A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
25/99
A61C 13/00 (2006.01) A61C 13/20 (2006.01) B28B 1/00 (2006.01)
Patent
CA 1288583
ABSTRACT A homogeneous porcelain block is used instead of using porcelain powder in a porcelain press technique to make dental prosthesis. Porcelain block is placed directly onto a mold, and softened by heating. Then the upper and the lower flasks of the mold assembly are closed so as to press the porcelain. The process prevents adverse effects from steam and gases during the procedure Therefore the porcelain block eliminates discoloration, bubbles, uneven baking, and weakness in the porcelain. In addition, considerable time and labor may be saved.
527174
Nakaji Kisao
Nakaji Naotaka
Lam Pin Khien
Nakaji Naotaka
LandOfFree
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