| 摘要 |
PROBLEM TO BE SOLVED: To provide a dental sac caries risk evaluating device for simply and accurately evaluating dental sac caries risk capable of determining saliva and automatically filling a constant amount of acid. SOLUTION: The dental sac caries risk evaluating device comprises a saliva quantitative collection means for collecting a quantitative amount of saliva, a saliva storage part for storing the collected saliva, an acid storage part for storing a predetermined concentration of acid, an acid filling means for filling the constant amount of acid stored in the acid storage part into the saliva in the saliva storage part, a sensor for measuring pH of the saliva mixed with the constant amount of acid, and a processing part for evaluating the dental sac caries risk in accordance with a measurement result of the sensor. COPYRIGHT: (C)2004,JPO
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