JP3283727B2 - Dental light irradiator - Google Patents

Dental light irradiator

Info

Publication number
JP3283727B2
JP3283727B2 JP16386395A JP16386395A JP3283727B2 JP 3283727 B2 JP3283727 B2 JP 3283727B2 JP 16386395 A JP16386395 A JP 16386395A JP 16386395 A JP16386395 A JP 16386395A JP 3283727 B2 JP3283727 B2 JP 3283727B2
Authority
JP
Japan
Prior art keywords
light
light guide
dental
irradiator
emitting diode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP16386395A
Other languages
Japanese (ja)
Other versions
JPH0910238A (en
Inventor
繁 後藤
俊幸 佐土原
Original Assignee
株式会社長田中央研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社長田中央研究所 filed Critical 株式会社長田中央研究所
Priority to JP16386395A priority Critical patent/JP3283727B2/en
Publication of JPH0910238A publication Critical patent/JPH0910238A/en
Application granted granted Critical
Publication of JP3283727B2 publication Critical patent/JP3283727B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00Dental auxiliary appliances
    • A61C19/003Apparatus for curing resins by radiation
    • A61C19/004Hand-held apparatus, e.g. guns
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/06Radiation therapy using light
    • A61N2005/065Light sources therefor
    • A61N2005/0651Diodes
    • A61N2005/0652Arrays of diodes

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、歯科用光照射器に関
し、より詳細には、義歯加工又は歯科治療において、例
えば、義歯形成や歯牙形成後の修復材として使用する光
重合レジンを硬化させるための歯科用光照射器に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental light irradiator, and more particularly, to curing a photopolymerized resin used as a restoration material after denture formation or tooth formation in denture processing or dental treatment. And a dental light irradiator.

【0002】[0002]

【従来の技術】光重合レジンは、歯牙の色調にマッチし
た色調が容易に得られ、充填作業が容易であることか
ら、義歯加工や歯牙形成後の修復材料として光重合レジ
ンが多く用いられる。光重合レジンを、例えば、歯牙の
修復材として使用する場合、歯牙の破損箇所へ接着した
後、光を照射して硬化させ、硬化後,切削,研磨等を行
って、元の歯牙と一体化させて破損前の歯牙を審美性を
持たせて修復する。
2. Description of the Related Art A photopolymerized resin is easily used as a restorative material after denture processing or tooth formation because a color tone matching the color tone of a tooth can be easily obtained and a filling operation is easy. When using photopolymerized resin as a restoration material for teeth, for example, after bonding to damaged parts of the teeth, it is cured by irradiating with light, and after curing, cutting, polishing, etc. are performed to integrate with the original teeth Then, the tooth before damage is restored with aesthetics.

【0003】図4は、従来の歯科用光照射器の一例を説
明するための概略構成図で、図中、21は光源、22は
楕円反射ミラー、23はフィルタ、24は導光体(光フ
ァイバ、石英、プラスチック等)、25はリード線で、
周知のように、光源21は楕円反射ミラー22の焦点位
置にあり、該光源21からの光を楕円反射ミラー22で
反射する。この反射光は、前記楕円反射ミラーの焦点と
対をなす他方の焦点位置近傍にその受光端が配設された
導光体24内に導入され、該導光体24を通して伝送さ
れて、前述のようにして光重合レジンに照射される。な
お、フィルタ23は、光源21からの光のうち、光重合
に必要な光波長成分の光のみを透過させるもので、例え
ば、478nmの波長成分の光のみを通過させる。
FIG. 4 is a schematic structural view for explaining an example of a conventional dental light irradiator. In the figure, 21 is a light source, 22 is an elliptical reflection mirror, 23 is a filter, and 24 is a light guide (light source). Fiber, quartz, plastic, etc.), 25 is a lead wire,
As is well known, the light source 21 is located at the focal position of the elliptical reflection mirror 22 and reflects the light from the light source 21 on the ellipse reflection mirror 22. This reflected light is introduced into the light guide 24 whose light receiving end is arranged near the other focal position of the elliptical reflecting mirror and is transmitted through the light guide 24, and Thus, the photopolymerized resin is irradiated. The filter 23 transmits only light having a wavelength component required for photopolymerization, out of the light from the light source 21, and allows only light having a wavelength component of, for example, 478 nm to pass therethrough.

