For example, a graphite/epoxy (graphite fibers suspended in an epoxy matrix) lamina may be on the order of 0.127 mm thick. For the purpose of analysis, a lamina is typically modeled as having one layer of fibers through the thickness.
Minnesota allows dental therapists with direct supervision; and advanced dental therapists (ADT) with general supervision. ADTs may be dually licensed as an ADT and registered dental hygienist (RDH). Maine allows dental hygiene therapists (DHT) with direct supervision.
An unlicensed person in Wisconsin may perform basic supportive dental procedures specified by the state dental practice act under the supervision of a licensed dentist.here are no radiography requirements for dental assistants in the state of Wisconsin. All dental assistants may legally operate dental x-ray equipment and perform dental radiographic procedures.