PURPOSE To evaluate the cleaning efficacy of a new electric toothbrush and new brush head design, using a robot system to simulate normal clinical toothbrush use. MATERIALS AND METHODS The study compared the new oscillating/rotating/pulsating electric toothbrush (Braun Oral-B 3D Plaque Remover) comprised of the D15 handle and new EB15 brush head, with the clinically established oscillating/ro...

The presence of the oscillating motion in a mechanical system, is vital terms service life. Because machine elements are under effect fatigue due to motion. life bearings which forefront among subjected motion, can be calculated via an equation that depends on several variables, one basic dynamic load rating (C). In this context, (C) most important factors estimating life.
 One where beari...

Abstract The cardioid crank is a planetary mechanism that generates line. It with varying length and speed moves along the used to replace of rocker mechanism, its approximate uniform motion obtained. kinematic analysis method studied in this paper. calculating for limit position oscillating angle time ratio guide bar are given. Finally, conditions synthesis put forward accordance or oscillate ...

Motion can be perceived either through low-level, motion-energy detection or through tracking the change in position of features. Previously we have shown that, while luminance-based motion likely is detected with velocity-sensitive motion-energy units, patterns defined by texture or binocular disparity ('second-order' stimuli) were tracked by a position-sensitive mechanism (Seiffert & Cavanagh...