【0004】[0004]

【発明が解決しようとする課題】光重合レジンは、光の
照射により硬化するものであり、所定波長の光照射によ
り、全体に均一な重合率をもつ重合体が得られ、所定の
硬さに硬化する。光重合レジンを所定硬度に硬化するた
めには、照射する光の照度および波長が安定しているこ
とが条件となる。また、照射光のエネルギー量は、硬化
時間と硬化の深さに影響を与えるので、歯科用の光照射
器では、照度,波長,エネルギー等が安定した光源が必
要である。
The photopolymerizable resin is cured by irradiation with light, and by irradiation with light of a predetermined wavelength, a polymer having a uniform polymerization rate can be obtained as a whole and has a predetermined hardness. To cure. In order to cure the photopolymerized resin to a predetermined hardness, it is necessary that the illuminance and wavelength of the irradiated light be stable. In addition, since the amount of energy of the irradiation light affects the curing time and the curing depth, a light source having a stable illuminance, wavelength, energy, and the like is required for a dental light irradiator.

【0005】図4に示した従来の歯科用光照射器は、光
源として、ハロゲンランプ等の白熱電球が用いられてい
るので、加熱フィラメントを有し、発光した光は、含ま
れる光波長の大きさの範囲が広いため、光重合レジンが
重合するに適した波長の光を照射するためにフィルタ2
3を必要とし、フィルタ23で遮断された光は光重合の
無効分であり、このため光効率が悪く、更に、楕円反射
ミラー22等により反射されるための光損失もあり、光
照射用の電源としては大電力となり、コードレス化する
ことが無理であり、操作上の制約を受けた。
The conventional dental light irradiator shown in FIG. 4 has a heating filament because an incandescent light bulb such as a halogen lamp is used as a light source, and the emitted light has a large light wavelength. Filter 2 to irradiate light having a wavelength suitable for the photopolymerizable resin to polymerize.
3, the light blocked by the filter 23 is an ineffective part of the photopolymerization, so that the light efficiency is low, and further, there is a light loss due to the reflection by the elliptical reflection mirror 22 and the like. The power supply was large and it was impossible to make it cordless, and operation was restricted.

【0006】本発明は、電光変換効率が優れ光重合に有
効な青色光を発光する多数の発光ダイオード光源を用い
て光損失を極小にして集光し光重合レジンの光重合に最
適な波長の光を安定して照射可能にし操作性の優れた歯
科用光照射器を提供することを目的とする。
The present invention uses a large number of light-emitting diode light sources that emit blue light that is excellent in light-to-light conversion efficiency and is effective for photopolymerization. An object of the present invention is to provide a dental light irradiator capable of stably irradiating light and having excellent operability.

【0007】[0007]

