Zirconia
Pronunciation: zur-KOH-nee-uh
A high-strength ceramic material (zirconium dioxide) widely used in dental prosthetics for crowns, bridges, and implant-supported restorations due to its superior mechanical properties and aesthetic potential.
Full Definition
Zirconia (zirconium dioxide, ZrO₂) is a polycrystalline ceramic that, when stabilised with yttria, exhibits exceptional flexural strength and fracture toughness, making it suitable for posterior fixed dental prostheses. In dental materials literature, editors will encounter several sub-types—monolithic zirconia, high-translucency zirconia, and ultra-low translucency zirconia—which have distinct properties and indications. The correct spelling is 'zirconia', not 'zirconium' (which refers to the metallic element). It appears in ISO standards, manufacturer datasheets, laboratory prescriptions, and clinical research articles.
Usage
Usage note: Do not interchange 'zirconia' (the ceramic material) with 'zirconium' (the metallic element). Sub-types (monolithic, high-translucency) should be spelled out fully at first use.
In Context
- "The laboratory prescription specified a monolithic zirconia crown for the mandibular first molar." — Laboratory work order / prescription
- "High-translucency zirconia has expanded the aesthetic applications of all-ceramic restorations." — Review article