Dental porcelain

2:

• The dental porcelain according to claim 1, wherein the dental porcelain has a content of the ZrO2 of 5.0 to 16.0% by mass based on 100% by mass of the dental porcelain.

4:

• The dental porcelain according to claim 1, wherein the dental porcelain comprises at least CaO and BaO as the oxide of an alkaline earth metal, and has
• a content of the CaO of 0.2 to 2.0% by mass based on 100% by mass of the dental porcelain, and
• a content of the BaO of 1.0 to 8.0% by mass based on 100% by mass of the dental porcelain.

5:

• The dental porcelain according to claim 1, wherein the dental porcelain has a total content of the SiO2, the CeO2, the ZrO2, and the oxide of an alkaline earth metal of 70.0 to 95.0% by mass based on 100% by mass of the dental porcelain.

6:

• The dental porcelain according to claim 1, wherein the CeO2 is CeO2 that is derived from an opaquer.

7:

• The dental porcelain according to claim 1, wherein a fired material obtained by firing the dental porcelain at a maximum firing temperature of 930° C. has a thermal expansion coefficient at 30 to 450° C. of 7.8×10−6/° C. or more and less than 10.0×10−6/° C. measured according to ISO 6872 (2015) at a temperature rise rate of 10° C./min.

8:

• The dental porcelain according to claim 1, wherein a measurement specimen having a thickness of 0.30 mm of a fired material obtained by firing the dental porcelain at a maximum firing temperature of 930° C. has a transmittance of light having a wavelength of 555 nm of 10.0% or less in a thickness direction.

9:

• The dental porcelain according to claim 1, wherein a test piece having a thickness of 1.20 mm of a fired material obtained by firing the dental porcelain at a maximum firing temperature of 930° C. has a brightness L* of 90.0 or more obtained through colorimetry in the L*a*b* color space.

10:

• A method for producing a dental prosthesis, comprising coating the dental porcelain according to claim 1 on a zirconia base material, and firing the dental porcelain at 880 to 980° C.