| Term | zirconia disc |
| Pronunciation | zur-KOE-nee-uh ... |
| See also | milling disc, wax milling disc, pre-sintered zirconia |
| Definition | A cylindrical block of zirconium oxide for use in a milling machine. Zirconia discs come in a variety of color, translucency and sintering hardness for different applications. |
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