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.
It is important to note that the benefits covered also vary in total amount, duration, and scope of coverage. : Six states do not cover any dental services for adults.: Sixteen states offer only emergency services (for example, only paying for extractions of diseased teeth) for all adult enrollees.