| 摘要 |
PROBLEM TO BE SOLVED: To provide a dental diagnostic apparatus that performs a component analysis of a tooth by a laser-induced breakdown spectroscopy, and based on the result, diagnoses "dental caries."SOLUTION: An optical pulse generated from a laser light source 1 is transmitted by a light irradiation fiber 2 and irradiated to a tooth. Plasma light generated then is detected by a light detection fiber 3, and transmitted to a spectroscope 4. A spectroscopic spectrum of the plasma light is measured by the spectroscope 4, the result is analyzed by an analysis/control device 5, an element concentration is calculated, and the result of dental caries diagnosis is displayed.SELECTED DRAWING: Figure 1 |
