Correct answer
B. Permit expansion of the world
Explanation
The correct answer is Permit expansion of the world.
When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with________?
Finer particle size of silica________?
Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of________?
When Gold fused with porcelain is fired at very high temperature greenish discoloration of cervical margin is due to________?
Compared with noble metals, base metals show________?
Which of the following statement is true regarding lathe cut low Copper silver alloy?