Abstract: A tooth brushing device with a video scope including a video scope having a prism mirror 10 and an objective lens 9 that form light from an object into an image, a CCD unit 8 that converts the light formed into the image, into an electric signal, and a handle section 7 held by an operator, a tooth brush having a brush section having a cavity portion 4 formed therein and a handle section held by the operator, and a display section for displaying an image picked up by the video scope, in which the handle section of the toothbrush is integrated with the handle section 7 and the prism mirror 10 is arranged where a clear image of a tooth to be brushed by the operator is picked up by the video scope. When images are picked up through the cavity portion 4 formed in the brush section and a toothbrush section and an image pickup section are independently installed in the handle section 7, images can be picked up even during a tooth brushing operation.

Abstract: An oral cavity washer with a video scope, has a video scope having image-forming means of forming an image from light from an object, an image pick-up device for converting the light from which the image is formed by the image-forming means into an electric signal, and a first grip portion for being held by an operator; a display for displaying an image picked up by the video scope; and an oral cavity washer having a nozzle for jetting a fluid and a second grip portion for being held by the operator, for washing an oral cavity by jetting the fluid to teeth or gums, wherein the first grip portion and the second grip portion are capable of being made integral with each other.

Abstract: An oral cavity washer with a video scope, has