PROBLEM TO BE SOLVED: To provide a denture and its attachment which give a denture wearer an excellent wearing feeling and a comfortable bite during eating. SOLUTION: A metal crown 610, 710 covering each abutment tooth, and a ridge protruding portion 630, 740 made of a magnetic material and extending on a peripheral surface of the metal crown are provided, and a ridge sliding engaging portion 530, 540 and magnets 550 and 560, and the ridge protrusion engages with the ridge slide engagement portion to attach the artificial tooth for intermediate missing tooth to the abutment teeth 91, 92, and the ridge protrusion The denture for intermediate missing teeth can be slid within the ridge sliding engagement portion of the denture for intermediate missing teeth, and the denture for intermediate missing teeth is pressed against the gingiva 800 to be added to the denture for intermediate missing teeth and the abutment teeth at both ends of the artificial teeth In the state where the denture base 520 is submerged with respect to the gingiva due to the occlusal force, the respective ridge protrusions do not contact the end of the ridge sliding engagement portion on the denture body side and are separated from each other by a certain space. doing. [Selection diagram] Fig. 10
