Abstract: An electric toothbrush comprises a brush head, a motor for providing oscillating rotation, and a multi-directional movement mechanism connected to the brush head to offer a plurality of movements. The movement mechanism includes a first mechanism for converting the motor's rotation into an oscillating rotation, a second mechanism for an oscillating side-to-side movement, and a third mechanism for an oscillating back-and-forth movement. Additionally, a gear system is employed, featuring a main gear with arc teeth on its outer perimeter and a set of equally spaced driven gears. The main gear engages with the driven gears individually, each configured to provide one of the plurality of movements. A control system facilitates the selection of movements and on/off functionality, while a power system supplies necessary power. Encased within an ergonomic waterproof shell, the electric toothbrush ensures protection and comfortable handling.

Abstract: An oral camera that can view a panoramic view of all teeth in a jaw, including the front and back surfaces of teeth, as well as their top surfaces. The oral camera comprises a mouthpiece that is placed in the mouth. The mouthpiece has an inner and outer part that have mirrored surfaces. The inner and outer parts are tilted to reflect the images of the inner and outer surfaces of teeth toward an outside viewer or a camera. Thereby, a camera image comprises of images of the inner and outer surfaces of teeth as well as their top surface. Thereby allowing for inspection of all teeth for any decay or cavity.