Which of the following ceramic dental materials has a zirconium oxide or aluminum oxide matrix with fillers composed of modified atoms?
1)Most glass ceramic
2)Particle-filled glass ceramic
3)Polycrystalline ceramic

Question

Quizplus · Accepted Answer

The polycrystalline material has a zirconium oxide or aluminum oxide matrix with fillers composed of modified atoms.Usually,the more esthetic the ceramic,the more glass is in it.Filler particles are added to color the glass and modify its opacity.The ceramics with higher strength are usually the polycrystalline type.The stronger ceramics often are used as a core over which esthetic porcelains are placed to achieve the desired color and translucency.

Which of the Following Ceramic Dental Materials Has a Zirconium