PROBLEM TO BE SOLVED: To perform display of an image captured by using a specific wavelength such as an X-ray image obtained by imaging a teeth and jaw part so as to be easily understood for explanation, training education and recording.SOLUTION: An intraoral display system includes: display means which displays image data obtained by imaging a teeth and jaw area with a specific wavelength and adjustment and addition means which adjusts and adds instruction information instructed with handwriting input on the display means, and can perform display of a panoramic X-ray image and actual image which is easy to handle for explainers who use a tablet PC, a smartphone, and other terminals such as a computer apparatus, and is easy to understand for viewers.COPYRIGHT: (C)2015,JPO&INPIT【課題】歯顎を撮影したX線画像のような特定の波長を用いて撮影した画像を説明用、練習教育用、記録用としてわかりやすい表示を行う。【解決手段】歯顎領域を特定の波長で撮影した画像データを表示する表示手段、前記表示手段上に、手書き入力で指示する指示情報を調整付加する調整付加手段を備えることでタブレットPC、スマートフォン、その他のコンピュータ機器等の端末を用いた説明者にとって、取り扱いがしやすく見る側にとってわかりやすいパノラマ状のX線画像、及び実画像表示を可能とする。【選択図】図1