sick with the flu, a cold, or a mouth infection, say goodbye to your toothbrush and move on to a new, germ-free one immediately. By keep our toothbrush cleaning,Doctors suggest that to keep the toothbrush up, and change the toothbrush every three month.and cleaning the toothbrush, how to cleaning? I will introduce you some tips to do the cleaning. dental air compressor First,You will need three things 3% hydrogen peroxide Cup Toothbrush Second:A New Solution Fill the bottom of a cup with some hydrogen peroxide and some water. Put your bristles into the solution and shake it around. The hydrogen solution is a natural disinfectant and will kill bacteria on your bristles.