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.
Licensure is required in each state in which a physical therapist practices and must be renewed on a regular basis, with a majority of states requiring continuing education as a requirement for renewal.hysical therapist assistants (PTAs) are licensed or certified in 50 states and DC (Hawaii enacted licensure for PTAs in 2013 and should begin licensing PTAs in 2014.).