【課題を解決するための手段】本発明は、上記課題を解
決するために、(1)導光体からの照射光によって光重
合レジンを光重合する歯科用光照射器において、片側端
面が発光面となる凸状の2次曲面で他端面が導光路から
の出射面である透明な導光体と、前記2次曲面の全面に
取り付けられ、該2次曲面の直角な方向に青色光を出射
する複数の発光ダイオードとからなり、該発光ダイオー
ドから出射する青色光を前記導光体内で集光し、前記導
光路を介して前記出射面から前記光重合レジンに向け照
射すること、更には、(2)前記(1)において、前記
発光ダイオードの発光波長が480±50nmで、前記2
次曲面に取り付けられる前記発光ダイオードの数は、集
光照射する光のパワー密度が所定値以上となる数である
こと、更には、(3)前記(1)において、前記導光体
は、波長480±50nmの青色光に対して透明な材料か
らなり、該導光体の外周面形状は、前記2次曲面側が円
錐面で、前記導光路側が円筒面であり、該円錐面および
円筒面は反射膜で覆われていること、更には、(4)前
記(3)において、前記導光体の前記円筒面の外側に、
前記出射面側が透光性の円柱部材である外套管を被せ、
該外套管の消毒,滅菌を可能にしたこと、更には、
(5)前記(1)乃至(4)の何れかにおいて、前記導
光体に前記発光ダイオードを組み込み、電池を内蔵し、
前記発光ダイオードをコードレスで駆動することを特徴
とする。
According to the present invention, there is provided a dental light irradiator for photopolymerizing a photopolymerized resin by irradiation light from a light guide. A transparent light guide having a convex secondary curved surface serving as a surface, the other end surface of which is an exit surface from the light guide path, and a blue light that is attached to the entire surface of the secondary curved surface and emits blue light in a direction perpendicular to the secondary curved surface. Consisting of a plurality of light-emitting diodes that emit light, condensing blue light emitted from the light-emitting diodes in the light guide, and irradiating the light-emitting resin from the emission surface through the light guide path, (2) In the above (1), the light emitting diode has an emission wavelength of 480 ± 50 nm,
The number of the light emitting diodes attached to the next curved surface is a number such that the power density of the light to be condensed and radiated is equal to or more than a predetermined value. (3) In the above (1), the light guide has a wavelength The light guide is made of a material transparent to blue light of 480 ± 50 nm, and the outer peripheral surface of the light guide has a conical surface on the quadratic curved surface side and a cylindrical surface on the light guide path side. (4) in the above (3), outside the cylindrical surface of the light guide,
The emission surface side is covered with a mantle tube which is a translucent cylindrical member,
Disinfection and sterilization of the mantle tube, and
(5) In any one of the above items (1) to (4), the light-emitting diode is incorporated in the light guide, a battery is incorporated,
The light emitting diode is driven cordlessly.

【0008】[0008]

【作用】一方の端面が発光面となる凸状の2次曲面で、
他端面が導光路の出射面である透明な導光体の2次曲面
に、該2次曲面全面に対し、面と直角な方向に青色発光
し所定の光パワー密度が得られる数の複数の発光ダイオ
ードを取り付けて、導光体内の一点に集光し、集光した
光を導光路の出射面を介して光重合レジンに向け照射す
る。発光ダイオードを、光重合に適した480±50μ
mの青色光を発光するものとすることによりフィルタを
不要として、効率のよい歯科用光照射器とする。
[Function] A convex quadratic surface having one end surface serving as a light emitting surface,
On the secondary curved surface of the transparent light guide, the other end surface of which is the light exit surface of the light guide path, a plurality of light emitting members emitting blue light in a direction perpendicular to the surface with respect to the entire surface of the secondary curved surface to obtain a predetermined optical power density. A light-emitting diode is attached, and the light is focused on one point in the light guide, and the collected light is irradiated to the photopolymerized resin via the emission surface of the light guide path. 480 ± 50μ suitable for photopolymerization
By emitting blue light of m, a filter is not required, and an efficient dental light irradiator is provided.

【0009】[0009]

【実施例】【Example】

〔実施例1〕(請求項1,2に対応) 図1は、本発明による歯科用光照射器を説明するための
図で、図1(A)は正面図、図1(B)は図1(A)の
矢視B−B線断面図であり、図中、1は導光体、2は2
次曲面、3は円錐面、4は導光路4aの円筒面、5は出
射面、6は発光ダイオードである。なお、煩雑を避ける
ため、図2以下の図面において、図1と同様の作用をす
る部分には、図1の場合と同じ参照番号を付してある。
導光体1は、一端の側面が円錐面3で囲まれた、球,楕
円,双曲面,放物面等の2次曲面2であり、他端の側面
が前記円錐面3と連続した導光路4aの円筒面4で囲ま
れた出射面5となっており、透明なガラスまたは樹脂材
料により、一体に構成されている。
[Embodiment 1] (corresponding to claims 1 and 2) FIG. 1 is a view for explaining a dental light irradiator according to the present invention. FIG. 1 (A) is a front view, and FIG. 1A is a sectional view taken along the line BB of FIG. 1A, wherein 1 is a light guide, 2 is 2
The next curved surface, 3 is a conical surface, 4 is a cylindrical surface of the light guide path 4a, 5 is an emission surface, and 6 is a light emitting diode. In order to avoid complication, parts having the same functions as those in FIG. 1 are denoted by the same reference numerals in FIG.
The light guide 1 is a secondary curved surface 2 such as a sphere, an ellipse, a hyperboloid, or a paraboloid whose one end is surrounded by a conical surface 3, and the other end is continuous with the conical surface 3. The light exit surface 5 is surrounded by the cylindrical surface 4 of the optical path 4a, and is integrally formed of transparent glass or a resin material.

