Laboratory Carbides

About laboratory carbides

ISO 7787-2 covers the 11 most commonly used carbide cutters, which are predominantly used in the dental laboratory. In a published denture study acrylic was finished with tungsten carbide burs at 10,000 rpm before it was sanded and polished.

Used at the bench on the metals, plastics and porcelains of dental devices, not in the mouth.

Sources: ISO 7787-2:2020, Laboratory cutters, Part 2: Carbide laboratory cutters · Rao et al. 2015, Surface roughness of three heat-cured acrylic denture base resins with different conventional lathe polishing techniques (J Indian Prosthodont Soc) · FDA 21 CFR 872.3240, Dental bur