the current invention relates to a flexible toothbrush with a rigid handle support that is also compact in size and shape and can be safely used by prison inmates . in order to allow for adequate handle length and still allow for the required radial , axial , and rotational direction flexibility , there needs to be in place on or more structural units within the elongated body and handle portions of the toothbrush that also provide enough support and rigidity in the longitudinal direction so that the user can accomplish the task with the same feel and ability accomplished with conventional toothbrushes that possess rigid thermoplastic or thermoset handles . for the purposes of the present application , a truss is a structure comprising one or more triangular sections provides the necessary support along the longitudinal length of the handle while still allowing enough flexibility that the toothbrush cannot be used as a weapon .