【0010】導光体1の2次曲面2には、複数の発光ダ
イオード6が面均一に全面に亘り取り付けられている。
このときの発光ダイオード6の取り付け姿勢は、発光す
る青色光6aが、2次曲面2の面に直角になるように定
められている。この結果、発光ダイオード6からの青色
光は、導光体1の中心軸O−O上のf点に集光し、導光
路4aを介して出射面5から出射され、照射光のパワー
密度が光重合に必要な、例えば、1000W/m2以上
となるように発光ダイオード6の数が定められる。発光
ダイオード6の青色光は、光重合レジンの重合に最適な
波長480±50nmの青色光を発光する青色発光ダイオ
ードが最適である。このときの導光体1は、波長480
±50μmの青色光に対し、最も透過性のよい材料が適
用される。
A plurality of light emitting diodes 6 are mounted on the secondary curved surface 2 of the light guide 1 uniformly over the entire surface.
At this time, the mounting posture of the light emitting diode 6 is determined so that the emitted blue light 6a is perpendicular to the surface of the quadric surface 2. As a result, the blue light from the light emitting diode 6 is condensed on the point f on the central axis OO of the light guide 1 and is emitted from the emission surface 5 via the light guide path 4a. The number of light emitting diodes 6 is determined so as to be, for example, 1000 W / m 2 or more necessary for photopolymerization. As the blue light of the light emitting diode 6, a blue light emitting diode that emits blue light having a wavelength of 480 ± 50 nm, which is optimal for polymerization of a photopolymerized resin, is optimal. The light guide 1 at this time has a wavelength of 480.
For blue light of ± 50 μm, a material having the highest transparency is applied.

【0011】上述の図1に示した歯科用光照射器による
と、光電変換効率の優れた発光ダイオード6は、導光体
1の2次曲面2に取り付けられ、導光体1内のf点に集
光して導光路4aを介して光重合レジンに向け照射され
るので、効率がよく、小電源駆動が可能となり、更に、
青色光の波長が480±50nmの発光ダイオードとす
ることにより、特別なフィルタなしに最も効率よく安定
した光重合が可能となる。
According to the dental light irradiator shown in FIG. 1 described above, the light emitting diode 6 having excellent photoelectric conversion efficiency is attached to the secondary curved surface 2 of the light guide 1, and the point f in the light guide 1 And is irradiated toward the photopolymerized resin via the light guide path 4a, so that it is possible to efficiently drive a small power supply.
By using a light-emitting diode having a wavelength of blue light of 480 ± 50 nm, the most efficient and stable photopolymerization becomes possible without a special filter.

【0012】〔実施例2〕(請求項3に対応) 図2は、図1に示した導光体の他の実施例を説明するた
めの外観図であり、図中、7は反射膜である。図2に示
す導光体1には、円錐面3と円筒面4の部分に、Al
(アルミニウム),Ag(銀),Au(金)等の金属ま
たは誘電体からなる反射膜7を施して、発光ダイオード
6で発光した青色光が導光体1から円錐面3,円筒面4
を通って外部に出光するのを防ぎ、青色光の集光効率を
高めている。
[Embodiment 2] (corresponding to claim 3) FIG. 2 is an external view for explaining another embodiment of the light guide shown in FIG. 1, in which 7 is a reflection film. is there. In the light guide 1 shown in FIG. 2, the conical surface 3 and the cylindrical surface 4 have Al
A reflective film 7 made of a metal or a dielectric such as (aluminum), Ag (silver), or Au (gold) is applied, and blue light emitted from the light emitting diode 6 is emitted from the light guide 1 through the conical surface 3 and the cylindrical surface 4.
The light is prevented from passing through to the outside, and the light collection efficiency of blue light is increased.

