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.
Function. The D.D.S. or D.M.D. after a dentist's name is meant to signify that the dentist is a licensed practitioner of dentistry. The abbreviations also let patients know that the dentist has the required amount of education needed to be a dentist.arning. Some dental practitioners do not need to be dentists to work on teeth. They include dental assistants (CDA for Certified Dental Assistant) and hygienists (Licensed Dental Hygienist). Make sure your dentist has D.D.S or D.M.D after their names if you only want licensed dentists doing the work on your teeth.