The device for viewable teeth-cleaning and polishing of the present invention comprises a main motor, an oral cavity viewing instrument, and a cleaning and polishing tool. The main motor drives the cleaning and polishing tool and also provides a power supply and a control system to an illumination system and to the oral cavity viewing system. The view filmed by the camera of the oral cavity viewing system is transmitted immediately to a display of same, thus allowing for simultaneous viewing on a mobile phone of the cleaning process conducted by the cleaning and polishing tool as it cleans from dental surfaces accumulated tartar, plaque, and colouring agent stains, and of the cleaning effects, thus achieving the object of effective cleaning and polishing of the teeth. A rinsing device, an electric toothbrush, or other interdental cleaning instruments may also be installed upon the main motor or on the oral cavity viewing instrument of the present device for viewable teeth-cleaning and polishing, thus providing said device with a plurality of oral cleaning functions and comprehensively resolving a variety of oral hygiene problems.