【0013】〔実施例3〕(請求項4,5に対応) 図3は、本発明による歯科用光照射器の、更に、他の実
施例であり、図中、10は筐体、11は外套管、12は
円柱部材、13は電池、14はスイッチである。図3に
示した歯科用光照射器は、図2に示した反射膜7を施し
た導光体1の2次曲面2に、青色発光の発光ダイオード
6を取り付けた歯科用光照射器を、1次または2次電池
等の電池13とともに外筐10内に組み込んで、持ち運
び自由にしたもので、外筐10は、導光体1を収納する
照射器収納部10aと、電池13を組み込み、把持でき
る形状の把持部10bとからなっており、把持部10b
には、スイッチ14が設けられ、電池13と発光ダイオ
ード6との間を把持しながら開閉できるようになって、
コードレスの歯科用光照射器を構成している。なお、照
射器収納部10aに組み込まれる光導体1は、図1に示
すように反射膜7が施されていない場合でも、照射器収
納部10aの内面に反射膜7に相当するメッキ膜等が施
されていると反射膜7が施されたと同様の効果が得られ
る。
[Embodiment 3] (corresponding to claims 4 and 5) FIG. 3 shows still another embodiment of a dental light irradiator according to the present invention, in which 10 is a housing, and 11 is a housing. An outer tube, 12 is a cylindrical member, 13 is a battery, and 14 is a switch. The dental light irradiator shown in FIG. 3 is a dental light irradiator in which a blue light emitting diode 6 is attached to the secondary curved surface 2 of the light guide 1 provided with the reflective film 7 shown in FIG. It is incorporated in an outer casing 10 together with a battery 13 such as a primary or secondary battery to make it freely portable. The outer casing 10 incorporates an irradiator accommodating section 10a for accommodating the light guide 1 and a battery 13. And a grip 10b having a shape that can be gripped.
Is provided with a switch 14, which can be opened and closed while grasping between the battery 13 and the light emitting diode 6,
It constitutes a cordless dental light irradiator. The light guide 1 incorporated in the irradiator housing 10a has a plating film or the like corresponding to the reflection film 7 on the inner surface of the irradiator housing 10a even when the reflection film 7 is not provided as shown in FIG. When it is applied, the same effect as when the reflection film 7 is applied can be obtained.

【0014】導光体1の出射面5は、外気と接し、空中
に浮遊する微粒子が付着し易すく、微粒子が付着すると
光効率が低下するので、これを保護する必要がある。こ
のため、導光体1の出射面5は、照射器収納部10aか
ら突出しており、突出した円筒面4の外側には、外套管
11が被せてある。外套管11の出射面5側の端面に
は、透光性のある円柱部材12が設けてあり、着脱可能
となっており、外套管11の消毒,滅菌(高温蒸気滅
菌)等を可能にして汚染を防いでいる。
The light exit surface 5 of the light guide 1 is in contact with the outside air, so that fine particles floating in the air tend to adhere thereto, and if the fine particles adhere, the light efficiency is reduced. For this reason, the emission surface 5 of the light guide 1 protrudes from the irradiator accommodating portion 10a, and the outer tube 11 is covered on the outside of the protruding cylindrical surface 4. A light-transmissive cylindrical member 12 is provided on the end surface of the outer tube 11 on the emission surface 5 side, and is detachable. Preventing pollution.

【0015】[0015]

