Sintx Technologies, Inc., an advanced materials company, engages in the research, development, and commercialization of medical devices manufactured with silicon nitride for biomedical, industrial, and antipathogenic applications primarily in the United States. The company provides solid and porous silicon nitride; silicon nitrite powder; and silicon nitride coating products, as well as silicon nitride composite materials and polyetherketoneketone. The company was formerly known as Amedica Corporation.