the surgeon holds a hand gun type dental irradiator (for example, see Patent Document 4) as an assistant, and a photopolymerizable composite resin that is thinly coated or filled in a timely manner according to the operator's signal. We addressed the problem of photopolymerization composite resin flowing to an unexpected site by photopolymerization by irradiating actinic rays, but this method requires that an assistant be resident next to the surgeon. In addition, if the site where the surgeon is treating is the back of the oral cavity, such as a molar, the assistant will irradiate the site where the surgeon is treating in a timely and accurate manner. It was difficult.
[0006]
[Patent Document 1]
Design Registration No. 746418 [Patent Document 2]
Design Registration No. 746419 [Patent Document 3]
Design Registration No. 977783 [Patent Document 4]
Japanese Patent Laid-Open No. 2002-314151
[Problems to be solved by the invention]
Therefore, the present invention provides an assistant for the preparation of abutment teeth, covering of the neck and roots, filling of the cavity, etc., using a low-viscosity photopolymerizable composite resin using a dental instrument. It is an object of the present invention to provide an instrument for photopolymerization type composite resin operation that can be easily treated and performed by an operator alone without the need for assistance.
[0008]
[Means for Solving the Problems]
As a result of diligent research to solve the above-mentioned problems, the present inventors have used a low-viscosity photopolymerization composite resin to build abutment teeth, cover the tooth neck and root, fill the cavity, etc. For irradiating an operation part made of a light-transmissive material for a photopolymerizable composite resin provided at the tip of a grip portion of an instrument for photopolymerization with an actinic ray for photopolymerizing the photopolymerizable composite resin provided a light beam irradiated portion in the grip portion, it was completed the investigation to the present invention that may be Re are opposed to the grip portion side base end of the operating unit to actinic radiation irradiation unit.
[0009]
That is, the present invention provides an activity of irradiating an active ray that photopolymerizes a photopolymerizable composite resin toward an operation unit made of a light transmissive material for the photopolymerizable composite resin provided at the tip of the gripping unit. ray irradiation unit is provided within the grip portion, to instrument for photopolymerization type composite resin operation, characterized in that the gripping portion side base end of the operating portion is opposed to the active ray irradiation unit Is.
[0010]
If activity light irradiation section element detachably attached to the grip portion, easily usable state and to Rukoto simply attaching the new active beam irradiation unit in a case where activity beam irradiation unit has failed If the light source of the actinic ray irradiation unit is a blue light emitting diode, the photopolymerization type composite resin can be effectively photopolymerized with a small amount of power. It has also been found that various operations can be performed with one grip portion and a plurality of operation portions.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the photopolymerization type composite resin operating instrument according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective explanatory view of one embodiment of a photopolymerization type composite resin operation instrument according to the present invention, and FIG. 2 is a perspective view of another embodiment of a photopolymerization type composite resin operation instrument according to the present invention. It is explanatory drawing .
[0012]
In the drawings, reference numeral 1 denotes a grip portion of the photopolymerization type composite resin operating instrument according to the present invention. As shown in FIG. 1 and FIG. 2, a dry battery (not shown) as a power source built in the instrument is shown. An actinic ray irradiating unit comprising a light source 1a for irradiating an actinic ray for photopolymerizing a photopolymerizable composite resin toward an operation unit 2 to be described later, and a switch 1b for lighting the light source 1a on the outer surface. there is a state like that is provided.
[0013]
The light source 1a in this actinic ray irradiation section is not particularly limited as long as it irradiates actinic rays that photopolymerize the photopolymerizable composite resin, but it has a wavelength that effectively photopolymerizes the photopolymerizable composite resin. It is more preferable that it is a blue light emitting diode which irradiates.
[0014]
Reference numeral 2 is provided at the tip of the gripping part 1, and is an operation part for a photopolymerizable composite resin in which an abutment tooth is built, a tooth neck part or a root part is covered, a cavity is filled with a photopolymerizable composite resin. It is. The operation unit 2, and embodiments are integrated to the grip portion 1 as shown in FIG. 1, there are freely aspect detachable in the grip portion 1 as shown in FIG. 2, also light, such as the material optical fiber It consists of a transparent material, be intensively irradiated with active rays only in the operation unit 2 so grip portion 1 side base end of the operation portion 2 is opposed to the active ray irradiation portion of the grip portion 1 can Ru.
[0015]
The shape of the operation unit 2 includes the operation unit of a conventional dental instrument according to the preparation of an abutment tooth using a photopolymerizable composite resin, the covering of a tooth neck or root, filling of a cavity, etc. Similarly, there are various shapes such as a blade shape, a spatula shape, a needle shape, and a spherical shape.
