Sintered body and method for manufacturing same, and orthodontic bracket

Provided is a sintered body having excellent mechanical strength and translucency, a method for manufacturing same, and an orthodontic bracket. This sintered body is characterized by comprising, as a matrix, zirconia that includes crystal particles having a cubic domain and a tetragonal domain and t...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOYAMA, TOMOTAKA, KURAMOTO, YASUNORI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DENTISTRY HUMAN NECESSITIES HYGIENE LIME, MAGNESIA MEDICAL OR VETERINARY SCIENCE METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	Provided is a sintered body having excellent mechanical strength and translucency, a method for manufacturing same, and an orthodontic bracket. This sintered body is characterized by comprising, as a matrix, zirconia that includes crystal particles having a cubic domain and a tetragonal domain and that is a solid solution of a stabilizing element and lanthanum, wherein the content of the stabilizing element is 1-6 mol%, the average torque strength is 1.00 kgf·cm or more, and the linear transmittance to visible light having a wavelength of 600 nm is 35% or more at a sample thickness of 1 mm.