PROBLEM TO BE SOLVED: To provide a safe and comfortable whitening device which suppresses heat generation in teeth and gum and improves whitening light enhancement.SOLUTION: A mouthpiece-shaped LED irradiation device for whitening comprises: a mouthpiece-shaped irradiator that includes a metal cavity 3 which can be filled with an aqueous soft gel transmitting light and heat and can reflect light inside, and has high heat conductivity, and that irradiates a tooth surface with an LED in the cavity a cooling mechanism 7 that is in contact with the mouthpiece-shaped irradiator with high heat conductivity, and that cools teeth, gum, the aqueous gel, and LED elements 1 located in the cavity a control system for controlling the LEDs so that they are not illuminated when a detected temperature of the mouthpiece-shaped irradiator exceeds a preset temperature, and stopping cooling or outputting a warning when the detected temperature is outside a preset upper/lower limit temperature a cavity cover including an opening covering the metal cavity, having non-heat conductivity, high cushioning property, and not transmitting or absorbing light, and capable of restricting light irradiation in the opening area and a mouthpiece cover covering the whole mouthpiece, and made of a stretch film having light transparency.COPYRIGHT: (C)2016,JPO&INPIT【課題】歯および歯肉の発熱を抑えホワイトニングの光促進を向上する安全で快適なホワイトニング装置を提供する。【解決手段】光と熱を伝える水性の柔軟なゲルを充填でき、光を内部で反射できる熱伝導性の高い金属キャビティー3を有し、キャビティー内で歯面にLED照射ができるマウスピース型の照射器、マウスピース型照射器に高熱伝導で接触し、キャビティー内に位置する歯、歯茎、水性ゲル、LED素子1を冷却する冷却機構7、マウスピース型の照射器の温度検出が設定した温度を超えた場合にはLEDが点灯しない、設定した上下限温度を超えた場合には冷却を停止あるいは警報を発する制御システム、金属性のキャビティーを覆う非熱伝導性でクッション性の高い、光を透過、吸収しない開口部を有し、開口部域で光照射を制限することができるキャビティーカバー、マウスピース全体を覆う光透過性のストレッチフィルム製のマウスピースカバーから構成される。【選択図】図1
