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.
Entry requirements. To qualify as a dental therapist, you will need to take a General Dental Council (GDC) approved course, such as: 1  a diploma in dental therapy (often combined with a diploma in dental hygiene) or. 2  a degree in oral health sciences, or dental therapy and dental hygiene.ntry requirements. To qualify as a dental therapist, you will need to take a General Dental Council (GDC) approved course, such as: 1  a diploma in dental therapy (often combined with a diploma in dental hygiene) or. 2  a degree in oral health sciences, or dental therapy and dental hygiene.