| 摘要 |
PURPOSE: A supply device of teeth washing water including fluorine. Generally, teeth protection component will not remain and wiped out because of washing mouth. CONSTITUTION: Fluorine can make enamel layer on teeth but is wiped out simply. The device makes easy to mix fluorine which is useful for teeth protection with washing water. The device can be extended to valves(4) of wash hand stand(3) or installed by fluorine spray tube. So, a user will mix fluorine with water by simple operation while teeth brushing. In normal times, the benefit of fluorine can be useful for teeth protection and fluorine will remain all the corners of mouth even after teeth brushing.
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