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.
Related. 1  Most comprehensive review of dental therapists worldwide shows they provide effective dental care to millions of children. 2  AACD 2015 in Review: Educated, Inspired, Connected. 3  Profitable Practice Review. 4  Runnymede Healthcare Centre Promotes Nurse Participation in Oral Hygiene.