【発明の効果】以上の説明から明らかなように、本発明
によれば、以下に示す効果がある。 請求項1に対応する効果:一端側が凸状の2次曲面であ
る透明な導光体に、2次曲面に直角な青色光を発光する
電光変換効率のよい発光ダイオードを取り付け、導光体
内の一点に集光して他端側から光重合レジンに向け照射
するようにしたので、効率よく光重合が可能となる。 請求項2に対応する効果:請求項1の効果に加えて、照
射光は、光重合レジンの重合に最適な光波長(480±
50μm)で所定のパワー密度(例えば、1000W/
2以上)であるから、特別のフィルタなしに、更に効
率よく光利用ができる。 請求項3に対応する効果:導光体の材料が波長480±
50nmの青色光に対して、透明な材料で一端の2次曲面
側と他端の出射面の外形は、連続した円錐面と円筒面と
して反射膜を形成したので、複数の発光ダイオードを集
光する最小形状の導光路で、光損失が最小で最も効率よ
く光利用ができる。 請求項4に対応する効果:集光した青色光の導光路とな
る導光体の円筒面の外側に、出射面側が透明な円柱部材
を設けた外套管を着脱可能に被せたので、汚れ易い出射
面側は、常に清浄,清潔に保たれ、長期安定して使用す
ることができる。 請求項5に対応する効果:青色発光ダイオードを取り付
けた導光体と電池とを一つの筐体内に組み込み、コード
レスとしたので、作業効果が向上する。
As is apparent from the above description, the present invention has the following effects. According to the first aspect of the present invention, a light-emitting diode with high light-to-light conversion efficiency that emits blue light perpendicular to the secondary curved surface is attached to a transparent light-guiding member having a convex curved secondary surface at one end. Since light is condensed at one point and irradiated from the other end toward the photopolymerization resin, photopolymerization can be performed efficiently. Advantageous Effect Corresponding to Claim 2: In addition to the effect of Claim 1, the irradiation light has an optimal light wavelength (480 ±
At a predetermined power density (for example, 1000 W /
Since a m 2 or more), without special filters can more efficiently light utilization. Advantageous Effect Corresponding to Claim 3: The material of the light guide has a wavelength of 480 ±.
For 50nm blue light, the outer surface of the secondary curved surface at one end and the exit surface at the other end are made of a transparent material and the reflection film is formed as a continuous conical surface and cylindrical surface. With the light guide path having the smallest shape, the light can be used most efficiently with minimum light loss. According to the fourth aspect of the present invention, an outer tube provided with a transparent cylindrical member on the emission surface side is detachably attached to the outside of the cylindrical surface of the light guide serving as a light guide path of the condensed blue light. The emission surface side is always kept clean and clean and can be used stably for a long time. Advantageous Effect According to Claim 5: The light guide with the blue light-emitting diode attached thereto and the battery are incorporated in one housing to be cordless, so that the working effect is improved.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明による歯科用光照射器を説明するため
の図である。
FIG. 1 is a view for explaining a dental light irradiator according to the present invention.

【図2】 図1に示した導光体の他の実施例を説明する
ための外観図である。
FIG. 2 is an external view for explaining another embodiment of the light guide shown in FIG.

【図3】 本発明による歯科用光照射器の更に他の実施
例である。
FIG. 3 is still another embodiment of a dental light irradiator according to the present invention.

【図4】 従来の歯科用光照射器の一例を説明するため
の概略構成図である。
FIG. 4 is a schematic configuration diagram for explaining an example of a conventional dental light irradiator.

【符号の説明】 1…導光体、2…2次曲面、3…円錐面、4…円筒面、
5…出射面、6…発光ダイオード、7…反射膜、10…
筐体、11…外套管、12…円柱部材、13…電池、1
4…スイッチ、21…光源、22…楕円反射ミラー、2
3…フィルタ、24…導光体(光ファイバ,石英,プラ
スチック等)、25…リード線。
[Description of Signs] 1 ... Light guide, 2 ... Secondary curved surface, 3 ... Conical surface, 4 ... Cylinder surface,
5 outgoing surface, 6 light emitting diode, 7 reflective film, 10
Housing, 11: mantle tube, 12: cylindrical member, 13: battery, 1
4 switch, 21 light source, 22 elliptical reflection mirror, 2
3 ... Filter, 24 ... Light guide (optical fiber, quartz, plastic, etc.), 25 ... Lead wire.

