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.
Once you graduate from an orthodontics program, you can apply for licensure from your state board of dentistry. Most states license orthodontists as dental specialists. To complete this process, you may need to submit dental school transcripts and passing scores on both parts of the National Board Dental Examination.