ORAL CAVITY INTERNAL OBSERVATION DEVICE
PROBLEM TO BE SOLVED: To provide an oral cavity internal observation device in a simple structure allowing a user to more clearly observe a patient's tooth surface. SOLUTION: The oral cavity internal observation device comprises two kinds of light sources 23, 24 different in wavelength to illum...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an oral cavity internal observation device in a simple structure allowing a user to more clearly observe a patient's tooth surface. SOLUTION: The oral cavity internal observation device comprises two kinds of light sources 23, 24 different in wavelength to illuminate the inside of the oral cavity that are switchably mounted so that just either of them could be lighted, and a light receiving part 25 to receive reflected light from the inside of the oral cavity illuminated by the two kinds of light sources 23, 24, and that energy to be charged to light one light source 23 of the two kinds of light sources is not less than twice as large as the energy to be charged to light the other light source 24. COPYRIGHT: (C)2008,JPO&INPIT |
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