PROBLEM TO BE SOLVED: To provide a lighting apparatus capable of lighting a wide area of the inside of an oral cavity all together.SOLUTION: The lighting apparatus for lighting the inside of an oral cavity comprises a mask-like member held so as to cover a predetermined portion of a face surface and a group of light sources arranged on the face surface side of the mask-like member. Out of light outgoing from the group of the light sources, the inside of the oral cavity is lighted with transmitted light having passed through a living body and having reached the inside of the oral cavity.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】口腔内の広範囲を一括して照明するこが可能な照明装置を提供すること。【解決手段】本照明装置は、口腔内を照明する照明装置であって、顔面の所定部を覆うように保持されるマスク状部材と、前記マスク状部材の顔面側に配置された光源群と、を有し、前記光源群からの出射光のうち、生体を透過して前記口腔内に達した透過光により前記口腔内を照明する。【選択図】図1
