single crystal sapphire

sin·gle crys·tal sap·phire

(sing'gĕl kris'tăl saf'īr)
Material composed of a crystalline aluminum oxide identical in structure to that of a sapphire gemstone; used as dental implant.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Made of sintered zirconia, with a single crystal sapphire cover, VULT has invested over three years of research and development into anti-fraud technologies, ensuring the diamonds cannot be tampered with or replaced.