PROBLEM TO BE SOLVED: To provide a zirconia cutting object for dental cutting that is excellent in cutting of a thin workpiece such as inlay, onlay, veneer, and does not require special sintering such as HIP treatment, and allows for giving of high strength and translucency to a fully sintered zirconia body, and a production method thereof.SOLUTION: The present invention provides a zirconia cutting object for dental cutting with its porosity set to 15-30%.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】インレー、オンレー、ベニア等の薄肉加工物における切削加工性に優れ、かつＨＩＰ処理等の特殊な焼結を必要とせず、高い強度と透光性をジルコニア完全焼結体に付与させることができる歯科切削加工用ジルコニア被切削体および製造方法を提供する。【解決手段】歯科切削加工用ジルコニア被切削体であって、歯科切削加工用ジルコニア被切削体の空孔率を、１５～３０％とする。【選択図】なし
