A non-contact type dental shade matching device is provided, comprising a camera body for capturing image of one or more target teeth an opaque intra-oral compartment snugly adapted for a human mouth an opaque cover shield body connected between the camera body and the intra-oral compartment one or more holders for holding one or more shade tabs and a color matching module being operably connected to the camera body to receive the captured images containing color and translucency information of the target tooth and/or shade tab information, and then to process the images based on a content-based algorithm for automatic shade matching between the target tooth and the shade tabs for each of the captured images, so as to achieve an optimal dental prosthesis.本發明係關於一非接觸式之牙齒比色儀,其包括一可針對一個或多個目標牙齒攝像之攝像機、一緊貼口腔之不透明口內隔艙、一連接攝像機及口內隔艙之不透明遮罩、一個或多個可供固定一個或多個比色片之支托座、以及一可連結至攝像機以獲取包含目標牙齒及比色片顏色及透明度資訊之比色模組,該模組並可依據內容特徵演算法處理影像,針對各個擷取得之目標牙齒與比色片影像進行比色,以期獲得最佳義齒。1‧‧‧攝像機2‧‧‧色光模組3‧‧‧遮罩4‧‧‧軟組織阻隔件5‧‧‧切緣/咬合緣擋板6‧‧‧比色片7‧‧‧目標牙齒8‧‧‧透明度照明模組9‧‧‧支托座