PROBLEM TO BE SOLVED: To provide a dental oral cavity radiographic device that facilitates aligning of a light receiving unit and a tooth targeted for radiography.;SOLUTION: A dental oral cavity radiographic device comprises a light receiving unit having one of an X-ray imaging device, an imaging plate and an X-ray film. A photographing aid having a retention unit is comprised. A grip is comprised. The light receiving unit is provided on a part of the retention unit to be inserted in an oral cavity at the time of photographing using X-ray equipment including an X-ray source. The grip is attached to the light receiving unit or the retention unit, and the dental oral cavity radiographic device is held by holding the grip. A light emitting unit that emits light is provided at a part that is a back face of the light receiving unit or under surface of the retention unit and is inserted in the oral cavity at the time of radiography.;COPYRIGHT: (C)2014,JPO&INPIT
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