To provide a digital camera for imaging the oral cavity having no hygienic problem, allowing a dentist to easily monitor an object in the oral cavity of a subject on a screen when using a camera and easily allowing a patient to see it on the screen.

This digital camera is provided with a camera body 2 comprising a body tube portion 2a to be inserted into the oral cavity, an intermediate portion formed continuously to the body tube portion 2a, and a grip portion 2b formed continuously to the intermediate portion, and a dental appliance 3 detachably fitted to the body tube portion 2a; and a liquid crystal display device 2c is mounted on the intermediate portion of the camera body 2.