A system for visual tooth cleaning, grinding and polishing, the system comprising: an instrument comprising: a host comprising a power system, a circuit system, a control system, a vibration system capable of generating vibration, and a housing, wherein the power system, the control system and the vibration system are operably connected together through the circuit system; an oral observation instrument comprising a housing, an illuminating system, an observation system and a switch, wherein the illuminating system, the observation system, the power system and the switch are operably connected together through the circuit system and the control system, and wherein the oral observation instrument is connected to the host; a cleaning and polishing tool (400, 406) adapted to detachably mount on the instrument via the vibration system, wherein while mounted to the instrument, the cleaning and polishing tool (400, 406) is drivable by the vibration system in accordance with the control system, and wherein a work part of the cleaning and polishing tool (400, 406) is within the field of view of the observation system while mounted on the instrument; and an interdental cleaning tool adapted to detachably mount on the instrument via the oral observation instrument, wherein the interdental cleaning tool is mountable in place of the cleaning and polishing tool (400, 406), and wherein a work part of the interdental tool is within the field of view of the observation system while mounted on the instrument; wherein the interdental cleaning tool is detachably mounted on the oral observation instrument through a connecting mechanism; wherein the vibration system comprises: a vibration generation device; and a vibration transmission device capable of transmitting the vibration generated by the vibration generation device, wherein one end of the vibration transmission device is connected to the vibration generation device, and wherein the other end of the vibration transmission device is connected to the cleaning and polishing tool (400, 406) while the cleaning and polishing tool (400, 406) is mounted on the instrument wherein the observation system is a camera system, the camera system includes a camera, a data processing and output system, and a display. a host comprising a power system, a circuit system, a control system, a vibration system capable of generating vibration, and a housing, wherein the power system, the control system and the vibration system are operably connected together through the circuit system; an oral observation instrument comprising a housing, an illuminating system, an observation system and a switch, wherein the illuminating system, the observation system, the power system and the switch are operably connected together through the circuit system and the control system, and wherein the oral observation instrument is connected to the host; a cleaning and polishing tool (400, 406) adapted to detachably mount on the instrument via the vibration system, wherein while mounted to the instrument, the cleaning and polishing tool (400, 406) is drivable by the vibration system in accordance with the control system, and wherein a work part of the cleaning and polishing tool (400, 406) is within the field of view of the observation system while mounted on the instrument; and an interdental cleaning tool adapted to detachably mount on the instrument via the oral observation instrument, wherein the interdental cleaning tool is mountable in place of the cleaning and polishing tool (400, 406), and wherein a work part of the interdental tool is within the field of view of the observation system while mounted on the instrument; wherein the interdental cleaning tool is detachably mounted on the oral observation instrument through a connecting mechanism; wherein the vibration system comprises: a vibration generation device; and a vibration transmission device capable of transmitting the vibration generated by the vibration generation device, wherein one end of the vibration transmission device is connected to the vibration generation device, and wherein the other end of the vibration transmission device is connected to the cleaning and polishing tool (400, 406) while the cleaning and polishing tool (400, 406) is mounted on the instrument a vibration generation device; and a vibration transmission device capable of transmitting the vibration generated by the vibration generation device, wherein one end of the vibration transmission device is connected to the vibration generation device, and wherein the other end of the vibration transmission device is connected to the cleaning and polishing tool (400, 406) while the cleaning and polishing tool (400, 406) is mounted on the instrument wherein the observation system is a camera system, the camera system includes a camera, a data processing and output system, and a display.