| 摘要 |
A teeth whitening toothbrush is provided to irradiate the blue light ray after coating the teeth with white paste of the gel form. A teeth whitening toothbrush comprises: a light source output unit in which the optical fiber brush of toothbrush is transplanted; a light source input unit which is interconnected to the toothbrush handle in screw coupling structure and in which the transparent surface with screw is formed; a toothbrush head unit(1) in which all parts are opaquely coated; a handle unit(3) which is formed of the receiving space of which the inside is penetrated; a switch(6) which selectively opens and closes interval of the light emitting diode LED and dry cell according to the external operation; and an electric circuit unit which electrically connects the light emitting diode LED, the dry cell, and the power switch.
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