< Topic > The photographing system inside the buccal cavity for dentistry which includes the installation and removal possible feature of the light sensing portion and the photographing auxiliary tool which include the x-ray image pickup component is offered.Solutions The photographing system inside the buccal cavity for dentistry has the photographing section 10 which possesses the light sensing portion 11 which possesses the x-ray image pickup component. Retention substrate when photographing which used 55 and the x-ray device, is interposed into the buccal cavity of retention substrate 55 in the destal of the part which the photographing auxiliary tool 50 which possesses with the attaching part 51 containment light sensing portion 11 it is provided it has. Attaching part 51 inserting the part which is extended to the rear direction of light sensing portion 11 containment light sensing portion 11.< Choice figure >Drawing 8【課題】 X線撮像素子を含む受光部と、撮影補助具との着脱可能機構を含む歯科用口腔内撮影システムを提供する。【解決手段】 歯科用口腔内撮影システムは、X線撮像素子を有する受光部11を有する撮影部10を備える。保定基板55と、X線装置を使った撮影時に、保定基板55の口腔内に挿入される部分の端部に設けられ、受光部11を保持する保持部51とを有する撮影補助具50を備える。保持部51は、受光部11の背面方向に突出した部分を挟み込んで受光部11を保持する。【選択図】図8
