unique dental care devices , systems and methods for cleaning teeth and oral tissue comprises an oscillating tooth brush with dual opposing brush heads , adapted to clean teeth and sulcus area . the devices are capable of brushing a set of opposing upper and lower teeth of the mouth simultaneously . the devices , once inserted and positioned into the mouth to clean a pair or a set of opposing upper and lower teeth , can be maneuvered inside the mouth cavity from one side of the mouth to the other to clean all the teeth without requiring removal from the mouth and repositioning .