We further refine the melamine foam to improve further, consult Ryukoku University 's REC about safety when swallowed. It turned out that there was no problem with regard to safety.
It was confirmed that the safety treatment of melamine foam developed independently was effective.
In addition, automation of the machining process was completed with the efforts of Mr. Goto Manufacturing Director, becoming an industrial product. October 2018
The narrow interdental space can only be cleaned with floss. Winding threads on both fingers and inserting them between the teeth. At that time you need to put one finger in your mouth. There is no custom of putting your fingers in your mouth in Japan, so do not spread it. But it is necessary. I thought at least that one could be fixed in the case of the floss. It is to alleviate even a little trouble. Originally floss was used as wrapping around both fingers, so this idea is a Japanese idea unfamiliar to floss. I filed a patent application for this floss holder. It is a wish to have it used easily even a little even widely. It is a new product for years. Scheduled to be released in March 2019.
