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Influence of properties on bending strength of OPTEC porcelain, an experiment on four-point bending test was studied using four kinds of specimens (5 X 3 X 20) made of OPTEC porcelain (INCISAL) each of which was surface-treated; (1) glaze firing (no treatment) (2) polishing by emery paper #150 (3) polishing by alumina powder (0.3 microns) (4) glaze firing after polishing by emery paper #150 The test specimens were immersed in distilled water maintained at 37 +/- 1 degrees C broken into four-point bending at 1.0 mm/min, and their bending jig had on inner and outer span of 5 mm and 15 mm. The specimens graze fired after polishing had the highest bending strength, of 914 kg/km2, those polished with alumina powder, 831 kg/cm2, those graze 763 kg/cm2, and those polished with emery paper 705 kg/cm2. In conclusion, the bending strength of the porcelain was decreased by the surface roughness.
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
November 2000,
Dental materials : official publication of the Academy of Dental Materials,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
April 2011,
The Journal of prosthetic dentistry,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
January 1993,
The International journal of prosthodontics,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
February 2022,
Shanghai kou qiang yi xue = Shanghai journal of stomatology,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
October 2015,
The journal of advanced prosthodontics,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
April 2003,
Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
December 2014,
The Journal of prosthetic dentistry,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
January 1990,
Die Quintessenz,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
October 2010,
Nan fang yi ke da xue xue bao = Journal of Southern Medical University,
Y Sano, and
M Fujisawa, and
K Shinohara, and
T Uetani, and
H Tadano, and
H Horiguchi, and
M Adachi, and
N Wakamatu, and
T Goto, and
I Sekine
February 2013,
Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology,
