The purpose of this study is to provide a three-dimensional measuring apparatus for three dimensions, a three-dimensional measurement method of the oral cavity, and a method of displaying three-dimensional three-dimensional measurement results.A wide range three-dimensional measurement information acquisition process (step S1) for obtaining a wide range of three-dimensional measurement information measuring a wide range of shapes in a desired measurement range in an oral cavity (step S1) and a plurality of narrow range three-dimensional measurement information measuring a three-dimensional shape in a narrow range narrowed in a measurement range A wide range three-dimensional measurement of the range of measurement information in a wide range of measurement ranges in a wide range of three-dimensional measurement information and narrow range three-dimensional measurement informationBased on the information, the narrow range three-dimensional measurement information was arranged, and the synthetic three-dimensional information preparation process (step S3) was prepared for preparing synthetic three-dimensional information of the measurement range.Diagram【課題】狭隘な空間である口腔内における広範囲な計測範囲を正確に三次元計測できる口腔内三次元計測装置、口腔内三次元計測方法及び口腔内三次元計測結果の表示方法を提供することを目的とする。【解決手段】口腔内における所望の計測範囲における広範囲の形状を計測した広範囲三次元計測情報を取得する広範囲三次元計測情報取得工程(ステップs1)と、計測範囲において広範囲より狭い狭範囲の三次元形状を計測した複数の狭範囲三次元計測情報を取得する狭範囲三次元計測情報取得工程(ステップs2)と、広範囲三次元計測情報及び狭範囲三次元計測情報における共通する計測範囲内位置情報を合成基準として広範囲三次元計測情報に基づいて狭範囲三次元計測情報を配置して、計測範囲の合成三次元情報を作成する合成三次元情報作成工程(ステップs3)とを行った。【選択図】図3
