Many changes to the way we treat teeth and maintain them due to more information that has now been available due to tireless research and development. The humble toothbrush has gone a long way from the twigs and small brush that used to be the only way to clean teeth. Now we have pressure sensitive toothbrushes that have bristles impregnated by a dye that bleeds as you use it. As the blue color on the bristles disappear, the time to change the said cleaning tool along comes electric and battery powered toothbrushes have also made a comeback due to dropping prices of such products as the demand for them increases. Researchers still toil day and night to find the best products to common teeth problems for the dental care products of tomorrow.