Claims (5)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 導光体からの照射光によって光重合レジ
ンを光重合する歯科用光照射器において、片側端面が発
光面となる凸状の2次曲面で他端面が導光路からの出射
面である透明な導光体と、前記2次曲面の全面に取り付
けられ、該2次曲面の直角な方向に青色光を出射する複
数の発光ダイオードとからなり、該発光ダイオードから
出射する青色光を前記導光体内で集光し、前記導光路を
介して前記出射面から前記光重合レジンに向け照射する
ことを特徴とする歯科用光照射器。
1. A dental light irradiator for photopolymerizing a photopolymerized resin by irradiation light from a light guide, wherein one end surface is a convex secondary curved surface having a light emitting surface, and the other end surface is an emission surface from a light guide path. And a plurality of light emitting diodes attached to the entire surface of the secondary curved surface and emitting blue light in a direction perpendicular to the secondary curved surface. The blue light emitted from the light emitting diode is A light irradiator for dental use, wherein the light is condensed in the light guide, and the light is irradiated from the exit surface toward the photopolymerized resin through the light guide path.
【請求項2】 前記発光ダイオードの発光波長が480
±50nmで、前記2次曲面に取り付けられる前記発光ダ
イオードの数は、集光照射する光のパワー密度が所定値
以上となる数であることを特徴とする請求項1に記載の
歯科用光照射器。
2. An emission wavelength of the light emitting diode is 480.
2. The dental light irradiation device according to claim 1, wherein the number of the light emitting diodes attached to the quadric surface at ± 50 nm is such that the power density of the light to be condensed and irradiated becomes a predetermined value or more. vessel.
【請求項3】 前記導光体は、波長480±50nmの青
色光に対して透明な材料からなり、該導光体の外周面形
状は、前記2次曲面側が円錐面で、前記導光路側が円筒
面であり、該円錐面および円筒面は反射膜で覆われてい
ることを特徴とする請求項1又は2に記載の歯科用光照
射器。
3. The light guide is made of a material transparent to blue light having a wavelength of 480 ± 50 nm, and the outer peripheral surface of the light guide has a conical surface on the secondary curved surface side and a light guide path on the light guide path side. The dental light irradiator according to claim 1, wherein the illuminator is a cylindrical surface, and the conical surface and the cylindrical surface are covered with a reflective film.
【請求項4】 前記導光体の前記円筒面の外側に、前記
出射面側が透光性の円柱部材である外套管を被せ、該外
套管の消毒,滅菌を可能にしたことを特徴とする請求項
3に記載の歯科用光照射器。
4. An outer tube having a light-transmitting cylindrical member on the emission surface side is placed on the outer side of the cylindrical surface of the light guide, so that the outer tube can be disinfected and sterilized. The dental light irradiator according to claim 3.
【請求項5】 前記導光体に前記発光ダイオードを組み
込み、電池を内蔵し、前記発光ダイオードをコードレス
で駆動することを特徴とする請求項1乃至4項何れかに
記載の歯科用光照射器。
5. A dental light irradiator according to claim 1, wherein the light emitting diode is incorporated in the light guide, a battery is built in, and the light emitting diode is driven cordlessly. .
JP16386395A 1995-06-29 1995-06-29 Dental light irradiator Expired - Fee Related JP3283727B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16386395A JP3283727B2 (en) 1995-06-29 1995-06-29 Dental light irradiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16386395A JP3283727B2 (en) 1995-06-29 1995-06-29 Dental light irradiator

Publications (2)

Publication Number Publication Date
JPH0910238A JPH0910238A (en) 1997-01-14
JP3283727B2 true JP3283727B2 (en) 2002-05-20

Family

ID=15782204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16386395A Expired - Fee Related JP3283727B2 (en) 1995-06-29 1995-06-29 Dental light irradiator

Country Status (1)

Country Link
JP (1) JP3283727B2 (en)

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BR9813223A (en) * 1997-09-25 2000-08-29 Univ Bristol Optical radiation device
US6200134B1 (en) 1998-01-20 2001-03-13 Kerr Corporation Apparatus and method for curing materials with radiation
DE19943393C1 (en) * 1999-09-10 2001-01-25 Espe Dental Ag Dental material radiation device e.g. for hardening dental filling, has light beams from light-emitting diodes directed onto focus region at input end of light conductor
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US6419483B1 (en) 2000-03-01 2002-07-16 3M Innovative Properties Company Method and apparatus for curling light-curable dental materials
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