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TRANSLUCENT ZIRCONIA SINTERED BODY AND ZIRCONIA POWDER AND USE THEREFOR
우수한 투광성 및 굽힘 강도를 겸비한 지르코니아 소결체, 특히 앞니용 의치로서 적합한 투광성 및 강도를 겸비한 지르코니아 소결체 및 그의 제조 방법을 제공한다. 4.0㏖% 초과 6.5㏖% 이하의 이트리아와, 0.1중량% 미만의 알루미나를 함유하고, 상대밀도가 99.82% 이상이며, 두께 1.0㎜에 있어서의 600㎚ 파장의 광에 대한 전광선투과율이 37% 이상 40% 미만이고, 굽힘 강도가 500㎫ 이상인 투광성 지르코니아 소결체, 및 그 제조 방법이 제공된다.
To provide a zirconia sintered body having both excellent translucency and bending strength, specifically a zirconia sintered body having both translucency and strength suitable as a denture for front tooth, and a process for its production. A translucent zirconia sintered body containing more than 4.0 mol% and at most 6.5 mol% of yttria and less than 0.1 wt% of alumina, and having a relative density of at least 99.82%, a total light transmittance of at least 37% and less than 40% to light with a wavelength of 600 nm at a thickness of 1.0 mm, and a bending strength of at least 500 MPa, and a process for its production.
TRANSLUCENT ZIRCONIA SINTERED BODY AND ZIRCONIA POWDER AND USE THEREFOR
우수한 투광성 및 굽힘 강도를 겸비한 지르코니아 소결체, 특히 앞니용 의치로서 적합한 투광성 및 강도를 겸비한 지르코니아 소결체 및 그의 제조 방법을 제공한다. 4.0㏖% 초과 6.5㏖% 이하의 이트리아와, 0.1중량% 미만의 알루미나를 함유하고, 상대밀도가 99.82% 이상이며, 두께 1.0㎜에 있어서의 600㎚ 파장의 광에 대한 전광선투과율이 37% 이상 40% 미만이고, 굽힘 강도가 500㎫ 이상인 투광성 지르코니아 소결체, 및 그 제조 방법이 제공된다.
To provide a zirconia sintered body having both excellent translucency and bending strength, specifically a zirconia sintered body having both translucency and strength suitable as a denture for front tooth, and a process for its production. A translucent zirconia sintered body containing more than 4.0 mol% and at most 6.5 mol% of yttria and less than 0.1 wt% of alumina, and having a relative density of at least 99.82%, a total light transmittance of at least 37% and less than 40% to light with a wavelength of 600 nm at a thickness of 1.0 mm, and a bending strength of at least 500 MPa, and a process for its production.
TRANSLUCENT ZIRCONIA SINTERED BODY AND ZIRCONIA POWDER AND USE THEREFOR
투광성 지르코니아 소결체 및 지르코니아 분말, 그리고 그의 용도
FUJISAKI HIROYUKI (author) / KAWAMURA KIYOTAKA (author)
2023-09-06
Patent
Electronic Resource
Korean
IPC:
C04B
Kalk
,
LIME
/
A61C
Zahnheilkunde
,
DENTISTRY
/
A61K
Zubereitungen für medizinische, zahnärztliche oder kosmetische Zwecke
,
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
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