Ace the NDEB 2026 – Get Set to Shine on Canada’s Dental Exam!

Question: 1 / 400

Leucite is added to porcelain in metal crowns to?

Decrease opacity

Increase translucency

Increase strength

Leucite is a type of crystal that is added to porcelain to increase its strength. It acts as a reinforcing agent, making the porcelain more resistant to fracture and wear. Option A is incorrect because leucite does not decrease the opacity of porcelain; in fact, it can make it more translucent and thus more aesthetically pleasing. Option B is also incorrect because leucite does not improve translucency, but rather increases strength. Similarly, option D is incorrect because although leucite may improve the overall aesthetic appearance of the porcelain, its main purpose is to increase strength in metal crowns.

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Improve aesthetics

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