[0016]
Using such a photopolymerization type composite resin operating instrument according to the present invention to build abutment teeth, cover the tooth neck and root, fill the cavity, etc. with the photopolymerization type composite resin The gripping part 1 is gripped, and a photopolymerization type composite resin is attached to the operation part 2 and placed on the part where the abutment tooth is built up, or the tooth neck part or the root part is covered, or the cavity is filled. In this case, in the case of the photopolymerizable composite resin in which the photopolymerizable composite resin is low in viscosity by reducing the blending ratio of the filler as described above, from the portion where it is placed, covered or filled. As a phenomenon that flows out immediately occurs, if a photopolymerizable composite resin having a low viscosity is placed, coated, or filled, the actinic light irradiation part is immediately washed. Is to prevent the light cured composite resin from flowing out by causing pitch 1b and by irradiating actinic rays to the light cured composite resin to light the light source 1a is turned on photopolymerized.
[0017]
In this way, the operator who performs the operation of placing the photopolymerizable composite resin on the part where the abutment tooth is built up, covering the tooth neck part or the root part, or filling the cavity is performed. Since the actinic ray for photopolymerizing the photopolymerizable composite resin can be immediately irradiated toward the operation unit 2 of the instrument for manipulating the photopolymerizable composite resin according to the present invention, the assistance of the assistant can be obtained as in the past. In addition to being unnecessary, it is possible to accurately irradiate the site where the actinic ray for photopolymerizing the photopolymerizable composite resin is desired to be photopolymerized.
[0018]
Also, even when the viscosity of the photopolymerizable composite resin is not low, when it is preferable to photopolymerize and cure the photopolymerizable composite resin that has been placed, coated, or filled at the site, the actinic ray irradiation part is also used. The light source 1a is turned on by turning on the switch 1b, and the photopolymerizable composite resin can be irradiated with actinic rays for photopolymerization.
[0019]
【The invention's effect】
As described in detail above, the photopolymerization type composite resin operation instrument according to the present invention is an operation unit made of a light transmissive material for a photopolymerization type composite resin provided at the tip of a gripping unit. and active ray irradiation unit for irradiating active light photopolymerizing a photopolymerizable composite resin is provided in the grip portion toward the grip portion side base end of the operating portion is opposite to the active ray irradiation unit Therefore, the photopolymerization composite resin is immediately photopolymerized from the actinic ray irradiation part before flowing out from the site where it is placed, coated or filled like the photopolymerization composite resin with a low filler content and low viscosity. Photopolymerization composite resin can be prevented from flowing out by irradiating actinic light to the composite resin and photopolymerizing it. Sea urchin with assistance assistant is not required, it is of the active light photopolymerizing photopolymerizable composite resin can be irradiated to accurately the site to be photopolymerized.
[0020]
Then, if activity beam irradiation unit removably mounted on the grip portion, to a simply by usable state mounting the new active beam irradiation unit in a case where activity beam irradiation unit has failed Rukoto If the light source of the actinic ray irradiating unit is a blue light emitting diode, the photopolymerization type composite resin can be effectively photopolymerized with a small power source. Various operations can be performed with one grip portion and a plurality of operation portions, which is preferable.
[0021]
The value of contributing to the dental field of the photopolymerization type composite resin operating instrument according to the present invention having such various effects is very large.
[Brief description of the drawings]
FIG. 1 is a perspective explanatory view of one embodiment of a photopolymerization type composite resin operating instrument according to the present invention.
FIG. 2 is a perspective explanatory view of another embodiment of the photopolymerization type composite resin operating instrument according to the present invention.
[Explanation of symbols]
1 gripping part
1a Light source
1b Switch 2 Operation part

Claims (4)

Irradiate an actinic ray for photopolymerizing the photopolymerizable composite resin toward the operation unit (2) made of a light transmissive material for the photopolymerizable composite resin provided at the tip of the gripping part (1). light active light irradiation section is characterized in that provided on the grip portion (1) in the gripping portion (1) side base end of the operating unit (2) is opposed to the active ray irradiation unit Instrument for polymerized composite resin operation. The instrument for photopolymerization type composite resin operation according to claim 1, wherein the actinic ray irradiation part is detachably provided on the grip part (1). The instrument for photopolymerization type composite resin operation according to claim 1 or 2 , wherein the light source (1a) of the actinic ray irradiation part is a blue light emitting diode . The instrument for photopolymerization type composite resin operation according to any one of claims 1 to 3, wherein the operation part ( 2 ) is detachable from the grip part ( 1 ) .

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