Dual power of semiconductor (titanium dioxide) and solar technology cuts away plaque. Soladey-3 ionic toothbrush effectively removes plaque by emitting of electrons. Soladey-3 ionic toothbrush has a lot of clinical data that shows it removes plaque much better than regular toothbrushes. Soladey ionic toothbrushes have proven to be effective even without toothpaste. The electrons coat the teeth entirely, ensuring they remain sparkly clean even 12 hours after brushing. Soladey-3 cleans and removes dirt without the use of toothpaste. The holder part of Soladey-3 can be used semi-permanently. When the brush spreads, replace only the brush part. Soladey ionic toothbrush is an eco-friendly toothbrush. Patented in 12 countries (U.S.A., Canada, Japan, U.K., Germany, France, Netherlands, Sweden, Switzerland, China, Korea, Taiwan), SOLADEY is a Japanese Toothbrush brand with 40 years of history and has published 80 dental conferences and papers. Dual power of semiconductor(titanium dioxide)and solar technology cuts away plaque. Soladey-3 effectively removes plaque by emitting of electrons. The electrons coat the teeth entirely, ensuring they remain sparkly clean even 12 hours after brushing. Soladey-3 cleans and removes dirt without the use of toothpaste. The holder part of Soladey-3 can be used semi-permanently. When the brush spreads, replace only the brush part.