A computer interactive software program provides for treatment planning, diagnosis and {HEAD ~ appliance} from {TAIL ~ the virtual tooth models} 
A computer interactive software program provides for treatment planning , diagnosis and { HEAD ~ appliance } from { TAIL ~ the virtual tooth models }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL