Abstract: A toothbrush for simultaneously brushing the top and side faces of the user's teeth, comprising: first and second orthogonally disposed brush heads unitarily formed with an elongated body portion at one end thereof, the brush heads each comprising a plurality of flexibly adjoined segmented portions, each having a plurality of bristles rigidly attached thereto; and an elongated body having a unitarily formed grip handle at the opposite end thereof and integral provisions for allowing longitudinal twisting and flexing thereof to adjustably conform the toothbrush to the user's bite, the handle having external dimensions and peripheral surface undulations to facilitate comfortable grasping by the user to permit a high degree of control and maneuverability during the tooth cleansing process.