Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
It is not easy to make a tooth brush dry after using. You have to lay it at specific angle to prevent bacteria. We add elasticity metal sheet on the neck of tooth brush, so that the tooth brush will bend down after using, and the water will flow out of the brush. Reaction force make the brush not going to bend. Now people do not have to do excess things to make your tooth brush clean.
LIN,LIANG-JUN CHANG,JIA-YU ZHAN,ZI-LIN HUANG,CHANG-RUEI