North Carolina Administrative Code Title 17 — Revenue
17 NCAC 07B .2701 — Sales To Dentists And Orthodontists
(a) Dentists and orthodontists are the consumers of items, as the term item is defined in G.S. 105-164.3, that they use in rendering professional services. Retail sales to dentists and orthodontists of dental supplies, equipment, furnishings, and other tangible personal property that does not become part of a dental prostheses, are subject to sales and use tax, pursuant to G.S. 105-164.4. Retail sales to dentists and orthodontists of durable medical equipment for use in rendering professional services are subject to sales and use tax, pursuant to G.S. 105-164.4, when the durable medical equipment is not sold pursuant to a prescription. (b) Pursuant to G.S. 105-164.13(12), sales to dentists and orthodontists of prosthetic devices for human use are exempt from sales and use tax. The term prosthetic device includes the following items when purchased to become a component part of a prosthetic device worn on or in the body: headgear, bows, neck straps, wires, bands, brackets, rubber bands, jackscrews, bonding agents used to attach the prosthetic device to teeth, and other similar tangible person property. A prosthetic device also includes a dental prosthesis. A dental prosthesis includes an artificial replacement of one or more teeth and bridges, crowns, and dentures. (c) Pursuant to G.S. 105-164.13(13), sales to dentists and orthodontists of drugs required by federal law to be dispensed only on prescription are exempt from sales and use tax.
Source: official text