A review of the global literature on dental therapists: In the context of the movement to add dental therapists to the oral health workforce in the United States

D Nash, J Friedman, K Mathu-Muju, P Robinson, JG Satur, S Moffat, R Kardos, E Lo, A Wong, N Jaafar, J van den Heuvel, P Phanumvanit, E Chu, R Naidu, L Naidoo, I McKenzie, E Fernando